07-21-2006, 04:00 PM
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CC Member
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Join Date: Feb 2002
Location: Gilroy,
CA
Cobra Make, Engine: West Coast Cobra w/ Centrifugally Blown Big Block, Pickles, Onions, on a Sesame Seed Bun.
Posts: 493
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Not Ranked
Cam selection
So you want a smooth idle like a production car in a Cobra?
You'll have more bottom-end grunt than the tires can connect regardless. Personally, I'd go with more duration, a more agressive idle lope, and shift the power band up 500-1500rpm so you can get some power out of it.
216/224 at .050 is a tiny cam. Sleepy really. I bet the power peaks by 4800rpm. Yes it'll have a smoother idle. Yes, it'll make explosive low-end torque in a narrower band. But, it'll all be over well before the rpm capabilities of the engine have even been explored.
I'd be looking for something more along the lines of a 230/240 at .050 and would recommend running various cam choices through a simulator before you decide.
My little 435" has a 242/256 at .050 and should peak by 6300 in a NA application. With 25 more cubic inches, I bet it would peak around 6K...which is closer to what I'd shoot for if you want to get power out of it.
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