evandostert Posted December 25, 2016 Report Share Posted December 25, 2016 I am looking to start a new build project. I am going to be using a short block from???? haven't decided yet. want a mock up block and need to use a few parts during build up. Buying a 1000 lq4 or 9 vs a 200$ 4.8 or 5.3 can i interchange a 4.8 or 5.3 engine for the following parts. engine covers timing, rear, oil pan, valve, rocker stands rockers, oil pick up???? Going boost not sure which. self made twin turbo with cast manifolds really standing out to me. Quote Link to comment Share on other sites More sharing options...
SilveradoJakee Posted February 9, 2017 Report Share Posted February 9, 2017 Speed engineering makes a good set of turbo manifolds. Everything from the 4.8, 5.3, 6.0 can be swapped. Except the pistons and crank and rods(maybe wrong with the last 2) cannot be swapped from 4.8/5.3 to 6.0. 4.8 and 5.3 are the same blocks and crank. The 4.8 is a destroked 5.3 and had flat top pistons. If i was going to Force induction it, i would go with a 5.3 and keep the domed pistons, or go to a 6.0 and do a set of ported 243s and keep the compreeson to a 9.5.1. Quote Link to comment Share on other sites More sharing options...
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