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438hp Flathead...

Discussion in 'The Hokey Ass Message Board' started by Ryan, Aug 7, 2007.

  1. Rand Man
    Joined: Aug 23, 2004
    Posts: 5,350

    Rand Man
    Member

    I agree, Elrod. I've been thinking of a similar setup.
     
  2. DeadFast 33
    Joined: Feb 3, 2003
    Posts: 649

    DeadFast 33
    Member
    from Santa Cruz

    Ryan HELP!!!!...... I can't figure out how to make the video?????

    FLIP
     
  3. Flat Ernie
    Joined: Jun 5, 2002
    Posts: 8,406

    Flat Ernie
    Tech Editor

    Heard through the grapevine that it was on a chassis dyno, so those numbers are rear wheel HP number - through an automatic if I'm not mistaken (C4?).

    I don't believe the French blocks can be bored anymore than a good old block. The bottom end is slightly stronger, but anyone running serious power is running billet caps & girdles anyway, so I see no real advantage here.

    The French blocks require much more prep due to severe intake port restrictions, but the exhaust ports are much nicer as-is than any old flathead block.
     
  4. DeadFast 33
    Joined: Feb 3, 2003
    Posts: 649

    DeadFast 33
    Member
    from Santa Cruz

    one big advantage,.......... brand new!!

    Not having to tear down 10 motors to find a least bad block.

    FLIP
     
  5. Lee Martin
    Joined: Jun 17, 2005
    Posts: 739

    Lee Martin
    Member

  6. 8flat
    Joined: Apr 2, 2006
    Posts: 1,392

    8flat
    Member

    I'm hoping for ~160hp out of my 8BA.....LOL, and I thought I had a lot of cool parts....

    The header design on this engine surprised me, I would have thought they'd want equal tube lengths, but I suppose it's not as important on a flathead because of the long exaust passages thru the block? These guys obviously know what they're doing...

    Gary
     
  7. damn thats some seriuos HP out of a flathead.. cant wait to see it run and fire up.
     
  8. Digger_Dave
    Joined: Apr 10, 2001
    Posts: 2,516

    Digger_Dave
    Member Emeritus

    Ernie replied:

    For MORE information on the French flat head, check here ...

    http://www.sfflatheads.com/home/

    Check the "HISTORY" box, - on left - the French flat head is about as "FORD" as you can get!!

    As of my last communication with them; the 4" stroke crankshaft supply has "dried up."
    (no longer available)
     

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