440 steel crank question

[T-REX]

Have a 440 steel crank out ov a counter rotating Boat engine,,,The surface wher the rear seal rides iz backasswardz(if used in a std rotation engine)....

what iz tha general sensus ov welding up the backasswards oil jurnal, and turn it back down to smooth???....

Why wouldn't a smooth journal seel??...I deel with Hipo outboards and all thier seel'in surfaces are smooth, and turn 12K rpm!!!....

Sho would like to be able to use this crank!!!....

[pishta]

The grooves at rotation push the oil back into the crankcase like an auger, correct? I dont know if a smooth surface would work back there as it is always in oil due to the acceleration. Are you using a rope seal or a rubber lip seal? tried both?

[T-REX]

Yea, the grooves on tha counter rotating crank are backwards, and in a std rotation mote would actually pull oil out the mota....I juss figger'd they wuz sum smarter peopelz out ther that would know if it wuz possible to use a smooth seel surface, or the oil would be forced out the seel by acceleration...a 440 seel iz alwayz submerged unless a deep pan iz used....

I quess tha CR crank would make a good mail box post!!

[DartGT66]

I have heard people just polishing them out. The grooves really are only necessary for old style rope seals, and the modern lip seals prefer smotth surface.The grooves aren't deep, and I have heard people just polishing them smooth with good results, without adding any material.

[T-REX]

Thankz my fren, datz all I need'd wuz one positive answer to shift geerz.....Looks like polish'in iz in tha cards.....Oh, rope seelz went out wit disco az for az I'm concerned!!