So on average what were the sonic check numbers#, how thick were the 2002 3/4 ton blocks as compared to the later ones?
Quote: We have like 8 or 9, 5.7 blocks and 3, 6.1 blocks laying around. Started hoarding the 5.7's when the 5.7 Eagle engines came out and grab up the new 6.1's whenever I can.
I just picked up a couple fully machined, ready to assemble 5.7 blocks from a engine reman shop that was going out of business for $75 ea. One was bored .020" over and the other .040".
The stoutest block of all are the very few and rare 5.7's that were available in 2002 3/4 ton Hemi Ram trucks. Those blocks can safely take up to a 4" bore.
From all the later 5.7 blocks we have and I sonic checked, (what a long day lol) basically a 060" over 5.7 will have the same wall thickness of a .020" 6.1.
