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#3414123 - 07/04/14 12:39 AM what gear oil for 1930 model A transmission?
Cjsporl Offline

Registered: 05/27/14
Posts: 26
Loc: New Jersey
Hey guys I'm wondering what I should be putting in a 1930 Model A transmission and differential. Trans and Differential are original. but the gearbox grinds pretty bad at this point. Any recommendations?

#3414134 - 07/04/14 12:59 AM Re: what gear oil for 1930 model A transmission? [Re: Cjsporl]
FL_Rob Offline

Registered: 06/03/09
Posts: 1492
Loc: gulf coast FL.U.S.
Check this out,i'm sure you're already a member here,though.Very interesting stuff.

#3414439 - 07/04/14 11:58 AM Re: what gear oil for 1930 model A transmission? [Re: Cjsporl]
4wheeldog Offline

Registered: 04/23/12
Posts: 1251
Loc: East Mountains, NM
I wonder if anyone has tried Redline shockproof Heavy in this application?

#3414589 - 07/04/14 02:48 PM Re: what gear oil for 1930 model A transmission? [Re: Cjsporl]
MolaKule Offline

Registered: 06/05/02
Posts: 16361
Loc: Iowegia - USA
I would use SuperTech non-synthetic 75W140 unless Amalie has something for it.

I would not use a synthetic in either unit unless I knew all of the seals had been upgraded with modern seals.

Edited by MolaKule (07/04/14 03:00 PM)
It wouldn't be the Holidays if it weren't for the Turkeys, the Fruitcakes, the hams, and the mixed nuts. But enough about my relatives. smile

#3414652 - 07/04/14 04:26 PM Re: what gear oil for 1930 model A transmission? [Re: Cjsporl]
38Chevy454 Offline

Registered: 06/28/12
Posts: 28
Loc: Albuquerque, NM
The trans is non-synchro, it will always grind some. I think any std 80W-90 type gear oil is fine, or the 75w-140 as suggested. It is just not a real critical application.

Edited by 38Chevy454 (07/04/14 04:29 PM)