Forum Discussion

Rlarue's avatar
Rlarue
Explorer
Mar 08, 2016

Using a vacuum guage and gear selection towing for best MPG?

I tow a 2014 KZ Spree 260RKS, loaded weight close to 7,000 lbs, with a 2004 Ram 1500 5.7L Hemi. I have a vacuum guage installed and tapped into the manifold vacuum. I have not been able to resol...
Tow Vehicles
Chuck_thehammer's avatar
Chuck_thehammer
Explorer
Mar 08, 2016
slow down... lower rpm's WITHOUT Lugging.

as already stated, Vacuum gauge is old school FOR old school fuel delivery systems.

and I am OLD SCHOOL, retired auto mechanic. and yes I understand fuel injection and computer controlled systems.

best way for better fuel mileage. loose the weight.. and then better aerodynamics

I get 9 mpg.. with trailer... 17,000 pounds total.

in 1968 my 1965 Impala SS with 409 got 10 mpg.. just a car at 3,600 pounds.

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