05-06-2016, 11:02 AM
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Senior Club Cobra Member
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Join Date: Feb 2007
Cobra Make, Engine: KMP 539, a Ton of Aluminum
Posts: 9,592
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Quote:
Originally Posted by cycleguy55
No problems getting mine rolling, even with a 2.75:1 FDR. OTOH, I have a mild 460 CID and a 3.28:1 first gear (Richmond Street 5-Speed). Obviously this would be a much different situation if the cam had significantly more duration and less low-end grunt.
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You have a large advantage with that 1st gear in terms of torque multiplication:
You
3.28x2.75=9.02
AC Ventura
2.78x2.88=8.00
Generally, you would want to be somewhere at least in the 9's. 8 is just not enough for good starts, without wearing out your clutch. |
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