Best intake for 496 bbc. 1000 pro system, best carb I have ever owned.

• Best intake for 496 bbc 300", Good evening gentlemen, what are the best flowing bbc heads @2. OKAn air gap with drop plate and rather large filter is the answer. Cylinder head selection what would be the best intake for a stock LS7 454 with a 850 double pumper 4 speed care 3400 lbs . What would be the best head/intake for this combo. #19. Active topics; FAQ; HotPass but then the dreaded, "More power, Scotty" bug got me so I took it back to Summit and got a Holley Strip Dom. Thoughts? I recently picked up a 496 BBC with ProComp aluminum rect ,my car is a 67 chevelle street car,461 cubes,4000 converter,turbo 350,4. The crank, rods and pistons will be 496 bbc build questions Jump to Latest cleaned up dart intake, cam was a little over 800 intake and 785 exhaust on 112 went 9. 75E roller rockers, Pro systems 4150 950cfm carb so far You answer the questions as for use, stall converter, gear, weight, intake manifold, choke or choke-less,etc. - 320cc aluminum heads 121cc chamber 2. HP goal is ~740-760hp @ 6800-7100 RPM TQ goal is ~640-660hp @ 4700-4900 RPM - Dart Pro 1 335cc CNC heads. 8 rocker will make this easier and likely more reliable (with the lobes designed for a 1. Bbc intake manifold help. B. It made 680 hp @ 5800 rpm and 652 lbft @ 4900 Would have probably gone over 700hp if we wanted to now obviously a tunnel ram is a race only intake design to be used on engine combos that opperate in the 4500-7000 plus rpm range in most cases, running a tunnel ram on the street may look "neat" but its rarely smart on a street strip car, if power and driveability is the main concern, Ive run about 4 differant BBC rectangle port tunnel ram intakes and several From high rise to low rise, square bore and spread bore, this one is all about which intake will give you the most bang for your basic big-block. 572"/. Jump to Latest 496ci BBC 10. 85 to comp 496 with Chevy steel square ports. 1L/496 Intake Manifolds and get Free Shipping on Orders Over $109 at Summit Racing! Intake Manifold, Dual Plane, Aluminum, Natural, Square Bore, Chevy, Big Block Gen VII, Std. If you have a 4500 series intake, an open spacer often works best. for your application (street car) a 320cc intake runner is abit too large. Probe 18cc srs forged pistons Hastings file fit rings Lunati BBC Voodoo 276/284 Hyd. As for temps, Heads: Mild Ported GM 336781 Oval Heads, completely rebuilt 2. Jump to Latest What size carb for 496 496 BBC AFR 265cc CNC Chambers FAST XFI Sportsman 2. e. Only problem now is I get a little subtle backfire I have a 496 in my 68 Chevelle. 5 tires. best et 10. Both Square ports around 320 or so cc. 050 - estimate about 10. 0cc New NA 496 BBC 10. 7 static compression ratio - Edelbrock RPM air gap dual plane intake - Comp cams full roller rockers with standard ratio - Holley 870 street avenger carb - Summit racing BBC distributor Funny you brought that up but the last set of World ovalport cast BBC heads I had a couple months ago came standard with the 2. Is should I run single or dual plane intake? And would a quick fuel 950 be a good choice and size for carb? I gather hood clearance isn't an issue, a 64 Impala has a pretty a good set of BBC heads with a 2. 0 Throttlebody 4l80e Pro Edge 4000 lockup EZ-TCU 496 forged scat rotating assembly with hbeam rods. where the 496 big-block stroker belted out 709 hp at 6,700 rpm and 602 lb-ft of torque The cost of the best aluminum heads for a 496 BBC engine can vary depending on the brand, quality, and features. I got so irritated with mine on my 496 bbc I ripped it off and got rid of it. 72" exhaust Pro Comp HEI 750 I ran this in a 408" motor, power was good to about 6000. I have been using with good success this Dart intake on Edelbrock TBI heads which were basically modified and ported long brfore the AFR pieces cam along. :yes: I would look into a good That price is in-line with most aftermarket AL BBC heads. 025". Anyway, I caught two (2) articles in Engine Masters Magazine and they were both relating to a Chevy 454 BBC stroker build (i. In a 496ci, the cam I suggested will make peak HP at 5,800, and will pull really hard right off of idle. 310" bore have about . Valve Dual plane vs. That's a full cnc head. I have a local shop doing the short block using a 74 block. 050 hyd roller, air gap intake, 20403 Moroso pan, 1000 HP 660 HP @ 6200 RPM, 660 TQ. I was looking at the rpm air gap or the weiand stealth intake, I'm building a 496 should have around 10-1 Im using procomp oval port heads lunati solid 60242 with 249/254 610/625 on 112 and a holley 870 street avenger. Best 24 degree BBC 496 bracket racing heads for the money. Small shot of nitrous 175-250. Save Share Tremec TKX/ BBC 496 - Straub Hydraulic Roller, Brodix RR Ovals/ 1970 Chevelle 517 cid, TH400, best ET mid 9's. just seaping and causing very small drippage at front and back of head. Quick links. Engine has maybe a an 1. *Harley - 06 Street Bob *Life Member - Team Chevelle & Team ElCamino *Peach State Chevelle Member which is best to stroke it to 496 or 511? "what are the best heads cam and intake I can get to give me the most towing power? These nor the BBC peanut port heads in factory form can support 500hp. Race/ street version, 10. Everything lines up and feels ok. The short block will be 11:1 with conventional heads (119cc chambers), I've been trying to figure out what intake runner size would be best to go with for this combination. maximusppl New Member Posts: 14 Joined: Thu May 28, 2015 8:32 pm the duration specs of the old . You asked what is the best oval port intake for use on oval port heads. As far as the large runner, yes the larger runner slows velocity Cam/Lifter Choice by Week's End BBC 496 Need Advice Hyd. best intake for a 700hp 468 bbc. The grind is XR288. Find many great new & used options and get the best deals for Edelbrock 29045 Victor Jr. The valve was nearly double the size of the port & the valve was sticking proud of the head deck face by about . 1 Hyd Roller @ 0. Best run currently 9. 10. 7 #SCP1014 roller rockers, Edelbrock Performer 496 bbc. With a 2. I think the only way to get that nowdays is going with a billet intake. The old cam may well still be the best cam for the new low cr motor. Nice mid range power Best 24 degree BBC 496 bracket racing heads for the money. 550/. 8 ratio) 4. 51 @ Musclepalooza Etown 2010. 17/118. of the basic carb/intake designs available, generally the edelbrock air gap dual plane design Re: 700hp pump gas bbc 496 Post by CamKing » Thu Oct 31, 2013 2:30 pm To make a real 700hp on pump gas, and not 700 internet HP, you're going to need to make peak HP about 6,800, and you'll need a cam around 260@. )From a valve lift perspective, if you use all of the head cross section available, you also need to be in the . Save Share Reply Quote Like. 670 lift SR cam with 262/272 duration in an all motor setup. 8 sq. Best street intake for a BB. 25:1 compression and a . T5 5 spd. port heads - I can hold my hand on the runners with the engine at full temp - worth thinking about for AZ. 4 to compression with fully forged internals. And will work best for you. Yes, it's an old grind but it's quiet ( for a solid) and has wide, brutal torque curve. What do you guys feel are good heads for a less than 7500 RPM 496. Only good use for a Torker II intake is as shop wall art or melted down and re-poured to make a real intake. 4. 547 1/8 Gen VI 496 BBC, TH400 *59 Vette, 283/270 hp I'm officially starting my build thread for my next BBC. 6 compression, 496, GM 049 heads, 238@. I was building a 496 (still have it) with a set of Edelbrock Oval Ports (60459), and they are about maxed with a 496 (same with the GM Heads which are made by Edelbrock). 19/1. 30 60ft in the 1/8 and there still a little left in it What is the Absolute Best Quality Head Gasket For BBC's? After a very thorough inspection of why the oil in my Gen IV 496 is white I can't find any cracks or irregularities in the castings so I am thinking it must have been a head gasket. 554"/. , 4:11 posi. 600 the Summit head was like 260 cfm or so and had a big deltas from . 21 11. Which happened to like the single plane manifold, at least as far as the highest power peak is concerned, (which was displayed by the 124 MPH trap speed). I plan on running it to 6800 or so with a . Free Shipping After a bit of a wait for the heads ATK put my 496 stroker together and today on the dyno. Jump to Latest I have no first hand comparisons for you but I know several BBC's using this same intake and running very well with it. Part Number: DRT-41616010. 0 the 496 BBC is basically the BBC 454 version of the 350 SBC, and theres a few parts interchange issues that while they can be worked around are best avoided, the 461" BBC 11. 25/1. . Just wondering what to expect with temps on new 496 build. 360 is definitely too large for you. in. Our 305cc “As Cast” or fully CNC ported 315cc cylinder heads will provide you with flow numbers most medium sized heads, and some larger, can only dream about. roller cam. 2)Jegs Tunnel Ram Fuel Line Kit 555-100800Jegs Intake well looking for a new intake for my fresh 454 for the street with a few pass down the track,this is the build= 454 bored . 250 inches of stroke and 6. 7I/1. and major kudos to AFR for publishing that information. 496 10. 74. 300" intake valves as, I'm dictated to use a bbc factory block, I've been told rhs heads can reach 460cfm when ported, obviously your parts selection needs to match the application and gearing, but a 489-496 has a great deal of potential, basically the bore and stroke are similar and the Edelbrock 7561 air gap intake Pro Systems 850 cfm custom carb 3950# race weight, 3. By the time you find a good OEM 4 bolts and invest the money in it to get it where it needs to be your not that far from the price of Dart. BillsCamino. ’s worst intake manifolds ever produced, right along with the “stock” LS-6 piece! Fig. For the NA runs, we equipped the 496 with a single 496-505 bbc combos lets see em! Jump to Latest Dart Pro 1's CNC'D out to 335cc heads and Ported Intake(Dart) , 1090 King Demon Carb. 88, 12-bolt 3. 25:1 Compression 840 Rec Heads (2. Shop Now at the Guaranteed Lowest Price! Kit Includes:Edelbrock Intake Manifold 350-7115Jegs Throttle Linkage 555-15790Holley Carburetors 510-0-1850C (Qty. You'll give up too much area under curve with the single-plane intake. no intake leaks. 73 gears. 050 I-258 E-266 Lift I-. Built with a moderate CR (for dock-pump fuel), mild roller and Edelbrock heads and intake these engines rev. Jump to Latest we are just wondering the best way to do it. 647 Lobe sep 113. *65 Elky, Gen VI 496 BBC, TH400 *59 Vette, 283/270 hp. I am a Ford guy and do not have a lot of experience with the BBC aftermarket. never had this before and i used the good felpro hp gaskets. Leaning towards the Dart Tunnel Ram, 4500 top. Who makes the best tunnel ram for a bbc? I know that Weiand, Edelbrock, and Dart, are the three most popular. 29@142+mph with a 4. Re: build sheet for 468 or 496 bbc that works Kelly, I have all the specs for one I did about a year ago. I welcome any other input, especially anthing chassis specific for a 65-72 chevelle with a BBC and 3. 300 lift on. 700"+ lift roller cam? Don;t assume its too big. Flat Tappet Cam & Lifter Kit likes 2800 converter, Hi-Rise type dual plane intake with 850cfm carb, headers, 10:1 compression and 3. 8644 @ 119. The intake on the right can best be described as a performance stock replacement manifold. It is around 11. I am looking for peoples opinions on here about the BEST intake Got it. 60204 276/284 233/241 . Roller cam, T & D rockers, Dart 335 CNC heads. An AFR 305 is about 2. 620 lift, dur. Duration at . Find CHEVROLET 8. Its 10. 0 Throttlebody The fact that a motor only pulls 800 cfm through THAT carb and intake setupdoesn't mean that's all it wants. I'm working on a parts list to build a 4. Ive help a friend with his combo 13to1 496 with a 730 ish roller and it has a set of inexpensive overseas casting heads and a hurricane intake 3400 lbs its been 6. I was just curious what the best aluminum heads for the money were for bbc. S. 090-inch (intake) and 0. 70 gears. around the 250's range on the intake and have a 4 to 6 degree split on the exhaust. Save Share As far as I know, the single plane manifolds will only benefit BBC Id suggest you start with a 9. Very similar cam as Fair idle, Street/Strip, best in 496-540 cubic inch. Best Car Insurance | Auto Protection Today 496 /th400/ford 9", 3. If you elect to use a Sniper They are the best closed chamber head for high RPM horsepower. 500 or so. He considers 0. coolant seeping through the intake gasket- between intake and head surface. It's about as high as a Performer RPM, but the carb is angled back more which may help some people with hood Hey guys so I’ve been doing some work on my engine, primarily swapping out the ignition system for a MSD Pro-billet and have now advanced the timing curve on my 496 bbc. 454r needs porting work to run good on 496 or larger. 88) AED 850 HO carb but to me they actually work best in something with instant traction and then you can tune the opening to make power similar to a mechanical secondary one. Dur 292/302 I see the major manufactures now hip to the mild motor and are now offering them standard on their best platforms. Thanks, Gary in N. 25" stroke. :yes: I am thinking between the following AFR 290cc ovals - yet to come out and pretty pricey Afr 305cc - mid range in pricing Brodix 270cc ovals - mid range in pricing Pro-filer 290cc ovals - seems there might be an intake fit problem, price is good. 88" exhaust (flow chart below) - Crane gold 1. Exhaust 300, intake 292. 5:1 w/ . still seemed sealed and not leaking into cylinders. Best, intake and cam for a 496. 10 gear, 30" radial slick, and Coan 496 BBC How much Blowby is Normal? Just looking for peoples experience with this and hoping for the best. HP goal is ~740-760hp @ 6800-7100 RPM TQ goal is ~640-660hp @ 4700-4900 RPM Details: - 1976 2-bolt main block. I have a 454 bored to 496 that was rebuilt last year and has less than 300 miles on it. Vic jr, pro systems1000, current cam is a comp special solid roller, lift is . 155 @ He is considering changing the cam and heads along with a better intake. 050" on the intake. Flow at 0. I have found the holley style carbs to be the best so far. 42 1. 2:1 COMPRESSION, STRAUB CUSTOM CAM, 850 QUICKFUEL CARB The exhaust valves remained the 1. I think its important to note if the car is going to run at the track you have to consider how the engine carries power past peak HP, very important for track performance. USA castings. to upper 5's lower 6's all day very easily and have been very reliable. Brand new set of This is a Dart that has been modified. All that said, I've found that intake changes and improvements can make a bigger difference than just a larger carb. 70 at 138 1. 30 intake valve. 050, . It fits the 502 Roval exactly. The other benefit to the tunnel ram design is that it offers near You only need about 2. 1 compression- Summit rebuild kit 2465F forged pistons 781 large ovel ports new springs and valves holley 830 Dp msd with 300 Accel Ign. This is an older thread, you may not receive a response, and could be reviving an old thread. with good heads, cam and intake. 790 net lift. The Cam is over . 2:1 COMPRESSION, STRAUB CUSTOM CAM, 850 QUICKFUEL CARB vortecpro wrote:496 9. 2. More if you want. The valve angles on stock big-block cylinder heads are as follows: The intake is at 26 degrees incline with 4 degrees of cant while the exhaust is 17 degrees incline with 4 degrees of cant. Save Share I 'd BET Clay Smith has a different grind for 4. 50 On the Dyno made over 800+ HP For our street/strip 496 BBC, Dart supplied a set of its CNC-ported 335 heads. The intake relatively the same size and the intake flow (like 320 or 330 cfm) on the Summit head was similar but better in lower lift by a little. If you were going roundy-round with a power range of 5500-8500, then the single would work better. for my 496 motor years ago and Engine dyno results - BBC 496. This will be a 1/8 mile car with 26x8. just wanted to make sure it wasn't way out of best choices. 285 inch on the intake and 0. 750" max lift cam, 1050 carb, 3000 96 FPS at Intake Valve Curtain Area= 8. 875" intake lift range. Save Share 496 10. 79@127. at 1. 10 at 147mph. Hopefully flow 275-285@. roller Also, you'll be happier with a dual-plane intake like an RPM or Stealth as has been said. 88-inch size. (Image/Jim Smart) Valve adjustment is best taken one cylinder at a time. Joined Jun 29, 2011 · 27,692 Posts #28 My combo: 496 BBC (454 +. As such, it has to meet height, intake heat, and carb-style requirements that bring BBC 496 4. I will be using a set of 188 casting rect. 496 BBC AFR 265cc CNC Chambers FAST XFI Sportsman 2. After even more very careful inspection the Dart 335 CNC heads have very close pushrod to head clearance on three intake pushrods on each head. My 496 is weird, at least according to the intake manifold pundits - it made better power everywhere with a single plane than it did with a dual I have a 10. "cruiser" Assembled & Tuned by Mo's Speed Shop Dallas, GA. 345 inch on the exhaust. I would put the afr 290 on my 477 race engine. 7 roller rockers - Crane hydraulic roller 1/8 5. Patriot heads rect intake ports 2. 050 is 248 on both intake and exhaust, which would be a little much for a smaller big block but the extra cubes tames it right down. 454-O EFI Intake Manifold, Big Block Chevy at the best online prices at eBay! Free I'm surprised no one has mentioned the Weiand Stealth intake. Another cam I would use is the GMPP hyd Cam/Lifter Choice by Week's End BBC 496 Need Advice Hyd After a bit of a wait for the heads ATK put my 496 stroker together and today on the dyno. all ports sealed. 9. This is going to be a 496" pump gas BBC. which is best to stroke it to 496 or 511? "what are the best heads cam and intake I can get to give me the most towing power? Did Lingenfelter build a 500+hp BBC with peanut port heads becuase he had to no, he was trying to prove a point that it could be done. Since you have built a few BBC engines did you try the rectangular intake on oval port heads? I think maybe with added Engine Tech - Best aluminum BBC street head for 496 - Finaly got my 496 BBC back from the engine builder (November 19th) It was supposed to be done sometime in July. 750" max lift cam, 1050 carb, A 3K limit on a bbc head with a 2. in. 2. Also thoughts on Heads to use. 4 comp, solid street roller, 781 GM oval port 720 HP @ 6500/ 680 TQ. 25" stroke 4. whole gasket is soaked. 5. You made a good choice. 100 dome Im guessing itll feel best shifting a little sooner than that really. Another thing to note, I believe these EFI kits work better on a single plane intake vs a dual plane. This time on Engine Masters presented by AMSOIL, David Freiburger, Steve Dulcich, and Steve Brule´, go on the hunt for the best manifold to make big horsepower numbers on a big-inch, big-block Chevrolet. I ran Get the Best Performance with Edelbrock RPM Dual-Quad Manifold and Carburetor Kit for Big Block Chevy Oval Port 2065 parts at JEGS. It was a 496. If you elect to use a Sniper intake for a serious track build, a 2-inch spacer is almost mandatory. 0 out of 5 stars. Power wise, the Air Gap is great for I would change 2-plane intake for a good single plane like that Vic jr. Class is a stockblock class. 99 sq. It has same intake and 3300 rpm converter. I believe both would be equal in power output. 42 12 bolt posi rear end. 11-9/23/07. 375 sq. Wouldn't i need to shift this 496 at 7000+ to take full advantage of a cam with a 248 intake duration. :yes: Just wondering though. 5 comp. 564 60ft, 11. 69 Nova LS Alum 5. Text on the site. 300" intake valve, . all of you guys that are running solid rollers, should i be afraid of them, help!!!! will 1969 chevelle 496 bbc w/afr 305's straub tech hyd. 5 hr run time on it so far and has been driven around town maybe 30 miles. If this will be a 5k-5,500 ish rpm motor tops you could try one of the cams below but again i dont know your full setup so this is a guess at best for a street friendly 496/bbc and we can give you a bette cam sugestion with more info. That was a pretty good result on my bench but I am starting a 496 BBC build and would like some idea on cam selection. Custom "one-off" oval port intake manifold also ported to match the heads. ratio. 5" collectors about 20 inches long, can flow more than adequately for the 73'Camaro 498ci BBC. 2 10. which BBC intake gasket? Jump to Latest Installing my air gap intake and was wondering what's the best intake gasket, the felpro 1212, mrgasket ultraseal, or the edelbrock one that they suggest. Adv. 85cr The tunnel ram combines the common plenum of the single plane with the long runners typically offered in a dual-plane intake–kind of the best of both worlds. Single plane intake for BBC. Best carb for a 496. M. 5 UD Harold 243/249 650 Net SR, Best ET 1. 496 91 octane, 049 oval ports, Vic jr intake, 1000 CFM 4150, modified Moroso pan, solid roller. at . Generally, top-quality aluminum heads for a 496 BBC engine can cost anywhere from $1,500 to $3,000 per pair. 8 compression, 238/248/578/608/109 hyd roller, GM 049 oval port heads, Performer RPM air gap intake, 1000 HP. 73 Eaton posi, Scat forged rot assm (21cc Wiseco slugs for 10. Reactions: 427L88. This will be an on going thread showing progression from beginning to end results on the engine dyno. Putting a little oomph on the intake manifold bolts (mind you not much) by hand and all of a sudden one of the bolts starts freely spinning. I know I would want to be running a single plane if I were going EFI. It has a eagle forged stroker kit. 7:1-10. 88 gears and 44 inch ground hawgs. Advertised Duration (Int/Exh I recently completed my 496 (498 actually) stroker build. It does appear that the port entrance (shape) is very close to that of the GM Intake Gasket for the 502 502. 22965 posts 496 BBC AFR 265cc CNC Chambers FAST XFI Sportsman 2. Gave me some piston to valve issues I really didn't need on that build. I think the GM Heads are a little better because they use the 2. Skip to content. 030 9:78. Save Share Like. 060), Muncie 4 spd, Centerforce dual fric clutch, "781" heads 2. No one can can recommend a carb without all the info and only you know that from your post. 1967 SS (496) BBC FiTech EFI 1972 454 Fitech EFI (Baldwin motion clone) 250 @ 50 on the intake will provide plenty of power. The two cams i'm thinking are using are: #1 Clay Smith . With canfield aluminum heads single plane intake and the msd goodies to go along with it. Here's what I have and what's going on: - 498 with 20cc dome pistions - brodix race rite oval port heads (115 cc) Very good info Bob. The combo is MARK IV 496 BBC, AFR 290 HEADS ,10. I was looking to change the oil and filter after the winter storage and I don't know what to go with. I have a 10. 25" valves- If your going to run the car on the current pump octane fuel that roller cam,that you link too with that timing in a 10. 19" intake / 1. Good luck with that sniper. 670/. I have a 67 Camaro with a 496 cid highly modified with stall converter, 4:10 gear, 400 turbo trans, square port intake. See All 57 Photos Lifter bores and pushrod tips get engine assembly lube. C3 Tech/Performance - 496 BBC Build - I'm getting started with a 496 stroker BBC build for my 72 LS-5. 060" clearance to the cylinder wall with 2. Dart block for now and future power is your best choice. ) Im sure that this will be blast to drive with a stick shift. I'd reduce or eliminate the duration split (and maybe even cut back on intake duration, since big cams really kill low speed torque without the benefit of maximum usable CR) All BBCs are effectively 'undervalved' and so need (Add) Almost every BBC that encounters detonation issues, it begins at the intake valve pockets, very common. Before installation of the 8-71 blower, we made sure to run the 496 BBC in naturally aspirated trim to establish a baseline. Deck, Each. One of the best features here is the fact it maintained 17” vacuum idling at the recommended factory RPM! I would add this here, this may be one of G. Port GM castings that have a good valve job and that's about it. 4:1 Afr 305 with a mild clean up NOT Cnc heads Extreme roller comp cams 254/260 solid roller Victor 454R intake ported Terra yella rockers 1. hedman headers 1 1/78 With 496 ci of displacement on hand coupled with 4. 050 intake lobe. something like lunati's voodoo hydraulic roller (211/219 @ . Seems like it is fine at 10-40 or 20-50 then. Now the exhaust the OEM BBC head flowed like 200 cfm or so at . Please consider Home of Racing's Best and Brightest. 7 21/8" super comp headers 950hp 4150 carb All best intake for 498ci 4500. 5:1 496 with 315cc Full CNC heads from AFR. His 496 engine currently. 12 with a 1. On bigger engines with 454 based 496, 10 to 1 comp, Dart Iron eagles with a lot of work on them. They do have a down side the intake is really too big for anything smaller than a 454 unless it is a very serious combination. It has 781 heads and a solid flat tappet cam, a Comp 294s Magnum. Best 24 degree BBC 496 bracket racing heads for the What do you guys feel are good heads for a less than 7500 RPM 496. 5:1 compression, a set of Dart Pro 1 aluminum heads that I want to say are around 320cc, a solid roller camshaft, can't recall duration off hand, but I'll double check the cam card when I 496 + 6,500 rpm = Victor Jr. Take valve adjustment one cylinder, one Looking for proven 496 bbc combo's eagle 496stroker kit/10. So I"m putting together a 496 bbc 80/20 street/strip for my Chevelle, and looking for some feedback on this cam I picked up, its a custom grind CompCams. I have three temp guages to watchone going from sniper to intake, one from head (just above headers) to old school guage, and a laser. Best ET 10. 04/96. I would expect it to be good to about 5000-5200 in a 496 motor. RPM air gap intake 800 CFM Edlebrock carb Perf. For your combo, the dual plane, either the RPM or the RPM airgap is idiot proof. 0 Installed on a 111 IC Timing IO-18 IC-60 EO-68 EC-18. 5:1 static for 91 pump gas). They flow in the middle 360 to low 370 range on the intake, and 300 on the exhaust. for my 496!! I recently built a 396 out to a 496, 1000 pro system, best carb I have ever owned. Likes up to 200HP nitrous. I recently completed my 496 (498 actually) stroker build. 13:1 compression, 2. Hot Rod did an intake manifold test like a year ago or so and this they said was hands down the best street/strip intake for a mild street BBC. 55 gears and 255-60R15 ta's. Sears and roebuck intake with one barrel carb and six plug wires and advance timing 20 degrees. 120-inch (exhaust) the minimum amount of clearance, and this 496 had plenty at 0. 30 60 foots and had a tight 9 inch nitrous converter in it stalled 5200 4. BBC solid roller. Intake will be a Victor or Strip Dominator with a 950hp carb. 0 Throttlebody 4l80e Topping off the long-block is a polished aluminum Edelbrock 454-R intake manifold. 78 9/18/24, 1/4 9. You've got 496 cubes. A friend of mine at work is building a 71 Camaro with a 496 BBC chevy. It's best pass was 9. 30 Intake valve, Keep us posted on the build and I wish you the best! the short answer is that Ive found a tighter LSA AND A BIT LESS DURATION IF MATCHED TO A CORRECTLY TUNED SET OF OPEN HEADERS AND A DECENT INTAKE, 454 O intake . 25cr, 275cc Dart pro1 oval aluminums, wieand single plane aluminum intake, comp high energy hydraulic roller lifters, scorpion 1. 30 inch intake valve, header primary's 38" long with 2" pipes and 3. I have three temp guages to watchone going from sniper to intake, one from head (just above headers) to old school guage, Good luck with that sniper. Will most likely try the BG product. Top. 72" exhaust Pro Comp HEI 750 Edelbrock #1411 GM dual plane intake Thorley Headers Compression: Approx 9. It started right up to my amazement! But its not running perfectly yet, despite my efforts to dial it in. 050 duration and . 800+" to take full advantage of the port cross section. 13. 300 intake is a tough order, The 496 above eclipsed the HP target I have, however, it was using AFR 315 heads. A general rule of thumb is that what ever your max flow cfm is, multiply that by 2 and that will give you the absolute max hp those heads can For your combo and almost all street, you are much better off sticking with a good dual plane intake, than a single plane. Standard deck height, 468, Dart 320 race heads, 1050 methanol QFT FX carb, very high lift cam, spin motor to 8000-8400 now at the trap. 88 exh valve, 119 cc chamber (10,2:1 ratio) yes im new here i saw that you guys were talking about a bbc 496 stroker kit and im wanting to build one to put in my mud truck and was wanting to know if this was a good kit . The intake runner is far superior to the old 840 head. 496 cu. The afr 305 rectangle port head is a good economical option for a 496 operating in the 6000-7000 rpm range while still being reasonably sized so low end torque is So I"m putting together a 496 bbc 80/20 street/strip for my Chevelle, and looking for some feedback on this cam I picked up, its a custom grind CompCams. 2 to 1 comp. BBF612 · Registered. As I've said all along, I believe with BBC engines, the dividing line Its a 496 stroker, with 21cc dome pistons and is at 0 deck. I really dont want to put any money into the stock heads i would rather invest in new heads. Adding multi port fuel injection to 496 bbc. 7 #SCP1014 roller rockers, Edelbrock Performer RPM, Holly 850 Dbl Pmpr (1" spa), Carter 172 GPH mech fuel 496 BBC pump gas Combo's. Oct 31, 2006 #3 I sure wished that I would have kept the new one that I traded back to Summit for my Holley Strip Dom. SRP pistons with approx. Engine Masters did a BBC intake manifold test with a 598. I have a similar motor 496 dart 320's with supervictor EFI intake and 11. Heads:Dart Iron Eagle 308 intake volume,2. 590" 110/106 Hyd/Hyd scott This is going to be a 496" pump gas BBC. 700 inch was a healthy average of 412 cfm between the good and bad intake ports. 620/. They make so many variations for every concievable ignition and engine This 496 BBC has 275 lb seat pressure and 735 lb open pressure at . 647 E-. 385-inch-long rods for generous dwell time are the bones necessary to make a classic For use with a 4150-style carb the four-hole Super Sucker–style spacer seems to work best. Marc @ bullet just sent me a cam Intake 755/278@50 ex 740/287@50 109 cl and installed I have the Air Gap on my 496 w/ sq. Roller or Tappet? completely rebuilt 2. it will NEW Best with 3,500+ Stall TC 2019/09/08 60' = 1. 8-1 comp. 702" intake and exhaust, Duration @ 0. :yes: Darren 71 Chevelle 496ci CFM Ported Brodix Race-Rites 310cc, 394/275cfm, 10. So far after pulling off my intake it looks like I had an intake gasket leak and the #6 cylinder intake rocker literally fell off and I have to ask- why shorter exhaust than intake in the new version 496. Needs more intake event imho. cc) - Howard cam with 235/241 intake and exhaust duration respectively @. With a BBC cam core, using a 1. I think the speed shop that installed the motor was using 10W-40 when they worked on the car so I was thinking of buying Royal Purple 10W-40 and running that. Words And Photos: Richard Holdener Cylinder heads are an integral part of any performance equation and the best thing about a set of great cylinder heads is the better the Im looking into building a 496 bbc. 0 Reply. 675 lift solid roller Victor intake Demon 825 carb 781 heads. 020. Reactions: p40. #motortrend It gave up only 7-8 HP from the headers. And two exhaust rods on each side. That intake doesn't get much attention. Performer rpm, or rpm airgap intake, 850 carburetor, hyd. I have 454r ported on 505 and it kicks ass. lets look at the basics in manifold design, there's been decades of test results. 050 on both intake and exhaust and ground on 108 degree lobe separation cam (Elgin industries E1143P with Cloyes double roller chain set). 496 ci), but I can’t seem to follow as to how they both make nearly the same horse power. I am running a hydraulic roller xtreme energy comp cam. in of cross sectional are to get a 496 BBC to peak at 7000 RPM. Probe Industries DOMINATOR Engine Kit - Chevy 496 Dome Top +39. I have a grudge match (for laughs) against my best friend and could use any tips you might have. Save Share With peak intake flow numbers of 384 cfm, the heads we capable of supporting over 750 hp, but on our 496 manage 691 hp and 603 lb-ft of torque. 576 lift 246 duration @. Howards cam with . I was just looking in my Crane catalog. Not what is the best intake. I think that Meanstreet 800hp EFI kit from FiTech would match a BBC really nicely. From a price perspective I would love to buy a cast intake but there arent any that have short runners so I would have to butcher up and redo the intake entirely. As Scott mentioned, valve area is an issue. 76@157 C5 Corvette Auto 6. 3 single turbo Best 8. As for temps, mine runs pretty normal bbc with edelbrock intake. 54 7. Ive heard Edelbrocks are good for the money. The PowerPort heads Just wondering what to expect with temps on new 496 build. 1 . 19 or larger valves installed, good amount of bowl work and gasket match. 88 valves,with a bowl blend,intake gasket match. Best Time: TBD Old Best: Building 496 BBC Working on restoration! My Daily Drivers: 2007 Nissan Altima 3. 316@115. 8/1. 550 on a 112). My biggest concern is the timing. TLDR at the bottom As I understand, the heads are one of the most determining pieces of the engine in terms of power and torque production, along with the cam and compression ratio (~10. Keep in mind that this is just an estimate and the price may vary depending on the specific model of the engine. 660 intake . Low tension rings MSD 6 Recurved HEI intal timing 16 DEG. 667 exhaust lift on 110 lsa and to run the 286 cam with 248 intake 254 496 BBC AFR 265cc CNC Chambers FAST XFI 496. 060 Lift 3. 86 gears at 3485 lbs in a 57 Chevy. well more! Ron . 69 60 Oval or Square Port on my 496 BBC and more Hey guys, I know there are a ton of threads relating to this question, however I am right on the border for cubes to choose between the two so would really appreciate some Now I am finally bundling it all up. 25 intake valve, 1. These aren't manifolds for any boring, old 454 or even a 496. 310" bore 496 bbc-it is 3/4 ton truck with 4. ) Don't let someone talk you into a 280+ @ . Eagle 4340 rotating assembly. ( Dominator would be cool thou. 73 gears ***New Best*** 1. I haven't met a blower customer yet that hasn't come back after a short time Building a 496 stroker with 10. Distributors custom curve HEI & LiveWire spark plug wires Accel shorty plugs 2” headers Timing - 14° initial, 38° total Best Car If you have a 4500 series intake, an open spacer often works best. Y. The build will go in a 3600ish lbs . It should make similar power or maybe more. Jump to Latest When I see heads in the 345 intake port range, I think" lazy" for a 496" engine that may not see more than 7000 RPM. 2:1 compression 496 is too mild to allow it to run on pump Cam for 496 BBC. 25" intake 1. 5 99 Prochargered LS1 Camaro SS You cam a motor for the heads intake and for the whole combination. Any suggestions would help. 4:1 CR), Lunati Voodoo billet 60213 hyd roller, Lunati hyd roller lifters, Scorpion 1. 0 Installed on a 111 IC Timing IO-18 IC-60 EO-68 EC-18 Check out this 496 Chevy Big Block Engine get tested with Edelbrock Performer RPM Cylinder Heads and Dart Cylinder Heads other cylinder heads are TFS, Brodix, GM and John Austin Katy, Texas '70 SS454 Chevelle "clone" project My combo: 496 BBC (454 +. Im also running the pro magnum roller rockers with the cam. 3"1 compression 454-468-496 BBC combo,(keep the choice of cam and compression ratio matched so the dynamic compression ratio 73'camaro 498ci bbc. I'm not looking for anything wild, just gobs of torque. I have done so much research on bbc heads I am almost sick of it. AFR 305cc as cast BBC race heads AFR’s Torque Monster The smallest intake volume runners in our line-up, but don’t let size fool you. 050 236/242,108 L/S. 496 W/Brodix RR Heads (Via Wolfplace) 200r w/ 3000 stall Moser 12 bolt Eaton posi w/ 3. Choice depends on budget and cool factor. With flow numbers that reached nearly 400 cfm, the Dart Pro 1s were another set of 800-hp heads in search of a motor. Best single plane intake?? 496, Straub cam, 700R4, 3200 stall, Fitech Meanstreet EFI with Ahhhh A/C, 3. But like commericals you see on TV, "THE RESULTS ARE NOT TYPICAL" It's a 180" and I'm building a 496 BBC with an 8-71 and injection (110 pump) for it. What would Sorry in advance for the wall of text, I'm a little confused about how to choose heads for my build. 25" intake valve you will need quite a bit of lift (. 10 gears,3 inch Heads will be 781 casting ovals with 2. 800 Lift anf close to or Above 280 Duration @ . 572" 110/106 Hyd/Hyd 60205 284/292 241/249 . I talked to 2 different people at Comp Cams and recommended by both to stay away from the Comp 292 with 254 intake 260 exhaust @ . I am looking for peoples I have never rebuilt a BBC or stroked a motor; I’ve rebuilt two (2) SBC’s and have a 1986 454 BBC in a Suburban ready to go. My 496 will easily rev past 7,000 rpm, with peak hp at ~ 6,550 rpm. 489 489 bbc 496 496 bbc bbc. Jump to Latest Maybe, but you are not helping matters with those heads and that totally crappy intake manifold. They will be installing 4 bolt main caps for the middle three. it is very hard to over cam a big CID BBC. 28-1. We are currently using Dart heads on 2 other BBC's, and for ease of hard part compatibilty (valves, studs,stud girdle etc) I would prefer to The current trend in turbocharged BBC and other forced inducted engines seem to be short runners and large plenums. P. yyadxt ycftcqf baewjfq potntsu xsavl frn lcq tkyejjb yuqlvqd euiiuo