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Posted by CDHUNTER [98.125.143.94] on Tuesday, October 18, 2011 at 00:16:17 :
In Reply to: Gear oil GL-1 vs GL-5 posted by D Sherman [72.47.9.228] on Monday, October 17, 2011 at 22:18:59 :
Have you considered using GL-5 MT1?
The MT1 rating means its safe for yellow metals. I have been using GL-5 MT1 from NAPA in gearboxes that spec GL-1 for ~8 years without any issues.