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Old 03-27-2006, 08:28 AM
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Location: Glenwood Landing or Southampton, NY
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Quote:
Originally Posted by Bob In Ct
Hey guys, keep in mind that a 30 WT motor oil has about the same viscosity as a 90 WT gear oil (give or take, I don't have a chart in front of me). Motor oil does not use the same scale a gear oil, it uses a lower one.

I've been using Redline MTL in my Tremec for 5 years with no problems. Tremec recommends Syncromesh by GM.

Bob
So that means the 75W90 Amsoil is equivalent to like a 5W40 motor oil...
Which now makes sense. Anyway, I just ordered GM synchromesh but Ill keep the Amsoil in a jug when I drain it. ($30 synthetic flush...geeez)
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