Quote:
Originally Posted by nuch_ss396
I have to agree that the 3856223 chankshaft came in both
396 & 427 applications. It has been found in cross drilled,
and non-cross drilled variants along with Tuff-triding
for the cross-drilled version.
I had always thought that the 427's used a different crank
due to what I read in Colvin's book. However, I have found
many Corvette owners with L/71's that had original '6223
cranks. All the L/72's also used the '6223 cranksahft.
Now, for a kicker, the L/34's also used the '6223 crank,
but it wasn't cross-drilled or tiff-trided. I've heard
that some L/34's were found with cross-drilled cranks, but
they definitely weren't tuff-trided. That was a SHP only
option.
Steve
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What more can you tell me about the L-34?? I have Alan Colvins book and I saw a section on the 402/427 where it says the 402 3rd lobe is 7/16". Is this true?? I have a 70 SS Camaro L-34 and trying to verify what crank should be in the block, CTX stamping. Would it be the 6223? The only 6223 I have seen is 3/4" wide 3rd lobe.
Any info on these other 402 cast numbers mark with red dot?
Thanks!