precision vs borg warner turbo experts come in!!!
precision 91.5 vs borg warner s500sx91
if anyone cares the car is a 2001 camaro ss
408 iron block
317 heads ported polished ...
th400 trans
midwest fab 9
truck manifold 2.5 crossover
What turbo is the best bang for the buck!!!!!???????!!!!!?????
I would use the S591, or the 91.5 with the F wheel.
Last edited by Fbodyjunkie06; Jan 2, 2012 at 08:51 PM.
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Also I did some research on this, I could not find one place that specified the actual mm size for a F trim or a G trim turbine. I might be wrong in thinking this, but maybe the F trim is a 98mm turbine and the G trim is a 111mm UNLESS you go into the thumper chassis turbo's that use the F trim or G trim and then they are either 111mm or 130mm. I've also heard from some that the only difference in the F and G is the exducer mm size.
Jose, or Josh if you see this can you clarify?
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Also I did some research on this, I could not find one place that specified the actual mm size for a F trim or a G trim turbine. I might be wrong in thinking this, but maybe the F trim is a 98mm turbine and the G trim is a 111mm UNLESS you go into the thumper chassis turbo's that use the F trim or G trim and then they are either 111mm or 130mm. I've also heard from some that the only difference in the F and G is the exducer mm size.
Jose, or Josh if you see this can you clarify?
I'm kind of wanting to stay around 2,000 for the turbo and I see them 275 88mm turbos are like 3600 bucks!!! I see some people like this guy with a s88 ( not sure if it's the 488 or the 588) running low 9's at what I would call low boost and his turbo he says in his for sale ad is a -S88 AirWerks Turbo – T6 flange, 1.3 A/R here is his post https://ls1tech.com/forums/vehicle-c...camaro-ss.html let me know what you think
I'm kind of wanting to stay around 2,000 for the turbo and I see them 275 88mm turbos are like 3600 bucks!!! I see some people like this guy with a s88 ( not sure if it's the 488 or the 588) running low 9's at what I would call low boost and his turbo he says in his for sale ad is a -S88 AirWerks Turbo – T6 flange, 1.3 A/R here is his post https://ls1tech.com/forums/vehicle-c...camaro-ss.html let me know what you think
FWIW a local X275 racer, he has a 357 C.I." Ford Motor that Pete Harrell used in his SSO car years ago. They refreshed it and put it in chad's fart (ford+dart=fart) with a borg warner S500 but it had the old cover with the 98mm turbine wheel. He went 4.99@145 with that turbo. He has since switched to the PTE X275 turbo and has gone as fast as 4.93@149 IIRC. 3450 pound car. Should run 7.50's in the 1/4. I'd say with half the boost he runs you should be able to run 8.90's if not mid 8's with a good enough short time.
Here is the thread I was looking for where Jose from Forced Inductions explains all the differences in the S500 GT-55 and PTE F and G trim turbine wheels.
Last edited by dragrex; Jan 3, 2012 at 01:29 PM. Reason: ......

