Stock boost?

[stealthj]

Hey, i was searching and i couldent find the stock PSI the ca18det is running

some sites told me 7 and some sites told me 12

also, if i were to get a boost controller, what is the safest amount of more boost i can give this turbo running on a COMPLETALY stock engine??

thanks in advance for the replies

[240 Trainee]

well, I think that stock boost is like 6-7 psi. That is compleatly stock, exhaust included. 12-14 psi is what people say is the limit for the t25 on the CA, you will also be needing some better injectors, fuel pump, stuff like that. This seems rght, correct me anybody if I'm wrong;)

[Nismo1182]

Mine ran 6 psi stock. Im at 10 now.

[NeedCAforS13]

I'm hitting 7 or so... SR T25 turbo

Sean

[pulsar gtr]

stock boost is 7psi, but if you are running stock ecu and maf, you don't want to exceed the 12psi, you might have some detonation since your fuel map isn't set for this kind of psi

PULSAR GTR

[stealthj]

thanks you all

in that case i wont be exceeding 12 to be on the safe side

how much HP can i expect at 12psi?

[pulsar gtr]

Stock engine is rated at 175HP, with 12psi, it should be around 185-195hp.

PULSAR GTR

[240 Trainee]

May I also suggest a BOV of some sort before upping boost? I think it would be a good idea, for the turbo's sake.

[stealthj]

yeah i got a apexi twin chamber in my room right now, but dosent stock have a BOV anyway?

[Spectre23]

Mine was 10 psi stock and after I changed the exhaust and nothing else it was 12 psi.

[stealthj]

hey i have another question...

why do people have diffrent levels of stock boost?

some came boosted more stock?

[xyster]

Bringing up a dead thread...

I suspected my hallman ES mbc was leaking, so today I cut it out of the loop...I just connected the nipple on the compressor housing directly to the wastegate actuator. It runs a solid 10PSI is 3rd-5th gear at WOT as measured at the intake manifold with an autometer boost gauge. Is that stock, or is my gauge reading wrong?

[nab911]

Well if you have any upgrades (i think u have fmic and some stuff) it alters how much boost it will run at and also it matters where you gauge is picking its signal up from.

[pulsar gtr]

All depending on your setup, lots of guys here got similar setup but not identical, your intercooler, exaust size, the hook up for the boost vacuum, and many other factors will give you different levels of boost.Factory all ca18det cars were set identical so the boost was the same all across.

PULSAR GTR