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Qman
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Originally posted by snotrocket

Cam lope=lopey idle=a lot of cam overlap, causing gas reversion at low engine speeds. Both valves are open a longer than stock amount of time. You've got exhaust gasses mixing with fresh fuel charge, maybe some exhaust making it up into the intake, and some unburned fuel going out the exhaust. This equals a lumpy idle. "Why do this?" you ask. Well, it can equal a lot of horsepower at higher engine speeds.

You know all the noise a big horsepower v-8 makes at idle? That lumpy nasty sound? Followed by a defiant roar when the throttle is mashed? Same thing, little motor.

 

Thank you, snotrocket, and everybody else that answered.

 

To paraphrase, cam lope is that really sweet sound:D

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