Just to stir the pot....... I use straight 50 in my 235. My bearing clearances are wide, at 4 thou, and it's happy. During the winter, I have a block heater, and more importantly, an oil pan heater.
( this is a different "mill" than I had two years ago!) Hahaha
Last edited by Mr. Lang; 07/04/2012 2:08 AM.