[turbows6]

hey guys im looking to upgrade my turbo soon, i have a t76 now on my 2000 trans am, 370cid all callies, dimonds boost pistons , 8.2 comp, afr 225, i want to stay with my t4 flange, what will make the most power for the 1/8 mile looking to get in the 5.60s is this possible in a full wait car, thanks

 

[Darkhrse99]

I would think a precision 78 gts would do the job on a T-4 flange.

 

[DrTurbo]

hey guys im looking to upgrade my turbo soon, i have a t76 now on my 2000 trans am, 370cid all callies, dimonds boost pistons , 8.2 comp, afr 225, i want to stay with my t4 flange, what will make the most power for the 1/8 mile looking to get in the 5.60s is this possible in a full wait car, thanks

88mm is what I would suggest. Full weight F-body is around 3600+lbs.....you'll need some big power.

 

[Robert1320]

An B/W S380 would fit your motor very nicely.

 

[turbows6]

are these turbos offed in t4 flang

 

[Crowder]

precision offers the pt88 in a t4 flange with a ..96 a/r i believe

 

[Robert1320]

are these turbos offed in t4 flang

The S300 are T-4 and the S400 are T-6.

 

[Robert1320]

& available in .90 - 1.00 - 1.10 -1.25 AR
Plus a optional RaceCover is available too!

 

[classic boost]

precision also sells a gt47-88 in t4.

 

[turbows6]

thanks guys. what else will have to change fot the 88 maybe the down pipe and in let tubing