TrueTrac gear oil - synthetic or no?

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Jul 17, 2013 | 11:48 AM

#21

KC_kid

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From: KC

I've read a lot of people who run synthetic with no problems. I've also read of people having noise, clunking, and the unit not transferring torque properly while running synthetic and switching to conventional fixed the issues. I've seen it on PT.net, ls1 truck, titan forum, SVT forum, mustang forum, chevelle forum...

I'm no differential/locker/LSD expert and I don't have the experience, training or knowledge to argue about gear oil. I chose to follow the manufacturer recommendations.

Jul 18, 2013 | 04:10 PM

#22

black00chev

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From: Warrenton, VA

Quote:

Originally Posted by 1994Vmax

No clutches in a tru trac either and i know how they work thanks... hence why i would never buy one... Eaton specifies conventional in any of their units actually. ... beyond the gov junk that they also build for gm. The locker is spring loaded gears and they give the same friction bunk statement like the tru trac. They say the stupid too slippery thing causing poor engagement. Has anyone ever even tried synthetic on here or not.