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Old 07-04-2007, 09:22 AM
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Cobrabill Cobrabill is offline
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Join Date: Nov 2000
Location: Tucson, Az
Cobra Make, Engine: Superformance 427 Side-Oiler
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Quote:
Originally Posted by fostereast
The 2.73 is a good candidate for a Richmond 5 speed. If you go through the calcs you'll see you can get a braod range of compromise for road racing, streetability and 1/4 mile track.

Sorry but 2.73s & a 5 speed would put criusing rpm over 70 mph.Timing wouldn't even be all the way in cruising city streets.Not a good idea.

I have 3.27s & a WR toploader which was changed by David Kee from a CR.This is the perfect compromise for a 4-speed set-up.

Five speeds:To put 5th gear cruising in the right spot,3.55s or higher.But this gives you a mostly useless 1st gear(3.27 1st & 3.55 rear)I BELIEVE Tremec is making a box with a 2.80 something 1st gear-this would cure that.
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