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Old 06-21-2019, 07:40 PM   #5
SFV1LE

 
Drives: 2018 Hyper Blue ZL1 1LE
Join Date: Dec 2018
Location: CA
Posts: 1,365
Dont use Zinc additive. If you want to run high ZDDP use this on the track, M1 0w50:

https://www.summitracing.com/parts/m...UaAiCcEALw_wcB

It's M1, which is what we're supposed to run in ZL1s. And it has very high Zinc over 1850 PPM I think. 15w50 has 1300 PPM.
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