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post #8 of Old 01-09-2013, 05:25 PM Thread Starter
Senior Member
Join Date: Jan 2013
Location: Oregon
Posts: 443
This is the first time I used Mobile 1. I read very good reviews on it at bob the oil guy forum, so I though I would try it. I alway have used royal purple in my 70 Mach 1 with a 500+ hp 418 Windsor motor. RP is very good oil but it is very expensive and I don't like the color. I put Mobile 1 in my Mach 1 also. Ill see in the spring if I like it in the 418W. Motor Oil 101 - Bob is the Oil Guy
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