11-07-2007, 02:20 PM
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#14
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Registered Member
Join Date: Nov 2007
Posts: 228
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I think I might spring for it sometime next year when money improves, but what I question is... Does one somehow drive better after installing these, and is this the actual factor that contributes to the increase?
Because on my 3/4 tons, on my '86 removing the tailgate increased mpg, but on my '95 it did not... The 86 has since been sold, but that was my first truck I removed the tailgate on, and then and now I wonder, did it make me drive better since I was already hoping I would get better mpg, and if so, is this what actually did it?
One figures by the time I got to fooling with the '95 it didn't affect my actual driving anymore, but there is a marked difference between the styling of the two (the 95 is far curvier than the 86 was). Oddly enough, the '86 got way better mpg than the 95 does, even thou the later model has a bigger engine it's also MPI (vs. carb'ed).
It can't hurt, the way I see things is I'm breaking up the flow of air before the rear of the car has a chance to suck it in. What I question is, why not let the air flow as it should in the first place, doesn't the airtab itself create just that amount of drag it in turn saves?
It strikes me like one of those vortex impeller tornado things one supposedly sticks in the intake to 'atomize' fuel or what have you...
Stranger still, this Audi race car uses a similar type of flaring near the fenders...
Although it appears to simply be for down force:
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A FE gauge should be standard equipment in every vehicle.
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trebuchet03 
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