Re: OT gas mileage box
Smokey's article was in Popular Mechanics.
I was in Daytona when they were looking at the car.
It centered around a Turbo Charger that he used as a 'Homogenizer' (don't ask me quite how it worked, he never explained fully, and I never figured out how he did it).
He heated the intake charge, then ran it through a 'Turbo'. ('Homogenizer')
It was installed on a Dodge Omni GLH with 2.2 Liter crap Chrysler engine.
(Henry always said GLH stood for Goes Like Hell).
That little Omni could run with the Buick Grand National at the time, and the GN was the quickest new production car at the time.
GN was even Quicker even than the Corvette.
The little Omni/ Horizon could run with a Corvette in the 1/8 mile...
The Omni was as aerodynamic as a brick, so anything past 50 MPH and the little car started to suffer badly.
I beat my brains out trying to reproduce what he had done for Jasper Engines, and even with his notes we couldn't even come close.
Ed Rice was one of the original engineers on the project, and even with his help we couldn't reproduce the results.
Ed has worked with Henry for over 50 years.
I've known Ed for 35 of my 41 years (he's known me all 41), he's my mentor, friend & sometime business partner, and he's never lied to me.
He says Henry did it, and I believe him.
Smokey has a long history of pranks, (the 7/8 scale NASCAR for one... that was COOL!), but I personally don't believe this was one of them...
I saw the car, was allowed free access to every part of the car, and I saw nothing that would indicate a hoax.
No extra fuel lines, no N2O lines, no sweet gas in the tank (89 octane pump gas), no trick aftermarket engine parts except for the turbo, and that was an off the shelf Garrett Air-Research unit with pretty normal size compressor and turbine shells...
I don't think it was a prank, I think he actually did it, but I just am not smart enough to figure out how.
It's all about 'Brake Specific Fuel Consumption'.
How much fuel your engine consumes for the amount of usable horsepower delivered to the transmission input shaft.
We measure everything, air inlet volume, temp., density, moisture (both humidity and decompressed in the intake tract), velocity, fuel temp, flow rate, true octane ratings, additives, volume, pressure, manifold pressures at plenum sides and at each runner, combustion temps, combustion rates, exhaust temps. (at each exhaust port), exhaust temps in the tubes, exhaust velocity, exhaust composition, ect. ect. ect....
As for the 'Mystery' fuel milage gadgets, none of them work...
Magnets, screens, electrical gadgets, fuel shut off valves, 'Vortex' gadgets that are supposed to spin the charge, $10 a piece spark plugs, I've tested them all on a dyno and none of them work.
Things that do work...
Annular discharge nozzles on the venturi booster. (better atomization, better fuel milage & power. Lets here it for fuel injectors)
Correct ignition cycling and components. (Firing at the correct time, and getting usable spark energy to the plugs)
Proper fuel metering. (not too rich or too lean, even when cycling the accelerator pump)
Thermal control. (not letting too much of your energy escape as heat, or allowing internal parts to over heat)