Question about 1985 Pontiac Grand Prix
There are so many variables that affect fuel economy, we could go on for days, but let's check the basics.
I'll assume that you have had the engine properly tuned and that it is running good --- If not start with a good tune-up and oil/filter change.
Anything that increases rolling resistance will hurt fuel economy, such as:
These same things come into play whe trying to improve drag racing performance, so a local racer/performance expert would not be a bad choice to consult with your problem.
Hope this helps, wish I had a magic button solution, but there just isn't one, let us know how it goes and good luck!
Posted on Jun 15, 2008
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Posted on Jan 02, 2017
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