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Kevin,
I completely understand on the setup aspect. We have a dirt late model so we go down that road daily. We took a Kirkham to the Run and Gun several years back. We scaled the car and set it up for what we were using it for and it was killer. If you have spent time in a sprint car I know you know how to control wheel speed. We normally prefer a solid roller on our 460 engines. We have some street roller lobes that we like to use that are much easier on the lifters at low rpm's than the race lobes. With the engine dyno starting its dyno pulls at Max Volume Efficiency (Max torque) it is hard to make really low pulls. We have been able to pull them down as low as 3000 in the past. These big blocks will still make around 550-600 ft/lbs torque at 3000rpm.
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