Head Upgrade?!?!?!
#1
Head Upgrade?!?!?!
I've been hearing alot about 6.0 and 5.3 heads. Are the guys talking about stock heads off of a 5.3 or 6.0 truck motor or what? The reason I'm asking is because my dad has a junkyard full of 5.3 and 6.0 motors, and if they add hp, I'll talk him out of a set!!!
#2
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The reason for porting the 5.3 heads is they have smaller combustion chambers which gets you about 1/2 point in compression without having to mill the heads. You have to be carefull with the 5.3 heads though, because you can run into PTV clearance issues with aggressive cams.
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