Take some aluminum dryer hose and have it suck up air from around the exhaust manifold.
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About the effect of WAI. Beside of the already mentioned reasons I can think of two others why it should work:
- fuel evaporates better when mixed with the warm air=> better efficiency=> lower fuel consumption - the engine warms up a bit quicker when warm air is 'inhaled' (but this effect will be very very marginal I admit). |
well the "aluminum dryer hose" is a stock item on my engine
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I'll chime in. Don't much anymore but eh.
The gears can help in town depending on your situation. I plan on going from 3.55 to 3.92 in my truck to help with the city mileage because of where my OD/lockup point happens to be in relation to the local speed limits. Currently I can get it to lockup above 42 no problem and it can go as low as 38 if I REALLY watch to make sure the TPS doesn't click over to idle since locked in overdrive at that speed is about 1025rpm. If I go to the 3.92 gears I can hold overdrive down to 35mph which means instead of climbing 4 miles of road home speeding 7mph over to hit lockup I can stay only a mph or two above the speed limit to get home in it. There are also a few 40mph roads I normally use where traffic hangs just under the 40mph speed limit so I get to cruise 37mph getting 13-15 mpg instead of 42 mph getting 18-21. |
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Yeah, if I was towing or heavy hauling all I have to do is rip off the duct tape, and put the lid back on the air box. it can be switched back in less than a minute. I often drive with a full truck, but its generally not much weight, and I've never towed with it. I always buy vehicles with towing packages mainly for the upgraded brakes, suspension, transmission cooler, and oil cooler. Often the towing package may include an upgraded alternator as well.
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