Jeff Smith

Ask Away! with Jeff Smith: Exploring Parasitic Power Loss in an Autocross Car

I have a small-block, four-speed ’71 Camaro that I race in autocross. How much horsepower do the following items use on a small-block at 6,000 rpm? Even a guesstimate would be great. Thanks. Flex fan – 18-inch diameter Alternator Water pump Power steering pump Exhaust 2 1/2-inch exhaust tubing with Flowmasters TKO 600 transmission G.L. I have

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