10-31-2002, 09:23 AM
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CC Member
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Join Date: Mar 2002
Location: so cal,
Cal
Cobra Make, Engine: I used to fix them for a living
Posts: 2,563
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Not Ranked
Big duration cams need compression to work right. At lower rpm's they don't build as much cyl pressure. I have gone through 4 cams on my 396 in the last 10 years. Started small, then went big, then backed it down a bit, now I have the smallest duration cam the motor has seen yet. It is more fun to drive, but it idles really smooth. Quarter mile times never changed as much as I thought they would, but the "seat of the pants" impressions sure changed. Everything in a motor has to work as part of a combination, so blanket recommendations for what cam you might be happiest with gets tough. I like tons of torque for passing without downshifting, it's more fun than peaky high rpm HP.
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In a fit of 16 year old genius, I looked down through the carb while cranking it to see if fuel was flowing, and it was. Flowing straight up in a vapor cloud, around my head, on fire.
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