Quote:
Originally Posted by Daox
Nope, it keeps the ratio at stoichiometric. The result is lower power output for a given throttle opening. To maintain speed, you must therefore open the throttle further. This decreases pumping losses which increases efficiency. Also the warmer air promotes a faster burn I believe, which leads to higher peak cylinder pressure and additional torque.
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If it does produce higher peak cylinder pressure, wouldn't that also accomplish one of the goals of advancing the timing a couple degrees?