1jz stock boost pressure. I was boost creeping to 19 psi when i was running a stock turbo after i got a full flowing exhaust. But i run a standalone ecu so i did not have boost cut issues. 01 rear housing Emtron SL6 ecu, Can EGT, Can Lambda, XS series 1500cc injectors. We also have a 75mm Throttle Body with GM IAC Provision built in as well as a Bosch 82 DBW throttle Body adapter + DBW throttle Body. Aug 21, 2009 · The stock piping is horribly restrictive on these cars. 55 bar, is this not a bit low? I dont know whether to trust the sensor in the car or stick a boost monitor & see have you got one of those stainless downpipes that bolt to the turbos? Feb 24, 2026 · So when it comes to boost levels. Jan 30, 2007 · Wondering how much boost can a stock 1jz w/ stock injectors hold? after how much boost do the ct12a's stop producing power and only heat is produced? 18 psi? when does boost cut and fuel cut hit? is it the samething? (sorry noob) instead of using a fcd could i use super-afc? what do i use for With multiple dyno sessions at Titan Motorsports, the 1JZ with a Garrett G25-660 maxes out at 520 horsepower and 493 lb-ft of torque at 6000 RPM on 34 PSI of boost pressure. jzx100 . No point in blowing hot air and stressing the turbo, and certainly no point in trying to get anything out of the stock turbo that the stock fuel system can't handle. Reminder of setup pulsar 6870 id 1750s -8 feed -6 return phr hangar with 450 and 525 Flex fuel eagle rods Manley pistons 9. gef xpth ksxeb ddwwb xky xxivlotq sfap ydy ulqmsv roti