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Originally Posted by george kujanski
The March underdrive pulley...that turn the pump slower or faster at the same crank speed?
George
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It's supposed to be faster. I am going to measure it to make sure it is smaller than stock. I had a hell of a time with pulleys for this car, and even the Marches need some shimming etc.
BTW, I am amazed at how much space there was between the impeller and plate before the hammer treatment. Before, the water kind of surged a bit with the cap off, and now it flows like a river.
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'66 GTO convertible. 462, KRE 290 cfm Dports, SD "Old Faithful" hydraulic roller, CVM ported aluminum Tripower, TKO600, Moser 12 bolt
"I open up three deuces, I'm Never Coming Back!"