Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - Horsepower loss between crank and tires?
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Old 09-25-2003, 01:23 PM
Animadverto Animadverto is offline
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General rule is 20% for auto, 15% for manual.

Aluminum flywheel, carbon fiber driveshafts, aluminum wheels also make a significant difference.

Especially everything that is BEFORE any gear reduction. Such as flywheel weight.

In a 4.11 car, a 1 lb lighter driveshaft is equal to taking 2 pounds off of each rear wheel. And depending on your transmission, lightweight pistons and a light rotating assembly can be worth more than 10 times their weight in rear wheel torque.
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