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Old 02-04-2009, 06:10 PM   #44 (permalink)
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Not to throw in a tangent but on most newer cars a warm intake improves mileage.

Couple this with water and you have a winning combo.

The way I saw it done was to have a controlled water drip and shroud around the cat area or manifold and duct your intake to suck the steam and warm air in, it gives mileage benefits (which I believe we here would be looking for) without modifing anything electronic related. You do normally get a drop in performance but the mileage gain is fairly consistant as pumping losses get reduced without fooling the O2 sensor.

The main reason to use steam and not water is obvious, it isn't as dangerous if overdone, although it is possible to overheat if your motor leans out too far in the wrong weather.
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