There's a much better way to tighten a rope seal, using a thin stainless steel strip cut from a discarded windshield wiper blade. Loosen all the main bearing caps about 2 turns, and gently tap the strip behind the upper seal rope to shim it tighter against the crank. Then S-L-O-W-L-Y tighten up the rear main cap while moving the flywheel back and forth to reshape the seal surface against the crankshaft.

Or- - - - - -do it the right way and machine the block for a full circle lip seal.
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!