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camgrinder camgrinder is offline
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Join Date: Feb 2004
Location: California
Posts: 921
The DC22 cam has the same intake profile as the DC24, but a smaller exhaust profile. Adding exhaust duration moves the torque peak up. It also increases the overlap. Since mid range performance and passing emissions are a priority, I would stick with the DC22.

Very lean mapping leads to higher NOX numbers. Does your states emission test include a NOX test?
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John Dougherty
Dougherty Racing Cams
Old 02-01-2006, 11:20 AM
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