street run

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Feb 24, 2009 | 02:29 AM

#21

GMCtrk

TECH Senior Member

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From: Dallas

It looks like you need a new tune badly. If I wasn't told what the specs on your setup were, I would have assumed that was a stock 5.3 based on that video.

Feb 24, 2009 | 03:41 AM

#22

speeedo

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Staging Lane

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Joined: Oct 2008

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From: kuwait

Quote:

Originally Posted by regency

well what did you do to go from 388 to 450

a good MAFless tune and msd Ignition Coils i had a leake before in energy and voltage and i add Fuel Injectors, 36 lbs

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