| flathead48 | -- 03-12-2015 @ 4:58 AM |
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What is the right gear lube to use in the transmission on these old Fords that won't destroy the brass parts. Thanks, Rick
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| joe b | -- 03-12-2015 @ 6:28 AM |
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Type Gear Lube into the search. There a many items on this subject.
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| David J | -- 03-12-2015 @ 8:30 AM |
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Sta-Lube SAE 140 GL4 from Napa . This choice seems to upset the legions of self-appointed oilologists the least . If you drive in real cold weather shifting will be sluggish till it warms up some . It will shift but slowly with steady even pressure .
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| flathead48 | -- 03-12-2015 @ 11:45 AM |
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Thanks for the replays, I have been using Lucas 90-140, but not sure that is the right choice, only drive in warm weather. Thanks again
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| TomO | -- 03-13-2015 @ 6:40 AM |
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The key seems to be the GL-4 rating, there are opinions that the GL-5 rated lube will cause synchronizer problems. The 90-140 acts like 90 weight in cold weather and 140 when warmed up . If your Lucas lube is GL-4, it will work just as good as the Sta-Lube 140. Tom
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| flathead48 | -- 03-13-2015 @ 9:57 AM |
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TomO, thanks for the info, the label said exceeds service level, API GL-4, APL GL-5, so is that good or bad? Thanks, Rick
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| Old Henry | -- 03-13-2015 @ 12:17 PM |
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Ford specified S.A.E. 90 for transmission. That's what I use. Works fine. Especially in the winter.
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