Quote:
Originally Posted by Ss7617
I have a 18 zle. When on track and after the first session the diff starts shuttering or chattering on left turns only. 6m car. Car has 8k miles and 4 diff oil changes w factory oil. I just changed it and went to track with same issue. Any thoughts?
Thanks scott
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For one... I only use Amsoil on my ZLE A10 and I change the fluid pretty much before each two-day track weekend (it helps having a lift, shop and a pump mounted to a 5-gallon pail full of the stuff...). In all of my abusive 13k track & mountain road driving with 20K total miles... I have never had the rear end chatter.
The ATF going through the eLSD is coming from the transmission, being pumped from your M6, to the engine's cooling radiator, then down to and across the lower Aux Heat Exchanger (LAHX) before it makes the long really hot trip past the header/cats/tunnel to the eLSD to do more work, BEFORE going back to the transmission.
SO... if your using the Mobil1 or GM fluid for this and that fluid is OLD, it already starts out weaker than quality hydraulic fluid and could be causing the issues you are experiencing. My suggestion is switching to the
Amsoil Signature Series fluid. Changing fluid alone will improve shifting as well as lower it's operating temps with greater hydraulic compressibility for the eLSD. I think this will solve your issues.