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How much boost?

srb 33

By srb 33,
in Engines & Forced Induction

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R32 GT Apprentice

R32 GT

Posted
Posted
How much can I increase my boost too before having to make modifications to the turbo?

You might wana keep it around 11-12, for more reasons than just the turbo's life.

To avoid detonation, and keep the turbo efficient most people tend to keep it round there. With correct tuning you can get alot of power out of them on low boost with a SAFC or similar.

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WazR32GTSt Grand Master

WazR32GTSt

Posted
Posted
You might wana keep it around 11-12, for more reasons than just the turbo's life.

To avoid detonation, and keep the turbo efficient most people tend to keep it round there. With correct tuning you can get alot of power out of them on low boost with a SAFC or similar.

agreed.

i think the general consensus is that @ 14psi you are pushing not only the flow capacity of the turbo, but also the life of the exhaust wheel

people generally run around 12psi feeling that this offers the best power for turbo reliability

(also, a search would yield quite a few threads on this matter)

Waz.

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R32 GT Apprentice

R32 GT

Posted
Posted
i use to run 12 psi on my r32 rb20 ... i end up changing the turbo 3 times ... and the last one was leaking .... :D ...  that was befor my friend crash the car.. :thumbsup:

i think 10 is ok ...  but am planning for 12 on my r34 ... :D

you blew the turbo 3 times on the standard set up? Im thinking your boostguage was faulty and you were running significantly more than that...

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OMRAN Collaborator

OMRAN

Posted
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you blew the turbo 3 times on the standard set up? Im thinking your boostguage was faulty and you were running significantly more than that...

no my boostguage was perfect ... my car was standerd ... only for the KSROM chip

which is set up for 12 psi ( i dont have a boost control ) .. and 8000 rev ( they did it is japan) and some fuel and ignition remaping ...

and 3.5 inch exust ..

no cat no nothing .. but the muffler at the end .. thats why my turbo exust wheel spen all the way out of the exust .. lool ... :cheers:

maybe from the way i was driving ... lol .. drifting all the time .. and the rev was always high ... above 3500 .. :rofl:

any way ... its over ... i have my r34 now ... never reach 3000 RPM :jk: lol

some pic of the turbo ... with something missin :)

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OMRAN Collaborator

OMRAN

Posted
Posted
lol good effort, im not sure how the hell you managed to kill 3 on standard boost but thats pretty special dude lol

Take it easy on the 34, those turbos cost a wee bit more. I guess you could buy in bulk? lol

Cheers

loooooooool ... dont wory about my r34 ... i'll be changing the turbo soooooon :P

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