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Re: [GMCnet] Keeping it Real, 8 to 10 mpg [message #172626 is a reply to message #172575] Fri, 08 June 2012 17:09 Go to previous messageGo to previous message
Jim Galbavy is currently offline  Jim Galbavy   United States
Messages: 1443
Registered: August 2007
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Senior Member
Kevin,

When I first got my GMC on the road I was getting 12 mpg. I have a 1973 26' with a 455 flat tappet KOBA from JimB. Problem was it was so lean that I was afraid I was going to burn a piston. Riched her up a bit and I'm still getting gene's 8-10mpg. (but not on the drag strip).

jim galbavy
'73 -CL ANNIE
Lake Mary, Fl
 
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