Dude I don't know if about those stampings but if you can get a pic I think I can i.d. it for ya. There is an extra "knob" on the end of the 460 crank that kinda looks out of place. It is for the internal balance I believe.
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'93 lx 4 banger, wrecked '90 lx 5.0, w/ t-5. .030 over fully ported and polihed (did that just to see if I could-first attempt at it).
Cocked, locked and ready to rock
Pony Power Forever
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