manifold studs

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May 27, 2021 | 10:35 AM

pkrbkr13

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manifold studs

What are the sizes of the studs & nuts on a '88 exhaust manifold to exhaust down pipe flange? I would like to know as i'm going to remove them
and would like replacements on hand before.
Thanks

May 27, 2021 | 10:44 AM

WVZR-1

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Quote:

Originally Posted by pkrbkr13

What are the sizes of the studs & nuts on a '88 exhaust manifold to exhaust down pipe flange? I would like to know as i'm going to remove them
and would like replacements on hand before.
Thanks

I believe they're spec'd @ M10-1.5X57 (GM# 14057005) - You can have most 'local' jobbers reference that part # or the dimensions. material used for nuts is sometimes debated.

May 27, 2021 | 11:47 AM

pkrbkr13

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That sounds right. Ordered some from Amazon for a C4 that were specified. for that year, and they are only M8x1.25. Not going to happen.

May 27, 2021 | 05:07 PM

WVZR-1

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Quote:

Originally Posted by pkrbkr13

Ordered some from Amazon for a C4 that were specified. for that year, and they are only M8x1.25. Not going to happen

sounds like Bezos has already 'made it happen'!!!

Last edited by WVZR-1; May 27, 2021 at 05:22 PM.

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