FS: S/C Kit

USMCFieldMP

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FASTL61

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3.0 pulley is 12-14 psi iirc
2.8 is 15/16ish psi

On a LSJ maybe.Im pretty sure the L61/LE5/LAP has a slightly larger crank pulley.Im on a 2.9 and boosting 9-10 psi

GLWS Rob,Your car is looking super good :)
 

USMCFieldMP

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On a LSJ maybe.Im pretty sure the L61/LE5/LAP has a slightly larger crank pulley.Im on a 2.9 and boosting 9-10 psi

On an LSJ, a 3.0 is good for 15psi... and the 2.8 is good for 17.5psi. ;) And I thought that all Ecotec Crank Pulleys were the same. Iono... just what I thought.

In all reality... its all about restriction. Free Flowing exhausts and ported heads will lower the amount of boost that you are pushing.
 

FASTL61

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MAybe thats it but im only running 2.25 throughout the whole exhaust besides a 3 inch inlet muffler but I have a LSJ manifold that I ported out as well and its catless.
 

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