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ROLLER ROCKERS

Yesterday's Tractor Forums
Worth every dollar if you are buying Murphy"s
You will most likely see the benefit in torque.
I run them in a 460 gas and i really helped it.
 
Your increased power came from the different rocker ratio, but what if you swapped using stock ratio. Any difference? I may use a new puller cam. Any advantage to running Murphy's then?
 
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