Recent content by muchco

  1. muchco

    Carberator on 1972 40hp Johnson

    Hi, I am trying to complete a carb job on a 40hp Johnson and I need some assistance. When the carb was removed I noticed that the packing nut (0305507) was loose and spinning freely. I also noticed that the packing (0307583) was in poor shape and one of the packing washers (0306027) was bent in...
  2. muchco

    Water Pressure Gauge 2000 Johnson150hp V6 60 Degree

    I just purchased a 2000 Johnson 150hp 60 degree V6 and would like to know were on the engine to hook up the water pressure gauge.
  3. muchco

    Problem with transition from idle to full throttle.

    1986 Evinrude 120 hp V4 Looper Model#E120TLCDC Hi, my brother and I just installed 4 carb kits in his 1986 120 looper. The motor now starts and idles great but it stumbles on the transition from idle to intermidiate or full throttle. You have to push in the key and prime it to get it to make...
  4. muchco

    Raker versus Tempest Plus

    In theroy which prop would or should create more bow lift, a 22 pitch Raker or a 21 or 23 pitch Tempest Plus? Which prop should have more stern or over all lift?
  5. muchco

    Converting a 1986 120 HP V4 Looper to a 140

    Hi, my brother has a healthy 1986 120HP V4 Looper that he would like to get a little more out of performance wise. We are considering changing it into a 140. Has any one done this, and if so what were the results? We are assuming that the 120 and 140 have different carbs, jetting and reed cages...
  6. muchco

    Difference between Turbo 1 and Turbo Lighting

    What is the difference between a Turbo 1 21 pitch and and a Turbo Lightning 21 pitch? Are they both 14 1/4" in diameter? What are the bow lift characteristics of the Turbo 1 and the Turbo Lighting in comparison to a Laser II and a Raker.
  7. muchco

    Enertia test results

    I was able to get a hold of a 21P Enertia and run some test of my own. I have a DC175 Larson with a Evinrude 150XP. I have a manual Jack plate with 4" of set back and ran the following tests with the prop shaft 4 1/2" below the pad. The results were as follows: 21P Enertia 5700 RPM 54.8 MPH...
  8. muchco

    Predetor Props

    Does anyone have any experince with these props? I'm to the understanding that they were manufatured in Ozark or Springfield MO at one time but the company is no longer in buisness. Any info would be greatly appreciated. I have a 22 pitch X 13 3/4" 4 blade SS. I have not had an opprtunity to try...
  9. muchco

    Water Pumps and Head Temprature

    May be I had this in the wrong forum. Any on have any comments? I have a few quick question regarding replacement water pumps. I have read on previous posts the mention of high pressure and/or high volume water pumps. Is there such a thing? When I look for a replacement for my 1987 V6 150XP I...
  10. muchco

    Water Pumps & Cylinder Head Temprature

    I have a few quick question regarding replacement water pumps. I have read on previous posts the mention of high pressure and/or high volume water pumps. Is there such a thing? When I look for a replacement for my 1987 V6 150XP I can only find one part #5001594. I had just replaced my water pump...
  11. muchco

    Speedo correction

    Hi, I just installed an new BRP speedometer and have checked it against my GPS. It consistantly reads 3 mph slower than my GPS reading. I used my original speedo pickup as I just purchased the BRP speedo and not the pickup and hose. My old speedo with the current pick up was within 1/2 mph of my...
  12. muchco

    Manufactuer Ski Prop

    Is anyone familiar with the manufactuer Ski Prop. Every now and again I see them for sale and was just wondering what kind of product they make?
  13. muchco

    Question for Dahdley or others

    I have a 1988 DC175 Larson with an 1987 150XP. I had an earlier post on a manual jack plates that I received some response to as well. I have been doing some reading and have heard that putting jack plate on my pleasure/ski boat will likley make little to no difference, or may even may thins...
  14. muchco

    Manual Jack Plate

    My intentions are to install a manual jack plate with 4" set back and 10" of vertical adjustment.<br />I understand that by raising the motor you create less drag thus your able to increase your WOT rpm and speed. My question is: What effect does raising the motor and the set back have on hole...
  15. muchco

    Comparison between 84 150GT Cross Flow and 86 120 Looper

    Just curious to know what the comparison in horsepower, torque, and fuel consuption would be between a 1984 Johnson 150GT V6 Cross Flow and a 1986 Evinrude V4 120 Looper. I'm to the understanding that OMC started Prop Shaft rating horsepower in 1985, if this is correct I would suspect that the...
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