Using main bearing caps from different block.
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Mountain Pass
Joined: Aug 2024
Posts: 201
Likes: 84
From: Queensland Australia
Using main bearing caps from different block.
This probably belongs in the engine section however, I have a std bore Cleveland 351 block without main bearing caps, I also have a set of perfectly good 351 Cleveland main bearing caps from another block not usable due to the need to bore more than 30 thou'.
I assume I should have the caps fitted and line bored/checked however are tolerances good enough in production to fit and check for crank binding?
Thanks in advance for knowledgeable advice.
I assume I should have the caps fitted and line bored/checked however are tolerances good enough in production to fit and check for crank binding?
Thanks in advance for knowledgeable advice.
Cargo Master
Joined: Oct 2020
Posts: 2,718
Likes: 806
If I have to change a cap on a block it is always nice to have a few to try because sometimes I'll find one that's pretty close and it only needs a little bit of trimming and a line hone to make it work. If I can't find one that fits very well then I end up having to cut the cap a whole bunch and then line bore that one before finishing up with a line hone. This would be a pain to do on all five caps.
I think I would probably sonic test the block that won't make .030 over and see if it'll go to .040. I've had to do .040 quite a few times on a Cleveland.
I think I would probably sonic test the block that won't make .030 over and see if it'll go to .040. I've had to do .040 quite a few times on a Cleveland.
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