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Old 03-30-2023, 11:10 PM
Lynn Lynn is offline
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Thanks for showing. What are the other two holes for?
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Old 03-30-2023, 11:14 PM
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Chevelle Z-bar uses the hole near the bell housing. Early blocks don't have the center hole, so??
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Old 03-30-2023, 11:55 PM
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Thanks guys! I didn’t realize the corvette had the z-bar pivot in a different location.
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Old 03-31-2023, 02:03 PM
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Post Threaded hole...

I have a 72 402 block in the shop with the same threaded hole, just checked it. It does not go thru to the water jacket...it has a solid bottom

Must be for mounting or attaching something

I'll take a look at one of the 1970 cars over the weekend and see if I can learn more.

-wilma
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