Thread: Air Filter Calculator
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Old 02-07-2015, 09:14 PM
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55312 55312 is offline
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Cobra Make, Engine: E-M 427 Top Oiler stroked to 482 by KC, Stage 2 heads, a Quikfuel and Voila, 640 hp
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I did this test with an Extreme Top K&N on my 427 before I had it stroked. The difference was...............1 HP less with the air filter in place. The real loss is going from the flywheel to the rear wheels.

Tim
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