rough idle cam
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Joined: Aug 2006
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rough idle cam
Im looking to buy a different cam something that will give me a rough idle. I found one in Doug Herbert catalog I dont have the exact specs with me but there is two cams there that I want to get. I Want to know what gives you the rough idle more dur. or less dur. or the lobe seperation.
Posting Guru
Joined: Mar 2006
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From: fargo, nd
and bad low end torque, and the need for stall converters, and the need for expensive valvetrane, clearance checking, bigger intakes, etc. an engine is a system- you change one thing- like a cam- you have to change a whole lot of other things with it to get it to work.
Postmaster
Joined: Dec 2004
Posts: 2,941
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From: Maple Valley, WA
Well instead of Talking crap, Ill give you some real info. I had a 302 with a comp 270h magnum cam, it was a regrind from delta cams and with lifters it was less than $100. It had a great sounding idle, especially with my Gear drive and dumped turbo muffs. The specs were 270*/270* adv dur. 224/224 @.050 and .500/.500 lift 110 lobe sep. There was a slight loss of REAL low end torque, but the thing really hit hard around 2500-3000 and pulled all the way to 6000, all through stock early heads. The idle starts to get choppy around 220*@.050 with 110 lobe sep on cams, but it also depends on your engine. A 270h would be an awesome cam in a 351w, but wont have as much of a chop as a 302. If you are looking for chop, the higher the @.050 combined with the lower the Lobe sep, will increase the chop.
Junior User
Joined: Feb 2007
Posts: 91
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From: ida,va.
check into comp cams new series called "thump r " cams. Supposedly,they have good "chop" without sacrificing your bottom end torque. I personally have not used them,but they advertise this as being great sounding cams while keeping your power where it needs to be.
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