ET: Engine (Twin) Any Drawbacks To Crankcase Polishing Internally?

[vibrac]

Polish to the extent that surface cracks cannot propogate. Further than that I think is no more than an ego trip. I even might suggest that a higly polished inlet tract is of doutful use smooth and direct yes, highly polished? I am not sure. In that regard I seem to recall something about almost stationary boundary layers in fast air flows and also stuff about the dimples on dolphins skin I guess the friction between adjacent air molecules is less than between a solid and air. I guess the same effect applys to liquid to a lesser extent

 

[timetraveller]

Increase the length of your scraper.

 

[Bill Thomas]

Don't feel the need,
Works fine, I like lots of oil splashing about.

 

[BigEd]

....... In that regard I seem to recall something about almost stationary boundary layers in fast air flows and also stuff about the dimples on dolphins skin I guess the friction between adjacent air molecules is less than between a solid and air. I guess the same effect applys to liquid to a lesser extent

I'm not a golf player but aren't the dimples in a golf ball something to do with aerodynamics?

 

[Whiteshadow15]

I think that will do it. On to the timing half next.