View single post by Greg Fletcher
 Posted: 04-30-2008 04:14 pm
PM Quote Reply Full Topic
Greg Fletcher

Joined: 03-11-2005
Location: Lake Nacimiento, California USA
Posts: 421
Ditto what Brett said. The 20W 50 engine oil is fine for the thrasher 4 speed (it's recommended for that), but I would never use that in the Getrag. Parts for those are unobtainium now and you will benefit from a high quality, synthetic GEAR oil of the recommend weight.