Re: Number from my 350 ?
That block can be 2 or 4 bolt mains, you just have to pull the oil pan to see. It's a common 4 inch bore block. So it could be a 302, 350, or 327. If there is 010020 by your oil filter, it's a high nickel and tin block
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'72 cheyenne super step, '05 long bed gmc
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