Thread: 425 potvin cam idle rpm
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Old 07-02-2014, 04:02 PM   #2
36fordguy
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Join Date: May 2010
Posts: 74
Default Re: 425 potvin cam idle rpm
I have a Howard M14 that is a radical cam and it idles at 950 to 1000 rpm. I had a fuel dragster with a Potvin 425 , on the can of nitro it would idle at about 1200
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