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Ty Johnson

June 30th, 2019 4:15 PM

Choosing the right motor oil for new 383 vortec

I just rebuilt my 5.7vortec into a 383 thoughts on what oil to run I'm thinking of Valvoline blue 15w40 I've heard great things but I'm on the fence

kevinkpk

June 30th, 2019 6:41 PM

What did you prime the oil pump with? Depending on ALOT of things, area, driving, pulling etc. Myself, since I pull a trailer, and cold/hot weather I use 5-30 in my 5.3. That is what Chevy recommends. Also in a full synthetic.I'm sure you will get several replies.

oilcanhenry

July 2nd, 2019 9:14 AM

I would continue to use the same oil as before myself.

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