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Old 09-27-2023, 03:27 PM   #21
Greg83
 
Drives: 2023 ZL1 M6 Sharkskin
Join Date: Nov 2020
Location: IL
Posts: 219
I just left my dealership today. They used my vin number on my 2022 SS-1LE (same E-Dif as ZL1) to look up the correct dif fluid. They said to use the synthetic 10-4016 and add the friction modifier. The parts guy wasn’t sure but he didn’t think the 10-4034 (with the modifier already) was synthetic.
The saga continues!!!
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2019 Porsche 911-T M6-SOLD
2020 Crush ZLE A10-SOLD
2023 Red Hot ZLE M6 ordered 5/9/23, never built
2022 Shadow Grey 1SS-1LE M6-SOLD
2023 Sharkskin regular ZL1 M6-SOLD
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