While we are on the subject, what parts does Allen suggest you replace when he does a tune?
While we are on the subject, what parts does Allen suggest you replace when he does a tune?
03 SIlverado LS SCLB 4.8 w/ 3.42 rear, K&N FIPK, mild catbak duals, vette servo and a few other things added.
http://img.photobucket.com/albums/v2...hughes/600.jpg
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