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Carroll got it up to 170mph on the Goodyear test track and the car has 4:11 gears....how many rpm was that thing turnin'? Got any idea Charley?
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Well, I'm not Charley, but I can answer that question...
Not knowing the actual height of the tires in question, I took a WAG and plugged 26" into the equation.
In order to run 170 MPH with a 26" tire and 4.11 gears, the engine would have to turn a little over 9,000 rpm, assuming a 1-1 final drive ratio and not taking into account any tire growth at speed.
*edit* using a 28" tire, it would take a little over 8300 rpm, FWIW.
That's wingin' it pretty hard to say the least.
Eric
(p.s. The formula is MPH X Gear Ratio X 336 [constant] / tire height.)