Quote:
Originally Posted by RedDevil
Cars that have EGR don't benefit much from a hot air intake. I only detach my snorkel when around or below freezing. Without my LGB the effect is almost nil.
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The Karen-Mobile seems to benefit pretty well from the heater core-based WAI I finally hooked up this past Sunday. Since then, ambient air temperatures have varied between 24 and 38 F, and intake temperatures have varied between 88 and 95 F. According to its UltraGauge, per-tank average FE went from 21.0 MPG to 26.1 MPG. I will do a fillup tonight when I commute back to home, and find out what the true per-tank FE will be.
Point being, the Karen-Mobile's engine is equipped with EGR, and it does well with a HAI.