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Discussion Starter #1
I would like to get some suggestions which turbo to run with me combination. First of all this will be a fun street car occacially driven at the track. Not an everyday driver though, just a fun weekend car.... Here are my specs,


Motor is 331
R-block
Low compression Ross pistons
Forged crank
AFR185's
Systemax Intake

I recently bought an On3 kit but am going to swap out the existing turbo with either a Precison, Turbonetics, or Garret. I am also going to swap out the 44mm with either a Tial or Precision.

What do you guys suggest for a good dependable turbo? Also AR size? As of now, I am leaning toward the Precision 7675 ball bearing.
 

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Do you have any goals for the car?
 

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Discussion Starter #3
I am thinking of at least running 700 rwhp... I don't want something so fast that it is not fun to drive on the street.
 

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Doing a similar build and that's what I'm thinking is the 7675 with a billet wheel and BB. Should be plenty to make 700 at mid boost. I'm building for 1000, tuning for 6-700.
 

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I'm 2v modular but also in the middle of a turbo build and will be going with the PTE 7675 turbo as well, shooting for 700-800
 

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Cam was ground for a 331, Vic Jr. heads, Vic 5.0, and 76mm Turbo with .96. .81 would be a quick spool though! I may get a few different and play some day.
 
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