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Thread: Fast Fred's OMC Mod 50 secrets Thread #2

  1. #11
    FFX-61
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    .500 is big, you can Dee port the holes in the piston, think i gots a shot of what that looks like. what size were holes in the old piston, did any crack?

  2. #12
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    Dee Ported
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  3. #13
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    Default Call Weisco

    Quote Originally Posted by Detroit Whitey View Post
    Can anybody still get pistons from Phill? The Last i heard was he was out.
    Weisco will make a run of them if you buy a certain quatity. Maybe you can rally your troops to order a batch ?

  4. #14
    Sam Cullis Mark75H's Avatar
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    Quote Originally Posted by David Mason View Post
    Weisco will make a run of them if you buy a certain quatity. Maybe you can rally your troops to order a batch ?
    Wasn't Dave Scott trying to round up an order of special Merc pistons last year? I think Wiesco's minimum was 100 units at something like $125 each. I think that gets you in the ball park
    Since 1925, about 150 different racing outboards have been made.


  5. #15
    Team Member 850cc racer's Avatar
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    the piston ports were simalar size to the ones in the block none of them cracked., im doing the rest tonight, but just wanting to know whats good or bad.. im thinking they dont have to be the same, i might have a look at how we'd go making the ports like a D.. we've done one piston already and it looks good, only thing is i dont want to take too much meat out of the piston near the gudgeon.. but i may have to as at the moment the hole is quiet small..
    ill try and get some photos

  6. #16
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    Quote Originally Posted by Fast Fred View Post
    Dee Ported
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    Looks like a Dick O'Dea port job on a 2.4 to me. Where the heck is Stellwagen, Ledges.
    I'm orange, Texas about 20 miles from the gulf of Mexisludge in SE TX.
    Hal Broomes

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    Quote Originally Posted by seaward View Post
    Looks like a Dick O'Dea port job on a 2.4 to me. Where the heck is Stellwagen, Ledges.
    I'm orange, Texas about 20 miles from the gulf of Mexisludge in SE TX.
    Hal Broomes
    I forgot to add that they use the long finger port and the bottom hole on the piston later on.
    Hal

  8. #18
    Team Member Bill Gohr's Avatar
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    I have a set of 3 new, McDaniels pistons if ya need them, 3.030

  9. #19
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    Quote Originally Posted by Mark75H View Post
    Wasn't Dave Scott trying to round up an order of special Merc pistons last year? I think Wiesco's minimum was 100 units at something like $125 each. I think that gets you in the ball park
    I believe you are close to the estimate Sam.

    If you are going to run a batch of Weisco pistons in Mod 50 version, and don't want to oder such a large quantity, why not simply turn them ? Weisco's did not have the dome as the original Mod 50 did. So making your own could be a very easy job. Pro category does this a lot. I imagine a local machine shop could turn and mill pistons to match the Mod 50 exactly for a price, and you would not need to buy 100 sets.

  10. #20
    FFX-61
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    not seein why i would turn a Stinger piston down, then thare is the wirst pin hole

    at Wiseco for 3 grand, it takes most of the day to set up, then they will run 12 pistons, then you need to spend more money

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