The engine I built for my street car last year I used the BOP one piece rear main seal. I made the mistake of letting my machinist install it, thinking letting him do it was my best shot at getting a leak free installation. I was wrong I should have done it my self because it leaks. This time I did it my self following the instructions to the letter and having a couple conversations with Wade to make sure I got it right. I measured the seal groove depth in the block and cap and they were within .003 and Wade said that is well within spec. The seal did require some fitting to get it to fit right but I think I got it time will tell. Seal installed mains all torqued in place, next step is to file fit the rings.
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Tim Corcoran
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