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Old 03-05-2005, 08:32 AM   #7
machths
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Join Date: Jun 2004
Location: Snellville, Ga
Posts: 3,029
Re: Important Information About Mobile 1 Synthetic Motor Oil For Mach 1's

Quote:
Originally Posted by 04VAMach1
It meets or exceeds specs, but the language used by Ford states that all of their newer gas motors should run 5w20 or risk voiding the warranty. I personally think that it could be challenged, but I wouldn't want to go through the trouble of finding out.
I agree, it's just not worth it. I'll be changing mine back next go around. Thanks for the info!
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