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Any Ford Flatheads using a Potvin 425 cam?

Discussion in 'The Hokey Ass Message Board' started by dmarv, Dec 26, 2008.

  1. dmarv
    Joined: Oct 10, 2005
    Posts: 977

    dmarv
    Alliance Vendor
    from Exeter, CA

    I've got a Potvin 425 cam that I'm thinking of using for a well built street engine. It will be a 59AB relieved block with 3-5/16" bore, a 4" crank, .375 Offenhauser heads machined for the .425 lift, and an Offenhauser 3x2 manifold with progressive linkage I've also got a Potvin 425 cam that I need to have Bill Jenks look at it see if it is a good cam. Assuming the cam is good, how well will it work on a street engine? Should I get a cam with a more docile profile?

    Dan Marvin, Owner
    Exeter Auto Supply
     
  2. AnimalAin
    Joined: Jul 20, 2002
    Posts: 3,416

    AnimalAin
    Member

    Badass race profile. The car better be light, with lots of gear.
     
  3. mottsrods
    Joined: Jul 9, 2008
    Posts: 742

    mottsrods
    Member

    Hey Dan, I just finished pulling apart my 8ba and it has one in it. It ran great with 2 94's, and had a good lope to it. I'm gonna use it in the rebuild. But I am gonna go with some Barry Grant Demon 98's on it...3 of them, and make my own headers.

    I would reccomend using it, but only with a stick shift tranny. An automatic would surely bogg at an idle while in gear.

    Mott
     

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