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  1. Scott Danforth

    1980 OMC 140hp electrical

    you obviously do not understand points type ignition systems standard resistors do not work for ignition systems. no color coding as found on 1/4 watt and 1/2 watt resistors will help you here. you need an ignition ballast resistor which is ~ 1.5 ohms (and about 200 watts), or you need about a...
  2. Scott Danforth

    Looking for Titan Model 60 rebuilt kit - 1" piston

    Im all for fixing things that can be fixed. however for trailer brake parts, I would not trust 10 year old rubber bits.
  3. Scott Danforth

    Cavitation plate

    foam should be a replace all thing
  4. Scott Danforth

    Looking for Titan Model 60 rebuilt kit - 1" piston

    if your that tight that you cant replace the whole master cylinder on a boat trailer, boating is not a hobby for you. I wouldnt trust 10 year old korean made rubber bits wheel cylinders come on loaded backing plates. I think the last time I paid under $100 for new backing plates, all...
  5. Scott Danforth

    Primary and Secondary Imbalance - Alfadan Outboard Motor ?

    another investment link
  6. Scott Danforth

    Volvo Penta runs great but burns oil

    Check your gauge, anything more than 150 psi means your gauge is off or you have oil in the cylinders
  7. Scott Danforth

    Does 1990 MCM 350 mag Tbolt IV already have melonized distributor gear? Replacing engine, have some questions..

    If you are worried, get a brass dizzy gear. However I wouldnt bother Use what ever pump pushrod you want You will need to rejet, and to do so, you have to read plugs and actually tune the carb ( no such thing as a canned calibration/tune) Run a rev limiter. If you prop looses bite ( coming...
  8. Scott Danforth

    AQ260A IMPELLER

    Wait until you get the boat, read the pump cover (they are johnson pumps) You may need to also get a bellows kit, PDS bearings, drive seals, carb kit, cap, rotor and wires and other maintenance items for a 35 year old boat
  9. Scott Danforth

    Primary and Secondary Imbalance - Alfadan Outboard Motor ?

    not sure what you linked to. however there are many concept engines. most of which can not be built on mass scale. the coats rotary valve motor comes to mind. Koenigsegg's little 2 liter is another.
  10. Scott Danforth

    Wellcraft 170 American underpropped?

    your drive is a 1.98:1. the 2.0 and 2.4 is for outboards and yes, it matters
  11. Scott Danforth

    Could a 4 blade actually be faster?

    I hit 41 in a 16.5 foot long boat with total weight in the 1800# range with a 3.0 spinning a 19p prop at 4600 RPM with light chop and only 1 person on board. no way a 3.0 can spin a 21p prop at 5300 RPM without nitrous or a blower. no way a 3.0 can live above 5000 RPM for very long. first...
  12. Scott Danforth

    Volvo Penta Trim Stopped Working

    welcome aboard could be relay could be the cheesy main plug for the motor could be the circuit breaker for the motor need to start reading voltages like AD stated, then find where the power isnt.
  13. Scott Danforth

    VP 431B plug wires

    have you gone to the top of the forum, go to the buying section and get plug wires from iBoats? Sierra brand are ok
  14. Scott Danforth

    Make and Model?

    remember, any boat that is free or near free or "a good deal" should be considered a project boat that will require many thousands of dollars to make it safe. also, does the boat have the proper paperwork (bill of sale, title, registration, trailer title, etc.). if not, its a yard planter.
  15. Scott Danforth

    Mercruiser 3.0 squeal keeping engine from starting

    I would have pulled the motor by now and got i on a stand and had the pan off. if its back by the flywheel, it may be a core plug coming out if its internal, you could have a spun bearing
  16. Scott Danforth

    Mercruiser 4.3L 190 HP Carb/Manifold Intake Upgrade

    FYI, Carter is airtex. Carter has been the OEM for years. no need for a regulator. been using the carter variants in both marine and auto and diesel for years
  17. Scott Danforth

    Found a crack

    I also work for Beer
  18. Scott Danforth

    Wellcraft 170 American underpropped?

    3.0s will warp the head at rpms over 5000 When I had tha Avanti, i had a 15p for water sports and trolling, a 17p for general use, and a 19p for long cruising There just isnt enough power out of the 3.0 When pulling skiers, I normally had to move the spotter to the bow to get the boat on...
  19. Scott Danforth

    Options for adding floatation to 13' aluminum dinghy/rowboat?

    Turn boat upside down on saw bucks, pour a bit of 2# foam in each seat, wait 30 minutes, then flip back over and go boating
  20. Scott Danforth

    1980 OMC 140hp electrical

    Resistor wire should be the section of wire between the coil and choke
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