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

  1. #191
    Team Member 88workcar's Avatar
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    Put a picture of the otherside also Tim. Man that thing is purdy. You pay the shipping I'll give you $50.00 for it.
    Helping folks out around the globe.

  2. #192
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    I appreciate the thought!

    This is my latest FE/850 engine that uses three conventional 1-1/2" throat OMC 1bbl carbs. Rich Welch saw 100.2 (GPS) on the Hillsdale front stretch in his new MJR hydro testing in early September. He played with the competition all weekend. We expect FE/850 records will fall next year.

    Tim
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    Default Front half?

    Tim
    Is that front half 2 pieces or should I say very short with a long reed plate?

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    Default Front half

    Remember the APBA rule states your FE/850 engine "must be a recognizable service block and crankcase". It's actually four sections including a narrow slice of the original crankcase.

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    Default Reeds are

    huge area around the reeds.
    You could fit a set of V Force reeds in there or 2 std sets? ( a 30 and a 45 degree set?)
    Whats the scoop?

  6. #196
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    Thumbs up

    how did you seal the original slice to the next section, i see how you bolted it up, but how did you seal them. do you help the exhaust port to sweep up for that style exhaust?

    cool stuff.

    Part one of "Secrets of the OMC Mod 50" : http://www.boatracingfacts.com/forums/showthread.php?t=2052

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    cool tim,, just reading your thread,,, sounds like we both working on records,,,, you just have to enter the kilo traps at 105 mph to brake my record cool,, when i broke the record years/ages ago,,, i saw 106.5 2 runs i had,,,

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    Thanks for the kudos, Fred & Co. Pretty tricky machine and fitting work - but gel-seal does the trick. Top exit exhaust eliminates uncontrolled water vapor intrusion which changes tuning - basically an improved (external) version of the Mod-50 system. Sounds great, too!

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    You've got it Cheney, but closed course first. I'm certain it's capable of something like 110, but don't care to drive and open boat that fast for a kilo. Did you run a capsule?

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    nooo ran a modified apel 350 boat it was my everyday raceboat that i ran threw,,,, about 2" kicked under or more,,,, wouldnt do it again,,,,, in that small boat,,, i ran same set up at bakersfield always read just over 103 mph there till iggnition let go,,,, that about a mile almost i guess

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