Quote:
Originally Posted by Badmojo
For a point of reference. I've been using Valvoline MST 5W-40 (DEXOS 2) in my ZL1 and oil sampling at every change. It has been basically flawless. The only flag I had was from some fuel dilution from taking a cold sample. The viscosity change for the 1LE is based on the potential for higher cornering forces. I've regularly hit 280 F oil temps during long track sessions.
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Blackstone labs saves $$ for more oil changes.
I skipped Valvoline because I suspected you guys were already running it.
