Re: Difference between a 4.8 and 5.3 ls engine
The 4.8 has flat top pistons and the 5.3 has dished. My block did not have the 4.8 or the 5.3 highlighted so I had to look at the pistons. A HO 5.3, it will have flat tops, but the block is also aluminum.
Last edited by Kabwe; 07-28-2010 at 03:23 PM.
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