Camshaft Assistance and Translation |
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Camshaft Assistance and Translation |
Mockmaw |
Jun 12 2003, 09:41 PM
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#1
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Member Group: Members Posts: 163 Joined: 18-March 03 From: Berkeley/San Diego, CA Member No.: 438 |
The camshaft is the last component of my rebuild that I haven't decided upon yet. I'm trying to learn what I can about them so I can make an intelligent purchasing decision. Yes, I know this is a broad topic..
I don't understand the relationship between duration and lift.. what running aspects are changed as a result of increased duration? What aspects are changed as a result of increased lift? At what lift and/or duration should I worry about longevity issues? There are so many numbers out there and the descriptions that go with each camshaft seem too vague. I can stare at the webcam page all day and still not know how different an 86 will be from an 86a or 86b.. or 494, etc etc etc. Can anyone help me or point me towards some resources that will help me translate these numbers a little better? Thanks! |
MarkV |
Jun 12 2003, 11:17 PM
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#2
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Fear the Jack Stands Group: Members Posts: 1,493 Joined: 15-January 03 From: Sunny Tucson, AZ Member No.: 154 Region Association: None |
I am sure someone will chime in but I think high lift short duration cams are designed for high RPM motors. Long duration shorter lift cams make power lower in the RPM band. Or is it the other way around? (IMG:style_emoticons/default/biggrin.gif) At any rate, Type 4 motors (unless highly modified) are not known for their High RPM ability.
Part of the equasion is going to depend upon what you are going to use the car for. If you are looking for driveabilty don't put a radical cam in. |
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