Quote:
Originally Posted by SVOboy
Well, the troublesome think about intakes is that every car reacts differently to different temperatures. Some will pull timing with hot air, others won't.
I'm glad you did this test, but I hope others don't take this to mean that "hot air doesn't work" or that "hot air is debunked"
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It's probably entirely based on how the car's ECU is mapped. If it is geared more towards HP output its just going to dump more fuel to try and recover that lost HP(lost air). If it's geared for economy or somewhere in the middle it would see gains. . .
which would make sense with the subaru not showing gains. Their systems are typically mapped for HP over FE.