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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!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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| | | | Joined: May 2015 Posts: 11,060 Housekeeping (Moderator) Making a Stovebolt Bed & Paint and Body Shop Forums | | Housekeeping (Moderator) Making a Stovebolt Bed & Paint and Body Shop Forums Joined: May 2015 Posts: 11,060 | The pins for the manifold are 3/8" nominal diameter. The thread pitch is likely US coarse or 16 TPI. You'd have to meaasure the depth of the tapped hole in the head and likely trim the studs you can find at the auto parts store. The exposed portion in unthreaded and the length so that it sticks out of the installed manifold by about 1/8 inch. The parts manual says the length is 1-3/4 inch.
Last edited by klhansen; 11/09/2023 6:23 AM.
Kevin 1951 Chevy 3100 work truckFollow this saga in Project JournalPhotos 1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car) Busting rust since the mid-60's If you're smart enough to take it apart, you darn well better be smart enough to put it back together. | | |
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