07 GMC Sierra Classic Body Style 4.8L V8
#2
TECH Enthusiast
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Joined: Feb 2004
Posts: 719
Likes: 4
From: 2 Miles from the Brder Wall, Tx
if ur close to wheatley you can setup a tunning session, if not u can ship them your pcm to have it tune'd. As for headers, pacesetters are nice but I went will LLP lt's with ory and install was a breeze..Cant beet 450 shipped for headers and ory that are stainless steel
#4
wow.. u need to do alot of reading and catching up man.. no u cant drive your truck without a pcm.. dont let this discourage u either.. 4.8 in a crewcab.. u need a tune.. i love the way mine runs.. just gotta keep ur foot on it on the heavy crew cab. lol.
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