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Thread: Flathead Newbee Needing Direction!
          
   
   

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  1. #10
    Don Shillady's Avatar
    Don Shillady is offline CHR Member Visit my Photo Gallery
    Join Date
    May 2004
    Location
    Ashland
    Car Year, Make, Model: 29 fendered roadster
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    2,160

    It sounds as if you are determined to try to build a flathead so go to it. The point of the cost analysis above is that after all that expense to get somewhere between 200 and 250 HP, it can be compared to an inexpensive 350 SBC which gets 270 to 300 HP. Of course you can spend more on the SBC but nostalgia is the operative effect here and would be fun if only it were easier to find a good flathead block. One thing that might be worth planning on is to change over to hardened valve seats since the flatheads were build for leaded gas. Here is a link to a car/engine based on a flathead. The pictures are interesting because they show the reliefs ground into the block between the valves and the cylinders, that is a rodding trick, not the stock surface of the block.

    http://www.34hotrod.com/HotRod/page7.htm

    Don Shillady
    Retired Scientist/teen rodder
    Last edited by Don Shillady; 10-25-2006 at 06:14 PM.

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