Who has a guess???
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Who has a guess???

  1. #1
    Senior Member motomattox's Avatar
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    Default Who has a guess???

    FINALLY going to water test my boat today. Anybody want to guess what I'll hit RPM/MPH?

    1978 Bahner 18ft w/ delta pad bottom. Bone stock 454 (pulled from a '77 pickup). Holley 750DP. Timing @ 34deg total. Berkeley 12JG with "A" impeller and Place Diverter. Boat is extremely stripped down, just two fiberglass bucket seats. No carpet, no ski tunnel, no bulkhead, etc...

    I'm hoping to at least do 52mph/4400rpm LOL but have a helluva lot of fun doing it.
    "Keep talking...it aint often I get to hear a genius speak"
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  3. #2
    no need 2 fake it. 84Condor's Avatar
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    Quote Originally Posted by motomattox View Post
    FINALLY going to water test my boat today. Anybody want to guess what I'll hit RPM/MPH?

    1978 Bahner 18ft w/ delta pad bottom. Bone stock 454 (pulled from a '77 pickup). Holley 750DP. Timing @ 34deg total. Berkeley 12JG with "A" impeller and Place Diverter. Boat is extremely stripped down, just two fiberglass bucket seats. No carpet, no ski tunnel, no bulkhead, etc...

    I'm hoping to at least do 52mph/4400rpm LOL but have a helluva lot of fun doing it.
    howcome ya took the bulkhead out??
    "i'm into snatchin' kisses... and vice-versa!" haha
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  4. #3
    Senior Member motomattox's Avatar
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    The bulkhead was just a floater, wasn't actually attached to anything but the ski tunnel, and the ski tunnel was just slid under the deck. Nothing was glassed in anywhere. There was a thread under Shoemaker's area with pics etc talking about it. I think Cowboy Mike started the thread. His Bahner is wide open under the deck as well...or at least it was. I will probably glass in a real bulkhead soon
    "Keep talking...it aint often I get to hear a genius speak"
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  6. #4
    Member nelsont509's Avatar
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    If your guess was 58-60 @ forty-six hundred... I'd buy that!!


    ...What's the magic word?...
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  7. #5
    Senior Member GA Jet's Avatar
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    im gonna say 56-58 at 4800-5000rpm
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  8. #6
    "BOATLESS" blender over's Avatar
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    Quote Originally Posted by motomattox View Post
    FINALLY going to water test my boat today. Anybody want to guess what I'll hit RPM/MPH?

    1978 Bahner 18ft w/ delta pad bottom. Bone stock 454 (pulled from a '77 pickup). Holley 750DP. Timing @ 34deg total. Berkeley 12JG with "A" impeller and Place Diverter. Boat is extremely stripped down, just two fiberglass bucket seats. No carpet, no ski tunnel, no bulkhead, etc...

    I'm hoping to at least do 52mph/4400rpm LOL but have a helluva lot of fun doing it.
    I had basically the same set up as you in my old bahner.
    72mph right around 5k
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  9. #7
    Senior Member TrollerDave's Avatar
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    If you were going to sell it on ebay, I'd say you would hit about 105

    My guess would be 62 @ 4600. Do you have OT headers?
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  10. #8
    Senior Member jetboatperformance's Avatar
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    4900 and 65 mph
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  11. #9
    Senior Member EVILFORCE's Avatar
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    Being a Bahner I would say 68 mph at 4900 rpm.
    No Fool Like A Old Fool is there?
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  12. #10
    Senior Member Brendellajet's Avatar
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    Howd it go?
    "He is a lover, not a fighter. But he's also a fighter, so dont get any ideas."
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  13. #11
    Senior Member motomattox's Avatar
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    What a day ....

    Washed the boat and thoroughly dried it out, making sure that there was no residual water in the bilge or anywhere else for that matter so that the friendly ranger service would not make claims of mussel infestation. Went down and put 11 gallons of gas in it and by the time I got back to the house found about 1 gallon of my freshly purchased fuel in the bilge!! After going over everything and eventually pulling the damn tank out found the sending unit gasket was leaking badly (to say the least). This lead to the usual (we have all been there) thrash to scrape together a good fix on the fly. Eventually got it back together and decided to fire it up and make sure all was well....which it wasn't. Apparently my local gas station was supplementing their fuel with plenty of water. After a couple of filter replacements and a healthy dose of HEET additive to remove the water (which surprisingly worked very well), back in business! Had to clean out the bilge once again (due to all the fuel) and jammed down to the lake in an attempt to beat all the Holiday traffic. The nice ranger spotted the smallest amount of residual moisture and promptly quarantined the boat for the next 8 days! FML!

    But on the plus side I spent the day working on a boat and drinking beer with great friends....and now more people have a chance at guessing what this little boat will do LMAO. I will update all as soon as I can get it in the water, next weekend! Hope everyone has a great holiday weekend
    "Keep talking...it aint often I get to hear a genius speak"
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  14. #12
    Senior Member 18GullwingMailman's Avatar
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    Dang, buddy. I thought they were tough in Arkansas!


    62/4400
    WFL Crew <----------> WFL Crew
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  15. #13
    Don't Member Blow It Up's Avatar
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    What rangers and where? That sucks
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  16. #14
    Senior Member jetboatperformance's Avatar
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    LEO has a job to do... but I was once told by a respected Police Chief an issue was sometimes more about the "spirit of the law , and not always the Letter of the law" , Had a similar encounter with a ranger on a resto, we did politley explain that the boat had not seen water in 10 years , he still insisted on the "full tilt Muscle inspection" and then wetted down the chrome and polish with a hot water bath from a pressure washer Tom
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