Quote:
Originally Posted by gotswap
I think all LT4's should be using 0w40 2dexos 5w30 was superseded by it
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You can use the 5-30 dexos as a substitute if the 0-40 isn't available. 15-50 were ZLEs for track use only and was to be switched immediately back to 0-40 after tracking. I'm sure dexos 5-30 is just fine otherwise. I imagine the 0-40 dexos2 is for the PVC and DI playing well together.