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cpizze1
Registered User
Last Activity: 06-20-2018, 01:03 PM
Joined: 08-12-2010
Location: Cumming, GA
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  • OldRacerBU
    OldRacerBU posted a Visitor Message for cpizze1
    Here is the Carb adjusting info from the 30-H manual. Best way to set the high speeds is with a test wheel but you can also load it with the prop if you have help to hold the boat on a trailer. The high speeds are set at 1 1/2 turns and lows at 1 turn initial settings. Timing should only be set with...
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  • cpizze1
    commented on 's reply to Mark 30 Help
    Found my test wheel. Next time I get it in the water it will really be helpful. Someone else mentioned timing as well...so I think I will try adjusting the timing too as the throttle opens.
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  • cpizze1
    commented on 's reply to Mark 30 Help
    Thanks for the info. I also found my test wheel so that will help next time I have it in the water.
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  • cpizze1
    replied to Mark 30 Help
    ZUL8TR, I think fuel mixture is adding to my dilemma. I may need to go to 25:1. I'm not racing, just putting around a marina. Heights not an issue either since I'm not worried about top speed. And yes.....I greased my bearings after each use. Thanks for reminding me. So, leaning fuel mixture, fixed...
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  • cpizze1
    replied to Mark 30 Help
    Maybe I should give up on the Mark 30 and put the Mark 58 on it.....Freaking thing is heavy with the fishing lower unit on it. I have the down housing but will need a lower unit. I am assembling a cornpopper from a padded 20H block that "Quincy" did back in the 70's. Could do that too.
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  • cpizze1
    replied to Mark 30 Help
    Dean, built back in '76. Only been in the water once before. I had a neighbor bet that it wouldn't float since he had never seen it in the water. I told him, not only will it float, but it won't leak......I didn't! Unfortunately, I couldn't get it to run. A little surprised and disappointed since it...
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    Last edited by cpizze1; 06-07-2018, 05:12 AM.

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  • cpizze1
    commented on 's reply to Mark 30 Help
    This is called the TNT. I believe it is a Glen-L design. A friend of mine while I was in high school helped me build the boat in shop class. He was the craftsman. A lot of evening hours work went into this. The shop was open in the evening so we could get a lot done. Thanks for the complement! It did...
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  • cpizze1
    commented on 's reply to Mark 30 Help
    Prop shaft is 1 1/2 inches below the bottom of the boat. Recommendations? Also, you may have something on the fuel.....I do have an air leak from the tank fitting to the fuel pump! I only hope it can be that easy! Thanks!
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  • cpizze1
    replied to Mark 30 Help
    Thanks Art....haven't check the idle jets yet. I will do that. Motor was bought thru Aeroliner. Has not been gone thru. Changed to a smaller prop. Ran it about 40 years ago with a 55H. Thought this Mark 30 would have been fine. I'll try a little more tinkering.
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  • cpizze1
    started a topic Mark 30 Help

    Mark 30 Help

    Guys, I have a Mark 30 that I'm trying to run on a home-made runabout. The motor runs strong out of the water, but won't start in the water. I have check high speed jets and seem to be set properly. Gear case is 1:1. Next is timing.....I'm a 2 cylinder guy so the 4 cylinder is unfamiliar to me. Any...
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