Originally Posted by wingman
Doesn't a factory rope seal require the directional "knurl" on the crank to work properly?

If you machine that sealing area smooth won't it leak?

I was always taught rope seal--knurled, lip seal--smooth.

Both type seals will work on either type crankshaft up wrench scope

Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)