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Re: [GMCnet] 4.8 MPG. [message #324088]

Wed, 20 September 2017 21:01

BobDunahugh

Messages: 2465
Registered: October 2010
Location: Cedar Rapids, IA

Karma: 11

Senior Member

That's the MPG range I got too with the carb. Got about 7.5 mpg with a 17000 lbs GVW over 538 miles to Elkhart. Time will tell with more miles. Extremely pleased with the Howell EFI. Next to add the EBL so I can read instant MPGs, and go to the 16.5 fuel mixture in the lean burn mode. Bob Dunahugh
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