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116 0312 Test 07 Z

116 0312 Test 07 Z

Pipes for Power
Large-tube headers merely move the torque peak higher, which generally costs low and midrange torque but benefits high-rpm horsepower. Our test of a set of 1 7/8-inch headers compared to a set of 1 5/8-inch headers on a 500hp 406ci small-block netted a gain of 26 hp but lost big torque at the bottom. View Related Article
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116 0312 Test 08 Z 116 0312 Test 09 Z 116 0312 Test Chart1 Z 116 0312 Test Chart2 Z 116 0312 Test Chart3 Z 116 0312 Test Chart4 Z

 

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