A 327 V8 can't use a speedy sleeve- - - -the flywheel flange is bigger than the seal surface area. Try gluing a strip of shim stock to the back side of the seal to squeeze it a little tighter against the crankshaft. Use high temperature epoxy, which should be pretty oil-resistant.
Jerry


"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!