09-25-2011, 03:11 PM
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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: 2,453
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Not Ranked
That's pretty close to what I have. I'm using and Eagle rotating assembly, with SRP pistons. Rod clearances are exactly where they should be.
Still using the Dartp pro-1 heads, with some porting. My hydraulic roller cam is pretty big, with a lot of lift, and really makes cylinder pressure in the upper rpm ranges.
Dynamic compression is about 8.4. That works fine here at altitude. But at lower altitudes it's a problem. Since you live at sea level, I would shoot for about 8.4. It won't go up michy, and can easily go down.
On the chassis dyno, I'm making 510 hp.
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.boB "Iron Man"
NASA Rocky Mountain TTU #42
www.RacingtheExocet.com
BDR #1642 - Supercharged Coyote, 6 speed Auto
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