Re: Block Casting Numbers
New info on block! Talked to someone who refreshed my memory on this block.
In the late 60s and early 70s the NHRA required you to run the same year block as the car in SS and stock. When these camaros were new the blocks were not that easy to find. This blocks numbers were changed to fit the class they were running at the time. The numbers on the block now are 3969854. I know the 9 and the 6 has been changed. The three i an not sure about. The casting num on the side of the block below the freeze plug is J 10 8 It has a screw on oil filter. Also has the extra plug at the oil filter for external oiling. I still would like to know what this block was born in. Thanks for your input.
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69z2x4s
69vette
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02-21-2007, 03:06 AM
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