How much boost PSI are you running?

dmadma60

New Member
Apr 18, 2008
26
0
1
Central Texas
Datsrboi;1053459 said:
Just seeing what PSI you guys are running at :)

I am at stock 1JZ PSI (What ever that is.. I'm gaugeless)


Also do you guys feel a need to ever go pass 20psi?

10psi or so....11+ on colder days. Not sure why my 1JZ doesn't hit the 13-14psi others report with similar setups (intake, FMIC, 3" exhaust). My downpipe is stock but it can't be that huge of a restriction. I pressure checked my intercooler and pipes recently too....
 

nguyen95465

Supramania Contributor
Dec 24, 2006
48
0
0
38
Yeadon, PA
I run ~18 psi

650 cc injectors
TO4R Turbo

clutch slips though so i might take it down to 14 till i feel like putting in my new clutch and flywheel.
 

di_rosa

never ending project ...
Apr 2, 2005
215
0
0
toronto
21.5psi till i figure out what the hell is wrong with my wastegate/boost controller, then it'll be back to 1bar.

2j w/ gt40r
 

tlo86

Ninja Editor 'Since 05'
Jul 24, 2005
3,914
0
0
38
Colorado
annoyingrob;1053763 said:
Why go back? You're in the meat of the efficiency range there.


maybe a prob with overboosting, spring set for 1 bar or something hehe
 

Bigzavs

86.5 1JZ Single Turbo
Apr 21, 2005
2,267
0
0
39
Arlington, TX
SPD TRP;1054112 said:
When does that gt40 reach full boost?

Wayne

its gonna depend on what exhaust A/R you have, plus your own motor setup

friends car with a .68 A/R 40-88 with crower 272 small cores hits a lil after 4K to do 1bar