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Old 01-20-2012, 03:51 PM   #4
72_gmc_suburban
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Join Date: Aug 2011
Location: Danville, CA
Posts: 5
Re: Propane-powered big block GMC

Quote:
Originally Posted by Shyguy View Post
A lot of farmers here run propane powered engines on the irrigation pumps because propane does not contaminate the engine oil like gasoline does.
Yeah, he mentioned going 20k between oil changes, which I thought was odd. I care less about the condition of the drivetrain than I do the body, so I didn't worry about it too much, but sounds like that might be normal?
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