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  1. K

    questions on 1973 evinrude sportwin 9.5

    I would start looking for another motor, it seems that your 60lbs of compression isnt carrying you too far. I haven't looked at my manual lately but I always thought the spark plugs should be gapped at .030 not .020. You can take the clutch dogs and reverse them, if the other side isnt worn, and...
  2. K

    Fuel Consumption/speed

    When you go to the etec website and view the 30 etec, click the performance reports tab then look at the respective boat. Each boat has a table with the speeds, fuel usage, mpg, and the like. Evinrude has now closed all of their shops in China, so everyone of their motors are American made...
  3. K

    questions on 1973 evinrude sportwin 9.5

    No its inside the lower unit, but when you say "when i hit", does that mean hit a log? If your knocking into stumps alot then theres your reason for the lower unit being messed up. As long as your numbers are even (within 10%) then you will be fine. My 1961 Evinrude 10hp has 60lbs compression on...
  4. K

    Fuel Consumption/speed

    Actually Evinrude has now come out with a 15hp ho etec, but really it is a detuned 25/30. On the evinrude website the 30etec uses 2.65 gallons per hour, which is really kinda good. Im partial to the etecs, not because I own one, but because I know and hear alot of the background to them. The...
  5. K

    25hp johnson carb upgrade

    I hope it all works out for you. You have inspired me to make my jon go fast as well, too bad you're so far away or else I would race you. I hoping to find a 25 Evinrude cheaply on craigslist and hit the 40mph mark. Here's the video of me running the boat...
  6. K

    NEED HELP WITH DOLPHIN

    Just take and duct tape the underside of the hole and use jb weld on the top. Make sure to really slab it on there. Wait about 1-2 days, then sand it down till its flat. The only thing left is to paint it.
  7. K

    Rivet-Nuts anyone?

    Wow that's pretty cool, might try that next time. Is the perfect blend of tee-nuts and rivets.
  8. K

    Hydrofoil Stabilizer

    What exactly makes you think you need a hydrofoil? What type of boat are you running? We need more info in order to answer your question properly.
  9. K

    is this worth 300 bucks

    Looks good but did anyone else notice those two wire clamps around the midsection of the motor. Kinda iffy, so ask the guy for more info on that so you don't waste you're time driving.
  10. K

    look what I am getting - for free!

    Wow thats a cool boat! Those 18's are strong motors but I would get a newer 25-40hp on there depending on the rating. You are going to need alot of power because most of the weight will be up in the front. Just because I love racing little aluminums I would say that could be a great sleeper...
  11. K

    Fastest you have been in your tin boat?

    Here's the video of my boat. Can't wait to put a 9.5x13 on there. I also modified the exhaust last night so I could run over the hub props if I really want to. https://www.youtube.com/watch?v=cNe87kDEF1U
  12. K

    Evinrude Speed

    I dont see how you could have gone faster with a long shaft with that boat. You would have another 5 inches of lower unit in the water, which equals more drag. Most of the time a long shaft on a 15" transom can't even get on plane with that much drag. Have you gotten a gps reading with the...
  13. K

    Evinrude Speed

    Your motor is way too low, so either make shims to raise the cavitation to even with the bottom of the boat or buy a mini jacker. I have a mini jacker with my longshaft 1980 evinrude 15hp, its just slightly above the bottom of the boat. Don't put a whale tail on there it will only slow it down...
  14. K

    Fastest you have been in your tin boat?

    My 14ft aerocraft v-hull with a 1980 Evinrude 15hp runs 29.6 with just me, and 25 with 2 people. I have a mini jacker with homemade brackets making the setback 4 inches. The boat weighs 110lbs, motor 80-90 ish, and fuel, gear, and me another 140 lbs. Im running a 9.5x10 prop; waiting for my prop...
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