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Old 03-15-2005, 08:18 PM   #19
bris09
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Join Date: Oct 2004
Location: Middletown, PA
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Re: Important Information About Mobile 1 Synthetic Motor Oil For Mach 1's

Quote:
Originally Posted by orangemachracer
someone let me know something when i brought my car to ford they told me flat out that running a full synthetic in the mach is not a good idea is this true or was he bs me.so i have fords oil in it as of now which i beleive is partially synthetic.should i change it to full or not
They were somewhat right. Until the engine is broken in, you don't want to use a full synthetic. It will prevent the engine for breaking in properly, it won't let it wear. By your second oil change you should be broke in and ready for full synthetic. Some even recommend not changing over till 10,000 miles.
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