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CamP · 09-21-2016

An excellent oil, with plenty of Phosphorus and Zinc for our cars' flat tappets, is Shell Rotella T6 Synthetic 5w40. It's only $5.50 a quart.

It's very popular among motorcycle racers with flat tappet engines. DOHC 4-stroke motorcycle engines have very similar valve train architecture to the LT5 so the oil requirements are essentially the same.

09-21-2016	#5
CamP Join Date: Jun 2012 Location: fort worth Posts: 181	Re: Which oil do you use An excellent oil, with plenty of Phosphorus and Zinc for our cars' flat tappets, is Shell Rotella T6 Synthetic 5w40. It's only $5.50 a quart. It's very popular among motorcycle racers with flat tappet engines. DOHC 4-stroke motorcycle engines have very similar valve train architecture to the LT5 so the oil requirements are essentially the same. Last edited by CamP; 09-21-2016 at 09:50 PM.