Thread: Upgrading a 5.3
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Old 01-29-2015, 03:02 PM   #1
comicaltatertot
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Join Date: Aug 2014
Location: Ogden, Utah
Posts: 96
Upgrading a 5.3

So I have a 2005 GMC Sierra 1500 4x4, it has the 5.3 L33 version. It is my daily driver and I tow/haul in the summer quite often but not so much in the winter. So I didn't want to do anything too extreme. But after some research this is what I have come up with.
Vinci cam "Butt Kicker" @.050 210*/218*, .551/.551 lift, and a 114* LSA.
Dual Valve spring complete kit, 1.6 Yella Terra roller rocker arms, chrome molly pushrods, LS6 ported oil pump, LS2 timing chain and of course a dyno tune to get it all running right. Then I am rebuilding the 4L60 with a 1650 stall. Then a few months later on getting a 3" exhaust.
What do ya'll think? Would there be anything that you do differently? I am open to opinions thanks for your help.
Tate
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1955 Chevrolet 3100 2nd series 235
1972 Chevrolet k/20 long bed 4x4 350
2005 GMC Sierra 5.3 L33
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