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Old 09-04-2006, 09:02 AM
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PONTIAC DUDE PONTIAC DUDE is offline
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Quote:
Originally Posted by mysticmissle
what is in the lifter valley that differentiates block to block? thanks Brian

That works for the 455 blocks and still have to check other ares on the 455's. But if Brian tells, I'll have to kill him. LOL.

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Old 09-04-2006, 09:59 AM
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I'll take some closer, but you can see the #2 main cap front and back side area.

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Old 09-04-2006, 10:32 AM
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It has less meat in the main webbing area than a 68 block or a 72 junk block I have laying around. I you look at the first pic you posted, you can see a 'step' where the cylinder ends, toward the middle of the block. Neither of mine have that but have metal there.

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