The other day I threw a quick and simple WAI on the Mirage. Why? Because someone on
MirageForum was nice enough to do some testing on their WAI setup. Its not super scientific, but its better than no testing.
Quote:
I took a trip with the warm air intake and insulation on, then one with them off the engine to get some mpg numbers, then I put it back on and took another trip. Here's what I got:
Trip A - Insulated WAI, insulated snout & airbox, ambient temps 10-20s F, IATs ~145-160 F, 209 miles, 4.394 gallons of fuel - 47.6 mpg
Trip B - stock intake, ambient temps in 10-20s F, IATs 40-60 F, 216 miles, 4.745 gallons of fuel - 45.5 mpg
Trip C - Insulated WAI, insulated snout & airbox, ambient temps 9-12 F, IATs ~118 F, 155 miles, 3.216 gallons of fuel - 48.2 mpg
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So, heck that sounds like a nice gain! I knew I had a piece of
dryer ducting kicking around. However, I didn't remember that it was pretty short, haha. I was hoping to run it around to the back of the engine and suck air off the exhaust manifold. However, it wasn't long enough to do that, so I had to go for the radiator. It was barely long enough to do that, and wasn't able to reach the bottom of the radiator where it gets warm first.
So far, it works about as well as you'd expect. It doesn't get real warm. On my commute today I saw ~20-25F max above ambient temps. This was only well into the trip once the thermostat had opened up. I had to be real careful with using the heat so that the thermostat would open up too with 30F ambient temps. So, I'm definitely not satisfied with the mod thus far. There will be a V2.0 coming.
