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Old 07-25-2006, 05:12 AM
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Clois Harlan Clois Harlan is offline
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Join Date: Dec 2000
Location: Broken Arrow. OK ( South Tulsa), USA, OK
Cobra Make, Engine: 66 COBRA FE 427 /4SP. (HCS Coupe w/ 408 Stroker and TKO 600 -sold)
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Well here is another point you might consider. I started out with a 3.70 : 1 behind my toploader and I couldn't drive the freeways and expressways below 4000 RPM. I switched to a 3.50 and now I can run 70 mph at about 3200 RPM. A good friend of mine just went down to the 3.31 :1 rear gears and loves it. He cruises at 2500 RPM and has no problem going through a parking lot or school zone with loping or slipping his clutch.

These FE engines have tremendous torque and if you get your gears to low then all you are going to do is spin your tires (not a good thing on a road course coming out of a tight turn). As for drag racing I can turn the mid 11's with my set up as long as I don't go crazy coming off the line. It's easy to make smoke from your tires with any of the gears mentioned but I think our engines will live longer running either 3.31 or IDEALLY a 3.42 : 1 ratio. I would go for the 3.31 gears.

Clois
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Last edited by Clois Harlan; 07-25-2006 at 05:14 AM..
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