Quote:
Originally Posted by Mikem53
Yeah.. We all feel the improvement in power when it's cold out..which is why the OP started the thread.. But the pseudo internet scientists must tell us we are all wrong and try to explain.
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Ah yes, the notoriously accurate butt dyno.
It's probably just the lower rolling resistance of those summer tires in the cold.....
If there is an effect from ambient temperature then the effect should be even more noticeable with higher elevation and lower air temperature. A simple winter v summer acceleration test in Denver should establish the power gain. If the same test in San Francisco produces no acceleration advantage in cold weather then the question will be answered.
Or somebody could ask a dyno operator what they do about adjusting for ambient sir temperature and barometric pressure when they calculate your ( probably phantom) whp gains from your CAI.
There's nothing pseudo about the Internet.