02-02-2008, 10:09 AM
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CC Member
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Join Date: Feb 2007
Location: Colorado Springs,
CO
Cobra Make, Engine: Backdraft, supercharged Coyote
Posts: 2,454
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Not Ranked
I did the 4" stroke, and 4.125 bore. Less stroke means less side loading and higher rpm's. I had Mike Forte put mine together with an Eagle kit. It makes a really flat torque curve at about 450ft/lbs on the chassis dyno.
This is kinda odd, though. I replaced a stock block 427 with the Dart 427. That engine had a nice cam that made solid power to red line. I put that cam in the new engine, and it fell on it's face. Replaced the cam with something differant, it woke it up. Why did that happen? I have no idea.
The car runs great. Gobs of torque. Really fast out of the corners. On the rare occasion I take it to the drag strip, it doesn't do well. The best I could get is 12.04/112. Just can't get traction. But it's not really set up for the strip; it's set up for the road course.
Last edited by bobcowan; 02-02-2008 at 10:11 AM..
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