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  1. Replies
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    Dad raced Harry Brinkman's Desilva C Mod Hydro in...

    Dad raced Harry Brinkman's Desilva C Mod Hydro in Soddy Daisy TN at the Mod nationals back in, I think the 80's. Harry was having some issues with flipping the boat, like nearly every race, and...
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    Sticky: Richard, Dan went into the hospitial right...

    Richard,

    Dan went into the hospitial right after COnstantine. He was bleeding in the brain area, and had to undergo emergencey surgery. He was fighting for his life, and a long battle it is going...
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    For a serious noticable gain, you will need to...

    For a serious noticable gain, you will need to modify internally. There are no bolt on applications that will increase your top end significantly. If you want more than 5MPH gain, it will need...
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    Probably the water that is in todays fuels. You...

    Probably the water that is in todays fuels. You might also have some cheap gas in your area, who knows. But no, it is not normal around here. I simply dissconnect the fuel line from the engine on...
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    ZUL8TR, thi sis part of that process that I try...

    ZUL8TR, thi sis part of that process that I try to convey. Sometimes it is not all theories and books. Sometimes a little old fashioned go by the feel of it, fly by the seat of your pants kind of...
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    Check Alingment. Sometimes when you adapt a...

    Check Alingment. Sometimes when you adapt a powerhead to a different tower with an adapter plate, you might be slightly off center. Same for the gearbox. This will casue a vibration. Also, if you...
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    I have raced boats for a great number of years....

    I have raced boats for a great number of years. One thing experience has taught me. Never go by an instruction manual, and never believe a theory. If we all went by the books and theories, where...
  8. Simple Answer - Dollars

    Simple Answer - Dollars
  9. I suggest trying leather. Very thick leather,...

    I suggest trying leather. Very thick leather, such as 1/4" thick. I use this between the transom and engine mounts on my racing boats that use the 70HP Johnrudes, highly modified. I have the clamp...
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    Sticky: Boring ?

    Richard,

    I don't know if you realize this or not, but you have a sort of cult of followers !!

    If you need a place to run the beast let me know. I know we have lots of testing at the NBRA...
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    Mud

    Get the 10K plus engine, Black Death. You can't ever have enough motor when it comes to duck hunting. They sound as cool as a real mod engine, and they can definately get you over the 40MPH mark. ...
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    I hunt ducks, ditch that engine and put a Mud...

    I hunt ducks, ditch that engine and put a Mud Buddy on it. It will get you more places than that old Merc ever dreamed of. That style of Merc is best left for racing, and the mud motors are best...
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    Couple It. Meaning split your driveshaft, have...

    Couple It. Meaning split your driveshaft, have someone make a coupler (square holes in a round shaft) and you don't have to worry about the splines. I am sure you thought of this already, but...
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    That stuff is OK. Not my first choice, but I...

    That stuff is OK. Not my first choice, but I think it will work in your application. You do not need total strenght from a structure standpoint when putting the two halves together. The bolts will...
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    Unless they changed something, the tensile,...

    Unless they changed something, the tensile, flexural, and elongation stengths were much stronger in 404. Could be they changed something, I have not looked at the techincal data for a while. I just...
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    One Add If you do decide to go with wood, and...

    One Add

    If you do decide to go with wood, and in the instances ZUL8TR indicates using thickened epoxy, i would use a high density filler and not the other. If you look at the West Systems...
  17. If you are considering switching over to a Mod 50...

    If you are considering switching over to a Mod 50 style exhust system, Jeff Ruth makes one. We used this system on our rig last season, and it won Nationals. The price point is also considerably...
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    Humbled

    Gene, thank you for the compliment, but I still think that sidewalk is sacred ground. I was never able to meet O.F. Christner is person, but I feel like I knew him through all the posts people have...
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    Quincy Welding - Currently

    I had the pleasure of racing at Lake X this past weekend. The NBRA hosted an event in the spot that the Quincy looper legends were tested. I have to say, O.F. picked a great little spot to do his...
  20. Thread: battery

    by David Mason
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    Lawn/Riding Mower battery VS Motorcyle Type ...

    Lawn/Riding Mower battery VS Motorcyle Type

    The riding lawnmower type batteries are definately better than some motorcyle type batteries. Honestly though, don't confuse physical size with power...
  21. Thread: battery

    by David Mason
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    You can use a Jet Ski battery. It really depends...

    You can use a Jet Ski battery. It really depends on how you intend to use it. Do you have any acessories you plan to run off the battery, in addition to cranking the engine ?

    And here is some...
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    Rasing

    If you raise the engine, you might need more prop.

    Trick is to continue going up in smaller incraments, and stop when the speed levels out, or drops. Then you know your particular hulls limits...
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    Thanks !

    Thanks, I will do just that. I really want to be there, as most of my heros in boat racing will be there. Time will tell I guess.
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    Shirts & Hats

    At this point, I am very uncertain I can attend, as I will most likely be racing in another state. I really want to attend, but I still have memories to make.

    Is there a way I can purchase a...
  25. Muratic Acid

    In the Pro Division (Alky) it is the method used to clean the aluminum from the cyl walls. Used a swab and dipped it in the Muratic Acid and swab the cylinder while Dad changed out the piston. Once...
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    Machining Them Down

    Use caution if you decide to put on in a lathe and turn it down. I personally have seen these flywheels come apart and strike the driver. (racing application)

    If you can find the light one, just...
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    Hill Marine

    I thought I saw where Ron Hill was making some nose cones ? Should be easy to adapt to a lot of gearcases. Epoxy does wonders and machines very well. I have seen a lot of homemade nose cones and I...
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    Depends

    Depends on your desired outcome. If you want better tunability, Tim is correct. If you are decent at dialing something in and leaving it be once you have it right, you should be fine. I have...
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    Don't Forget

    Obeeche can be used, it is a very good comparrison to Sitka. The cost is lighter on the wallet as well.

    If you truly can't find a good source near you for Sitka, you can order from Noahs in...
  30. Thread: B Looper

    by David Mason
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    Still In Use

    Danny,

    We still use these on the 44's. I think we have one original, and one that has been repaired or modified to fit enough that it is not original. But it is still a great part to use. Gets...
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    I Can't Wait

    Ever since someone posted years ago on how fast a Quincy 6 will go... I remember Gene saying nobody has ever really held one on long enough to find out. With the boats a little more advanced today,...
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    Got Them

    Tim, if you want i could post them here. I saved every one of them. Even the emails. I wanted the record in case anyone ever asked. You might want to check your sent items if you still have them....
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    Tim

    Tim, lets stop with the richard measuring already. My GOOD engine that has been very competitive to your engines has competed with both a factory exhaust carved out, and a Mod 50 Exhaust. The Mod...
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    No Pics

    Trailer is in storage, exhaust in in trailer. Besides Tim, I build my own racing parts as much as I can. I would most likely NOT give someone in the business of building engines to wax my ***...
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    Hustler

    They are still available the last I knew. Just call Tim Snider. They also make exhaust for other engines. They have been doing this for as long as I can remember. In fact I have a Hustler Racing...
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    Scenery

    IDon’t know of any historic landmarks you can visit while there. But I can tell you if you have a truck and like to drive down two tracks, simply look around for the fire lanes, and logging roads. ...
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    Sam

    I didn't put words in your mouth. I simply assumed it was meant for the Mod category as that seems to be the place where all of it ends up. Regardless, it will soon be there, the rocky road it is...
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    Disagree

    Sam,

    I disagree. There is a place for that, Pro. No need to revamp a category. But that's just my opinion. Why should all the folks running what they have now need to invest more and change the...
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    Tip

    Don't make to many changes at once. You won't know what worked and what did not. Make one change at a time and evaluate.

    Looking at your hull and what not, I think the speeds you are seeing...
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    Not A Secret

    It is not a secret. Personally, I wouldn't change your oil mix but instead would fart around with your jetting for the addition of the pipe.

    Everyone has an opinion on what ratio to mix for...
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    New Class

    Should we begin gathering tech info on it and get a new class into Mod now ? I bet it would be fast out of the box with little need for a lot of mods. ;)
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    5 Cyl

    I rebuilt one for a friend this last summer. I have to say, parts are not easy to come by for that thing. Bearings are easy of course, as you can have them made or to spec at any good bearing shop....
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    Epoxy

    The cheap quick cure epoxies work great. A little more expensive than a tube of Yambond, which works real well too.

    For those wondering, the epoxy you would use to seal a block of in my case, a...
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    Late Model

    I think you are doing the right thing going with a later model 56 CI. More punch for the bigger boat. Should be a decent rig for a lot less than modifying a 49CI.

    Good luck with your project !
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    Correct Info

    I beleive John purchased the equipment at some point last year or the year before, am I right John ? Just trying to recall from the Constantine conversations we had.
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    Rules for Kilo

    Basically no hull restrictions at all. No height rules, or min weight rules if memory serves. It is like it's own category with it's own rules. Engine rules for stock and mod and Pro are about the...
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    Curious

    If you are thinking that porting on a cross scavenged Merc 44 would be similar to the so called looper of the OMC triple 49 incher ?

    I am sure you will receive a lot of PM's on this, no real...
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    Gopod Stuff

    Bill,

    That is funny. You know what they say, third times a charm.... and the sweeper.... ya, you should have known better !!! Even if it is one of those fancy high dollar ones... ;)

    A nice...
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    Look Great

    Those look great. Eric Vanover has been spraying his own pistons for some time now, it is not expensive and easy to do with some simple crude tools.

    I love the record turn table method. I...
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    Pics

    Anthony,

    For pics, just do a quick search on this website, you should find many. Or you could simply look at the wide number of pics already posted on Pro races and history and see a lot of...
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