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  1. mannieg702

    Tahoe 220 deck boat prop question

    I recently bought a Tahoe 220 deck boat. It's 22ft in lenght. I took it out today and ran great. However at time at wot the rpm's shot up to bout 5k and at lower speeds it seem to take a little longer to plane. I am curious to see if the prop it has is the correct for this vessel. The current...
  2. mannieg702

    blowback mercruiser 3.7

    So I've had the boat 2 years and last summer it over heated due to a bad riser gasket and the coolant leaking. Took the heads off and had a valve job done while I was tackling the head gasket. I did a leak down test all cylinders where good in the green and held the air for quite sometime. I...
  3. mannieg702

    prop sugestions for 19 larson open bow

    I have a 1989 19 ft open bow Larson with a 3.7l mercruiser (470) the prop that's on the boat is a 21 pitch, the max I have gone at WOT has been 35 mph, at 4300 RPMs the prop is beat up and I'm looking at replacing it, should I stick to what's on it or what would be a decent upgrade for it...
  4. mannieg702

    Mercruiser 3.7 Compression Question

    Hi everyone hope someone can help out. I took my boat out this weekend and I notice that the coolant was vanishing, when I got to the dock I also noticed that the boat ran hot, till about 200 Degrees. When I go it home I checked it and there was basically no coolant in the tank. I did a lot of...
  5. mannieg702

    I am so super frustrated with This thing

    so I have tested the coil and seems fine, I have disconnected the tach cable, and no go, i have replaced the condensor, points, reset them and also new cap and rotor. everthing is seated well. I've also tryed to Jump the and by pass the resistor wire and No go. the boat just turns and has no spark.
  6. mannieg702

    Did my 3 wire alternator Conversion on my 3.7

    I finished my Alternator conversion and everything seems to be running good, I took the boat out last week for a quick test run and the boat ran fine. I have a few questions though. How hot should the alternator get? I noticed it was running hot, my belt isn't smoking or making noise, nor it...
  7. mannieg702

    alternator conversion problems

    I converted my 3.7 mercruiser to a 3 wire alternator but I'm having issues. When I hook up the Ignition wire to from the alternator to the + side it doesn't allow me to shut the boat off with the key. If i leave that wire unhooked it turns on and shuts off as normal. any thoughts? I'm stumped...
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