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  1. Chemdawg

    3.0 mercruiser - Setting timing from scratch

    Setting timing from scratch - Mercruiser 3.0 Hello everyone. I have a few questions here. I just rebuilt the distributor with new points, condenser, rotor, cap, etc. Pulled the mechanical advance apart, cleaned everything, and put it all back together. Now this isn't my first rodeo with...
  2. Chemdawg

    Mercruiser 3.0 Oil Leak

    Got something kind of interesting going on here. I discovered an oil leak just recently, and was wondering if this is a common place. When I discovered the leak, there was oil down in the well below the motor. So I cleaned everything up really good, and placed some paper towel down there to...
  3. Chemdawg

    Some Mercruiser 3.0 questions

    Hello everyone. I've been reading a lot of things from different posts throughout the internet, but I decided it would be best to start my own thread and ask my questions here. I have a 1987 Arrow Glass Carisma 175, with a 3.0L mercruiser engine. When I got this boat, it was a basket case...
  4. Chemdawg

    Something interesting..

    So I have a 1987 Arrow Glass Carisma 175 with 3.0L Mercruiser Sterndrive, and alpha 1 drive. This boat was rather a basket case when I got it, so I have been fixing all the problems as I go along here. I got the motor running like a champ, and got all the fuel issues worked out. So...
  5. Chemdawg

    Looking for prop ideas..

    Hello everyone. I know this gets rather repetitious, but here is what I have: 1987 Arrow Glass Carisma 175. 17.5' Fiberglass 1987 Mercruiser 3.0 with Alpha one drive I have a prop here that is cracked that is a 19pich, and the one that's on the boat, I have no idea what it is. I cannot see...
  6. Chemdawg

    RPM Range

    Hello everyone. Finally got to take my boat out for the first time yesterday for the year. Since this is my first boat, it really creeps me out to get the RPM's up so high. I keep thinking in terms of a car. But I realize that a boat motor is different. So here is my info. 1987 Arrow Glass...
  7. Chemdawg

    Tilt trim gauge sending unit

    I ordered a replacement sending unit for my tilt trim gauge for my 87 alpha one drive and it was wrong. The senders on mine were small windings like a variable resistor. The new one had brass. Doesn't work. Does anyone know the right mercury replacement number or a sierra number for the...
  8. Chemdawg

    Humminbird TS W Speed and Temp Sensor

    Hello Everyone. I have a Humminbird Fishfinder 565 that Is currently mounted in my 17.5 foot Arrow Glass boat. The only sensor is the one for the imaging that is mounted. I recently bought the TS W Speed and Temp sensor to use with it. Does this sensor need to be mounted at the water line of...
  9. Chemdawg

    Alpha one drive questions.

    Hello everyone. Over the winter I rebuilt my Alpha one outdrive. All new seals, etc.... I pressure tested it and vacuum tested it, and it worked out great. I also replaced both bellows and shift cable, and bellows for that. I put the outdrive back on today, and did a reverse type flow test...
  10. Chemdawg

    Alpha one Bellows Replacement

    Hello everyone. It's been a while. Been busy with the Army life. Anyways, I got a nice break in weather, so decided to put the bell housing back on my boat with new shaft bellows, exhaust, shift, and water line. All I can say is WOW. I could not for the life of me get everything to bend and...
  11. Chemdawg

    Raymarine Dragonfly

    Hello everyone. Just looking for some info. I have a really old Humminbird graph in my boat, and want to upgrade it to something with GPS and Sonar. My boat is a 17.5 foot fiberglass boat, with 3.0L Mercruiser. It's kind of a combination boat for fishing, and having fun with the family. I...
  12. Chemdawg

    Just thought I'd share....

    Re: Just thought I'd share.... Here are the photos of this project. Been kinda busy lately, so no time to download them. But here they are.
  13. Chemdawg

    Boat Foam

    Hello everyone. I have a 17.5' Arrow Glass Carisma. When I bought the foam, the owner said that the boat had a leak. That has been fixed, but he said it was leaning off to one side. So he pulled up the floor, and the foam on one side was sopping wet. So he pulled it all out, and used Great...
  14. Chemdawg

    Just thought I'd share....

    I thought I'd share my contraption here, since it might be of interest to other boaters here. I purchased an 87 arrow glass carisma 175 this last summer, and started working on fixing it up. The motor is complete, and I had rewired the electrical, but decided to redo some parts of it over the...
  15. Chemdawg

    Alpha One Outdrive Pressure Loss

    I replaced all the seals in the upper outdrive, and most in the lower unit. I made my own pressure tester, and screwed it in to the vent hole up top. I ran it up to 15 PSI on my gauge, and let it sit. Now this was at about 9 am when I did this. It is now 8 pm, and it's down to about 13 PSI...
  16. Chemdawg

    A couple of questions

    Hello everyone. Just recently I got my 3.0 mercruiser up and running like a champ again. Just in time to start shutting it down for the winter. I have a couple of questions though. 1: The two drain plugs I see on the engine are the one on the block, and one up about 6 inches on the bottom...
  17. Chemdawg

    At a complete loss...... UNLESS....

    Hello everyone again... Well more questions here.... In an earlier post, I commented on the milky color of my oil. So here come my problems and questions.. 1: 1987 3.0 Mercruiser with alpha 1 outdrive 2: No water in oil after running 3: Engine overheated during running because of a bad...
  18. Chemdawg

    Mercruiser 3.0/Alpha 1 drive Compression issues.

    Hello everyone. I have a 1987 Arrow Glass Carisma 185 with the mercruiser 3.0/Alpha 1 combo. Engine #B523519. After dealing with my fuel and spark issues, and rebuilding the lower water pump/impeller assembly, I finally got everything running using my rabbit ears. Motor ran great. Took it...
  19. Chemdawg

    Tilt Trim sender/gauge

    Hello everyone. I rewired my boat recently, and the only gauge left that didn't give me a reading was the tilt trim gauge. I tested the gauge and it appears to work properly. I took the cover off the sending unit on the side of the gimbal, and it was toast. So I bought a new one, and...
  20. Chemdawg

    Totally confused!!!

    Hello everyone. Hoping someone here has seen this before and can pitch me some intel. I have the 3.0 mercruiser 4 cylinder. Went through everything, and the motor runs great. I had realized that It was getting a bit on the hot side, so I shut it down before It got too hot. I decided to...
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