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GMC V6 and V12 Engines Engine repair and rebuilding |
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#1
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Rear Main Bearing Cap for V6 engines
I'm looking for a source for the Rear Main Bearing Cap for the V6 305 engine. Does anyone know where I can get one?
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#2
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Re: Rear Main Bearing Cap for V6 engines
Main bearing caps for these engines are not available replacement parts. The only way you could obtain one is to find someone with a V-6 block that is no longer salvageable. And then, after you find your rear main bearing cap, you would have to have your block line bored to match the main cap to your block. Bearing caps are not interchangeable from block to block, due to variables in the original casting and machining processes.
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#3
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Re: Rear Main Bearing Cap for V6 engines
Are you with Olsons Gasket Company? If you are and expanding the gaskets line, you might be able to borrow one from someone in the club near by.
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#4
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Re: Rear Main Bearing Cap for V6 engines
George and James,
Thank you for your responses. Yes I am from the Olson's Gaskets company. I am trying to reproduce rubber rear main seals for this family of engines. In order to do so I actually need 2 rear main bearing caps to move ahead with this project, of which I am happy to purchase. One of these rear main caps will be destroyed (cut in two pieces) by my manufacturer in the process of reverse engineering this seal. The other cap will serve a an unmolested sample. I am nervous to borrow a cap from someone who needs it in case something gets misplaced in the process. Finding these in junk blocks would be ideal so that they are not coming from someone who needs it to make a functioning engine. I am not limited to caps from 305 engines of course they are just the most common, but 351, 379, 401, 432, or 478ci rear main caps would work as well. A V8 637ci rear main cap could also be used. I think getting a rubber rear main seal reproduced would rear help out folks rebuilding these engines. Richard |
#5
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Re: Rear Main Bearing Cap for V6 engines
Thank you for your efforts in reproducing the rear main seal
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#6
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Re: Rear Main Bearing Cap for V6 engines
Too bad you're in frikkin Washington. I could help with one entire engine and you could reproduce all the seals. People love kits that have every seal you need. It makes for less hunting and more wrenching.
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#7
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Re: Rear Main Bearing Cap for V6 engines
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