Quote:
Originally Posted by Clyde65
I think the pistons will also need to be changed, that is what I hear tells the difference in the 4.8/5.3 motors not the crank, I could be wrong about the crank tho.
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I just did this swap and the pistons rods and crank will need to be changed. The 5.3 crank should already have the relutor on it, if not an 07 5.3 will be needed and put on with a special tool or it won't run right or may not run at all. Not sure when the tooth count change but early and late 5.3 engine used different counts.