Thread: Building A looper Beast

  1. #541
    DaBull Dabull1919's Avatar
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    Quote Originally Posted by Freddie Webb View Post
    Bull I was given that same formula for alcohol and probably by the same person.
    Yep, LOL Probably so.

  2. #542
    DaBull Dabull1919's Avatar
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    Quote Originally Posted by Powerabout View Post
    What oil did you use?
    I ran the Klotz Castor oil also.

    Allow me to expand on this for a moment. We had a 2.4 Merc that we ran the Klotz castor/with race gas in and it was a high rpm motor for that time (9200). In it`s last race and on the last lap the holly fuel pump gave out and long story short we ended up with a hole in the block that couldn`t be repaired so I didn`t even tear the motor down. Just stuck it in a corner. Ten years later I needed a few rods so I took it apart but didn`t expect to find anything good. I was wrong! The gasoline was long since evaporated but the oil was still there coating everything. Not one bearing was rusted or pitted. I was impressed.

    DB

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    DaBull Dabull1919's Avatar
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    Mr Austin, Your efi installation is first class just like the rest of the engine.

    DB

  4. #544
    BoatRacingFacts VIP John Schubert T*A*R*T's Avatar
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    Quote Originally Posted by MErkMAniak View Post
    Sorry I cant. It cost quite a bit to have it made.
    Geez, the money was spent so why not help others? Just tell us there is a reasonable fee, why keep it a secret that doesn't help anyone but yourself

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    Default Pics or it didn't happen

    Quote Originally Posted by MErkMAniak View Post
    No what i am saying is the wires can be replaced without depotting the entire unit. Just got to be careful digging in there.

    I had an Xray made so I know where the wires terminate and what to watch out for.
    Pics or it didn't happen.....
    Likes Old Racer liked this post

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    Team Member R Austin's Avatar
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    For those of you that seem to be overly concerned about battery CDI triggers for the Mercury system, this repair facility can probably fill your needs.


    http://www.cdielectronics.com/#

  7. #547
    Team Member R Austin's Avatar
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    Have spent the last few weeks redoing the dyno to make more user friendly by fabricating a frame linking the tank and controls together with the pump stand and placing on wheels. Had to make some type of frame to be able to remove the fuel pump and ECU assembly from the boat and setup on the frame without disconnecting fuel lines and minimal electrical connections.

    Added a better tach and a vernier throttle control for better RPM control of the engine. I also picked up a used go kart engine monitor with 2 EGT and Tach read outs. Having made an extra exhaust elbow, I welded bosses to it and installed the 2 EGT probes in it. I put 1 in the number 1 cylinder and 1 in the number 2 cylinder exhaust passages. The fuel injection system by Brucato, has an option called a steam wheel. This option allows, on the fly, the adjustment of fuel control of a minus 40% to a plus 50% of the fuel flow. Think of it as being able to turn the adjustments of all carbs open or closed at the same time. That control has been added to the dyno as well. Of course, I can pug a lap top into the ECU and monitor the engine parameters as the engine is running.

    I had the 60 inch deflector on the dyno when completed and ran it. All went well with the chain drive and engine control was much easier

    With the fuel injection system completed and installed in t he boat, I then put av-gas with the synthetic castor oil mix and made full fuel system pressure tests. Then set the fuel pressure down to 35 PSI and test started the engine. Mag on, then pump on and, no priming required and turned over 2 or 3 revolutions and fired right up.

    If all goes well, I may be able to get some run time.

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    Thanks Powerabout thanked for this post

  8. #548
    DaBull Dabull1919's Avatar
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    Megaphones and programmable on the fly EFI. I`ll bet that combination`s never been done before. Then again, Nothing in these pics has ever been done before. Now if you can get the computer and EGT probes to talk to each other and make instantaneous detection and corrections you could get rich.

    DB

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    Ah for the old days of Mark 20Hs, with one carb, adjustable on the fly, and a simple magneto!

    Jeff

    PS: Impressive work as always.
    "We live at the bottom of an ocean of air." - General Marvage Slatington

  10. #550
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    That all looks very very nice,
    But how on earth are you supposed to remember all the technical stuff when testing a motor ? I got last after the 1st sentence.

    very cool looking rig up.

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