Quote:
Originally Posted by olddog
Well the cost verses benefit on the roller cam is a personal choice.
At least in theory, the roller lifters allow a steeper ramp at both ends, thus the valve can be opened quicker and held open longer (because it can be close quicker). So a roller cam is the solution to your problem. It would act like a bigger cam, without sacrificing manifold vacuum. Again you have so many cid to make power with, you may not need or want it.
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Fully agree. Plus, of course, the roller cam allows you freedom to select the motor
oil of your choice without worrying about low ZDDP and/or wiping out a lobe.
Quote:
Originally Posted by olddog
I haven't a clue what gearing and tires you are running, but I'm surprised you can hook that monster to the ground.
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That was the thought I had, when I saw "I did a couple of full throttle pulls up to 4500 rpm in 2nd gear yesterday." I would think 'full throttle pulls' in 2nd gear would break the tires loose unless running wide, super-sticky rubber, perhaps even then.