Off Topic! But?
I'm at a loss to a problem I have, not serious, but even General Motors
Canada does not have an answer. But I bet someone on here has one?
I have a vehicle to haul ole trucks home, [ONLY GENERAL MOTORS PRODUCTS]
a 1986 American Chevrolet Caprice wagon.
It has a Fuel economy {vacuum guage} in dash.
When driving on a straight flat highway, in overdrive, it reads just above
1/3 toward the best fuel economy.
When I pull shift lever to ordinary drive, the economy increases by 50% the
needle closes in on maximum economy. Which suggests I am getting better
mileage in ordinary drive than overdrive.
This happens when tow-baring an ole girl home to the collection or plain
highway driving. It has almost 400,000 KMS or 248,560 miles. Motor never
touched, except plugs and a fuel pump. Uses no oil and power to burn.
Any all suggestions, ideas greatly appreciated.
Regards to all, Don. ppm@dlcwest.com
oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
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