J 69 512 short block
I have a J 69 dated 512 shortblock - this block was built to 427 specs when i bought it but I have not been into it - it is a 4 bolt main and is supposed to be a 7115 crank and 11:1 pistons. Block is 30 over. Also have set of 840 heads that are a matched set dated C 69. 2,750 for the short block and 1,200 on the heads.
Thanks
Mike
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70 Nova L34 black on black, auto.
70 Nova L78 Cranberry Red, 4spd.
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