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Old 10-29-2013, 08:18 AM   #16
Firefighter


 
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Drives: Black '13 2SS/RS/1LE w/NPP/NAV
Join Date: Oct 2012
Location: Tampa by way of Miami...
Posts: 4,934
Quote:
Originally Posted by Synner View Post
My only concern is that it recommends non-synthetic oil and there's a lot of heat buildup during a track session. I bought a spare case to build up a rear but I don't want to put it in until I can get the Z28 diff cover and run a cooling system for added insurance with a torsen style diff.
I've been running synthetic in my dime for the whole time. No ill effects.

There is nothing but metal in the unit I can't see a reason to NOT use synthetic.

I do know back in the 4th Gen days there was a complaint of a "rusty nail sound" what ever that is. The solution was to run friction modifier for a clutch differential.

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