Re: SBC O rings on Dist?
Just a thought,
The stock Chevrolet blocks and distributors are cast iron with tight clearances on the OD & ID.........
MSD is aluminum and is a fits all......
The "O" rings couldn't hurt, but only help getting oil with the least amount of leakage to the lifter galley...
Just my 2 cents,
Bob
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Bob Mulry 7516 STK
A & M Motorsports
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