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Can I use the same oil pan on a SBC if I switch from a 2 pc to a 1pc rear seal?

10K views 5 replies 5 participants last post by  NovatoriusRex 
#1 ·
I'm changing from a 2 piece rear main seal block to a 1 piece rear main seal block. Can I use the same oil pan and gaskets on the one piece block? Thanks for your reply's ! :cool:
 
#6 ·
Here's a pic I took of one of my early pan fit tests.



I was told the pan I bought fit a 1pc rear main seal block, but as you can see, it didn't. The one I was sent was for a 2pc rear main block.

The diameter of the seal holder is much bigger on the 1pc block than a 2pc block.

A new, proper, pan for the correct block fixed the issue.
 
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