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Why duration but not lift?

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Old Apr 27, 2006 | 08:18 PM
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Default Why duration but not lift?

May be an odd question, but I am wondering why when a lot of people say what kind of cam they are getting the only say the duration? For ex. 232/232 instead of 232/232 .580/.580

Seems like you would want to hear about both. Help me understand.
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Old Apr 27, 2006 | 08:23 PM
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Because duration will have a huge affect on power and how the car drives and idles. Lift does not that much effect on drivability. Lift is still important though.
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Old Apr 27, 2006 | 09:16 PM
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They both affect cam lobe area, however duration has the larger effect.
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Old Apr 27, 2006 | 09:48 PM
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here's a better answer: because pretty much all lifts for aftermarket cams are in the 500 range. People stay clear from 600's because they don't want that kinda "damage" on their valvetrain, . . . not only do they not spec the lift they also don't state the lsa, . . again because people generally stay in the 112 to 114 range, . . if it was a 110 they'd mention it, . . .and lsa has alot to do with overlap and hp and tq also
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Old Apr 27, 2006 | 10:11 PM
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Yeah I guess I can kinda see that, but I just assume list it all, really helps for people like me that are still learning about cams. I am getting there for sure, jsut kinda wondered why people listed it like that. Thanks
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Old Apr 28, 2006 | 08:59 AM
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People are lazy plain and simple. Plus I think a large percentage of people who mod cars car know very little so don't even realise that they are stating only part of the info.
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