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68 69 Olds 400 pistons .040 wanted

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Old July 4th, 2022, 09:49 AM
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Madd442 aka thecutlassguy
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68 69 Olds 400 pistons .040 wanted
looking for a set of 400 pistons and rings .040 over . Please let me know if you have some. thanks Steve
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Old July 5th, 2022, 02:07 PM
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I say this being 14 months into this headache, but I ended up going with SBM forged pistons and 425 (7") rods.

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Old July 12th, 2022, 07:32 AM
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Madd442 aka thecutlassguy
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thanks for info yes this is definitely a pain with no availability. Andy Miller supercars says he has a set that will work 3.975 pistons with rings for 850.00 Ill probably
go that way. cheers Steve
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Old July 12th, 2022, 07:40 AM
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Originally Posted by madd442
thanks for info yes this is definitely a pain with no availability. Andy Miller supercars says he has a set that will work 3.975 pistons with rings for 850.00 Ill probably
go that way. cheers Steve
3.975 pistons, as in like .100" over?

At .040" over I was looking at 3.910 slugs.
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Old July 12th, 2022, 11:24 AM
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Originally Posted by brotherGood
3.975 pistons, as in like .100" over?

At .040" over I was looking at 3.910 slugs.
Is that for an E-block maybe?
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Old July 12th, 2022, 11:28 AM
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Originally Posted by BangScreech4-4-2
Is that for an E-block maybe?
G block, '69
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Old July 12th, 2022, 11:40 AM
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Originally Posted by brotherGood
G block, '69
Yes. You know what? I screwed up. I was thinking 3.975 was the original bore size for an E-block 400 but of course it was 4.00. Disregard.
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