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Delo Syn-Gear 75w-90/140 #5008447
02/11/19 11:47 PM
02/11/19 11:47 PM
Joined: May 2017
Posts: 1
JakeMusgrave Offline OP
JakeMusgrave  Offline OP

Joined: May 2017
Posts: 1
Looking at doing a gear oil change on my 1994 dodge ram with the Cummins. Front dana 60 and rear dana 70 with a limited slip. While I'd like to run redline, shaeffers, or amsoil, those are simply out of my price range. How does the Delo Syn-gear look? I've read the SDS ( and can't tell if I still need to add friction modifier. Your thoughts and experience is welcome. Thank you.

Re: Delo Syn-Gear 75w-90/140 [Re: JakeMusgrave] #5008494
02/12/19 03:30 AM
02/12/19 03:30 AM
Joined: Jul 2013
Posts: 481
D/FW Metroplex
The_Nuke Offline
The_Nuke  Offline

Joined: Jul 2013
Posts: 481
D/FW Metroplex
Should work just fine without the addition of any friction modifiers, but it wouldn't hurt to check out one of the Cummins or Dodge p/u forums to verify that.

2012 Charger Pursuit aka "The Bacon Hauler"
- 5.7L + NAG1 (A5) + 2.65 (215mm)
Re: Delo Syn-Gear 75w-90/140 [Re: JakeMusgrave] #5014216
02/17/19 05:11 PM
02/17/19 05:11 PM
Joined: Aug 2006
Posts: 492
Central Valley, CA
e55amgbenz007 Offline
e55amgbenz007  Offline

Joined: Aug 2006
Posts: 492
Central Valley, CA
The Delo is excellent stuff. Autozone has it for $6.49 per quart here in California.

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