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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: Jan 2019 Posts: 2,244 Herder of Cats, Goats, and Sheep (moderator) | | Herder of Cats, Goats, and Sheep (moderator) Joined: Jan 2019 Posts: 2,244 | Maybe call Jim Carter and ask them about the expectations? It sounds like the pistons might have been made slightly oversized to account for expected wear in the bore when you are rebuilding it.
I would expect that to be called out in the listing if it was true, but maybe not? A measurement of 1.376" for a nominally 1-3/8" bore is what I would expect. Having 0.001" oversize on the bore and 0.001" undersized on the piston is pretty normal and gives you the clearance Jerry mentioned. | | |
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