A Tale of Two Camshafts

If the fan clutch does not tighten, its power consumption is small—only one to two horsepower—but up to 15 pound-feet torque and 10-plus horsepower if it fully tightens. The 1962 model’s 2-inch pipes, even with the off road mufflers, are somewhat more restrictive, and Special High Performance big blocks will approach 6 psi due their ... ................
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