Thread: What's your enjoyable HWY cruising RPM?
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Old 04-16-2009, 12:32 PM
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patrickt patrickt is offline
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Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
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Quote:
Originally Posted by jhv48 View Post
Something is missing in this equation.
My rough, back of the envelope, calculation for typical Cobra tires (295-50-15) with a 3.70 rear and a .68 gear ratio shows around 122mph at 4000rpm.
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