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Reply to "Ricardo"

I ran the tractive effort numbers and I seem to remember that for the same engine the ZF-2 with the 4.22 had around a 17% advantage overall. Of course it varies by the gear. Therefore a stock Ford GT motor with a ZF in a Pantera with 17 inch wheels had around the tractive effort of a Ford GT motor running a 17lb pulley on a 3rd gen whipple supercharger and a Ricardo in a Ford GT.
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