Thanks for the great replys everyone. Its really given me a lot to think about. I'll see about getting some time at the local track come spring and then do some math. The vac gauge sounds a lot like a manifold pressure gauge from an airplane. I'm a commercial pilot by trade, and on many light aircraft you use a combination of manifold pressure(actually manifold suction), engine rpm, and fuel air mixture controls to set power. I have an aircraft mechanic friend that may have an old manifold pressure guage around that cant be used in an aircraft anymore. It would be pretty simple to plumb it in. As for trips to cabelas, I'm sorry to say we dont have one around here yet, but we do have a bass pro shop a couple hours away. I've found my fuel economy is usually better on the way there than it is coming home. I have attributed this to an increase in vehicle weight on the return trip as a result of exchaning light portable money for heavier items like guns and fishing gear.
Thanks again guys
Joe
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Joe
07 F150 4x4 Super Cab Long box. 5.4L, Gotts mod, Flex-a-lite Monster efan, Dynatech long tube headers, true dual exhaust with x pipe and Borla mufflers, and of course the Gryphon. Bushwhacker extend a fender flares, Tech tube wheel to wheel step bars, Piaa HID Shock Lamp moose spotting lights. Morimoto projector retrofit with 55W HIDs.
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