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Old 03-24-2010, 12:57 AM   #14
bumblebeecamaro
Car Lover By Nature
 
Drives: Mini Cooper S
Join Date: Dec 2009
Location: Central FL
Posts: 2,310
Quote:
Originally Posted by jrpxxii View Post
Here is everything you need to know.
PLEASE NOTE: If running Long-Tube Headers, you will loose 2 PSI of Boost and to gain that back, choose a pulley 2 sizes smaller!

- 3.60" pulley: expect 2.0 psi. more boost over stock pulley -Total boost 8.0 psi
- 3.40" pulley: expect 4.0 psi. more boost over stock pulley -Total boost 10.0 psi
- 3.20" pulley: expect 6.0 psi. more boost over stock pulley -Total boost 12.0 psi
- 3.10" pulley: expect 7.0 psi. more boost over stock pulley -Total boost 13.0 psi
- 3.00" pulley: expect 8.0 psi. more boost over stock pulley -Total boost 14.0 psi
- 2.90" pulley: expect 9.0 psi. more boost over stock pulley -Total boost 15.0 psi
- 2.80" pulley: expect 10.0 psi. more boost over stock pulley -Total boost 16.0 psi
- 2.70" pulley: expect 11.0 psi. more boost over stock pulley -Total boost 17.0 psi
what a VERY informative post. thanks!
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