Saturday, December 26, 2009

What weight oil do race (stock) cars use and why?

While I do not know this for a fact, the number that popped in my head was straight 50 weight oil. These engines have no need for the additives that allow it to flow at cold temperatures.What weight oil do race (stock) cars use and why?
There is a website you need to check out. www.nascar.com, there is all kinds of info on there.

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