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Message: [QUOTE="Extended Power, post: 1318771, member: 898"] The specs I posted are the RCD new cam specs. The thing is...Chris says he can do more with less, but I think all he is doing is taking away the duration from the intake valves opening BTDC. Say you have a cam that says it has 210* of intake duration...it might: Start to open the intake valve 15* before top dead center. Stays open for the intake stroke, 180* Is closed at 15* after bottom dead center. 15 + 180 + 15= 210* of duration. If Chris' cam starts to open the intake valves at 0*, or top dead center...and the lift on his cam has say .010" more lift...his is doing more with less. I also think that is why he is only making one cam for this, and one for that. (Ported/unported) The rpm range will only be in the stock rpm range...up to 34-3800rpm. If you wanted more rpm...then you need a different camshaft. My stall is 2400....do I want to only rev to 4000 rpm??? Nope. I want a wider power band then 1600 rpm. It's like he is choosing to pick the low hanging fruit, by making a couple of camshafts that will be more efficient at low rpm, but lose top end power. But...90% of diesel truck owners use their trucks for hauling...not racing, or high performance. I could be way out in left field...so don't take any of this too serious...I'm just trying to get as much information about different cams as possible. Maybe Chris will jump in, and clear it up for everyone...including me.:D [/QUOTE]

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