Not Ranked
I don't see how losses would be a percentage. The ought to be a quantitative number, irrespective of the HP the motor makes. Rotating the tranny, driveshaft and rear end is a specific amount of work(Mass x Accel x Dist) which is unaffected by whether the motor makes 150 hp or 650 hp. Having an automatic tranny eats up HP because you have to turn the fluid pump. Maybe on a factory subcompact, the average may be 20%, but they have so little power that using up 30hp to turn the transaxle-slushbox is 20%. I think correction factors on dynos are BS, they are dubius lies generated to protect the ego of the car owner that thought he ought to have umpteen million HP.
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In a fit of 16 year old genius, I looked down through the carb while cranking it to see if fuel was flowing, and it was. Flowing straight up in a vapor cloud, around my head, on fire.
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