Quote:
Originally Posted by oldtamiyaphile
At large alternator makes 160A, that's ~2.2hp at full load. Even with all the losses from crank to output, it won't ever take more than 3hp to drive it.
20hp is what it takes to drive a whole small car at freeway speeds.
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Memory is hazy. My bad, I believe it's about 20 with everything, including AC.
I recall one dyno we did where turning on all the electricals sapped some 5 horses (on a small car) from the wheels. But that's everything on except AC... which you won't be doing a lot of.
Still... I don't think it's worth it.