View single post by dbeliveau74
 Posted: 01-17-2016 03:20 am
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dbeliveau74



Joined: 12-28-2015
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Above Greg states:
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.