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Hi, Guys, I'm a newbie to this board, but have been on other boards for a couple or three years now, and have been playing with cars ever since I started driving, which was a little past the middle of the last century. These new rockers sound like a pretty good deal, and they should help driveability of most of the cars they're installed in. As a rough rule of thumb, increasing lift produces more torque, and increasing duration produces more horsepower, and usually at higher rpm. So with a stock cam, more lift would give you maybe a degree or two more duration, but what it should mostly do is give you more torque at the same rpm compared to the stock rockers, and more torque should give you better driveability. However, without improving the breathing, you won't notice much real change from whatever you had before. If you're using headers, you should notice an increase in torque, but with stock exhaust manifolds, probably not so much.
Last edited by 99Luminut; 02-22-2009, 06:52 PM.
Reason: typo
I'm still watching this... I have been cut back at work so funds are the greatest now, but if these do come out and end up being cheaper first run I will be buying a set asap... rather than waiting till the price goes up.
I still think 1.8 intake 1.7 exhaust would be ideal for stock cams. Even a straight 1.8 set but I don't think the exhaust needs 1.8, especially on a 3500.
Hey ben, would 1.7's work good for me? I was originally thinking 1.7 on exhaust and 1.8 on intake but since I need them in sets of 12, I would probably go with 1.7 only... since 1.8 will skyrocket my exhaust side of the cam.
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