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  1. J

    Mercruiser 2bbl TKS idle issue - 4.3L

    I have a 2006 4.3L Mercruiser 2bbl carb with the Turn Key Start sitting in a 19 foot Tahoe Q4. J1223 CA emission model. My issue is that the boat wont idle any longer. The only way I can keep it idleing is if I crank idle adj screw several turns in. To start I need to give it a pump or too...
  2. J

    4.3 220hp vs. 190hp

    I bought a 2006 Q4sf with the 4.3 liter last year. The guy I bought it from said it was the 220 hp model and didnt think much of it. It is not the MPI model and just has the carb so I am thinking I just have the 190hp. Can someone let me know how to check for sure and what is the difference...
  3. J

    Mercruiser outdrive question

    I have a 79' 470 with a mercruiser outdrive that now makes a terrible noise. I was on the lake at about 3/4 throttle when the engine slowed suddenly and died. Tried to start it but it just cranked very slowly and never started back up. I got the boat back home and was able to fire it up but it...
  4. J

    Fuel Seperator instalation

    Easy one for you guys...I have a 470 that I installed an electric fuel pump after the stock one croaked. I am putting a fuel/water seperator on and was wondering if it should be put on before or after the fuel pump? The seperator is a Racor 120R-RAC-01. Thanks guys jake
  5. J

    Car tires on my boat trailer?

    I have a 1979 Thunderbird tri-hull with a 470 and it needs some tires. It is a two axle roadrunner trailer with 195-75-14 tires. I can save about 200 bucks if I put regular car tires on it and am wondering if thats a smart option or not. The trailer plate says 5000 GVWR if that helps. Thanks...
  6. J

    470 Carb issues- Rochester 2bbl

    79 Mercruiser 470 ? 2-barrel Rochester 2CG carb. Engine is mechanically sound. Good consistent compression, new cap/rotor/plugs. I rebuilt the carb a few months ago and it ran great- no problems at all. This was in the winter. Fast forward to now. The boat runs excellent on the muffs in the...
  7. J

    My first boat build

    This really isn't doesn't fall into the forum category but this is the only forum I visit since I have an old 470 Mercruiser so I feel a home here and I figure you guys might get a kick out of this. A little background- The boat is a 1962 Elgin 11 foot aluminum boat with a Honda CBR929...
  8. J

    Another 470 overheating

    79 Mercruiser 470 with the 3 inch heat exchanger getting hot when under a load. It will sit all day at 140 degrees at any rpm when its hooked to the hose in my driveway, but under a load out on the water it gets hot - 200 plus until I shut her down. What I have done so far: New impellor...
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