Quote:
Originally Posted by sweetk30
i always read the o-rings on the dist housing were for the modified block were the 2 areas were ground with a chamfer to let the o-rings slid in/out better .
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Agree. Found that out today searching the web. MSD says not to use them on any stock block. Most aftermarket blocks have been chamfered for them. Mines probably sitting in my oil pan now. Oh well, live and learn.