Quote:
Originally Posted by wbnapier
It is a 0.040" over 455, 4.25" stroke. Butler rotation assembly, Stump Puller II cam, etc., etc., Pistons were dished for 91 CA gas. Tri-Power, medium ported #48 heads, etc. Everything redone, no expense spared. Block, heads, etc. all prepped by a really good machinist. Not a single leak.
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Really truly sorry the thang is fighting you.
Can tell you tried to do meticulous assembly work on it.
And a great group of parts
I hope you get to drive it again.
Spun rod bearing(s) will
usually rotate backwards after cool down, and have made plenty of racket on its way south.
So its probably locked in the main(s).
Maybe why it cracked cam gear at keyway, from the sudden stop of crankshaft.