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  1. Lakes84

    Wiring harness compatibility

    Just got a call from my mechanic. He's got my new Indmar 4.3 motor in the boat, but is having an issue with the power harness. Maybe you all can explain what the heck he was speaking about. The boat is an 87 Sport Craft in show room condition. The old motor was a 4.3 OMC. I guess the wiring...
  2. Lakes84

    OMC 4.3 to 5.7 worth it?

    Would it be feasible to put a 5.7 engine into a 21 foot boat that had a 4.3 with the OMC Cobra outdrive? I understand the gear ratio differences, but not educated enough on the subject to know if it would work correctly. I've read where a prop change would/could bring the motor to the correct...
  3. Lakes84

    87 OMC Cobra and closed cooling system.

    With a new 4.3 Vortec motor married to a Cobra outdrive. Can I have a full enclosed cooling system, or do I need to go with a half system instead? I've read the outdrive, pumps a good volume of water. Is it enough to cool the whole system, or just the block. Would a through hull intake connected...
  4. Lakes84

    Holley 4150 or 4160 Carburetor, which one?

    A spin off from a different thread, where these two carbs were discussed briefly. I've done what research that I can on these two carbs and one of them is going on my boat....just not sure which one. So my question is, which one is the most recommended or the most common user friendly carb...
  5. Lakes84

    Rochester to Edelbrock OMC pre 91... Will it work?

    Buying a new engine from an online vendor. Trust me, I have spent HOURS & HOURS canvasing this forum and many others with my laptop (much to my wife's chagrin) I've done my due diligence on who to purchase from, so hopefully it's less of a crapshoot than before I started lol. My boat is a 1987...
  6. Lakes84

    Engine suppliers

    Looking for the best most reputable marine engine suppliers on the internet. I know of the main ones such as Rapido marine and Michigan Motorz, and a few others. I have also read the threads on the main ones I just listed. I read on here somewhere about A & L engine rebuilders (great warranty)...
  7. Lakes84

    Thinking out loud about a OMC to Merc setup

    Not to that point yet...Just thinking about the feasibility of changing out a 1987 4.3 OMC gm v-6 with a cobra outdrive on an awesome 21 ft Sport Craft Fisherman boat. That hull is gold on the big waters of Lake of the Woods, so keeping the boat is a definite (plus it's practically new). I...
  8. Lakes84

    4.3 Down, but is it out?

    Hi everyone Fishing has been great on Lake of the Woods, but the boating not so much. I have a 1987 Sport Craft with the 4.6 v-6 gm motor in it. I'm hoping it's just a head gasket. The motor is not hydro locked, it does still run. It just is real hard to start and not good at idling. When I...
  9. Lakes84

    OMC 4.3 fuel and electrical issue

    OK, First off, I've done a TON of reading and searching, then reading some more. I think now I have more questions than answers. I have an 87 4.3 OMC with the Cobra outdrive. Before I purchased this boat (Sport Craft) I did my due diligence and had the whole thing gone over. It was said to have...
  10. Lakes84

    I can't believe we have come to this!!!

    Twin Cities, Minnesota - A seven-year old boy was at the center of a Hennepin County courtroom drama yesterday when he challenged a court ruling over who should have custody of him. The boy has a history of being beaten by his parents and the judge initially awarded custody to his aunt, in...
  11. Lakes84

    A dog's purpose

    Got this from a friend today, who got it from another family member. Some of you may have seen it already. A Dog's Purpose? (from a 6-year-old). Being a veterinarian, I had been called to examine a ten-year-old Irish Wolfhound named Belker. The dog's owners, Ron, his wife Lisa, and their...
  12. Lakes84

    Kicker motor mounting on swim platform?

    HI all I have a 1987 21 ft. Sport Craft in Mint Condition. Runs great and idles down to 3.5 mph. (perfect for down rigging) My question is... I have a two year old Yamaha t-8 kicker that I pulled off my Ranger and I would like to put it on my SC (for safety and keeping the hours off of my big...
  13. Lakes84

    Slimy Grimy works well, but..........

    Purchased some Slimy Grimy for cleaning my 21 ft. Sport-Craft of road grime picked up from Florida to Wisconsin. I know I should have had the hull wrapped! My thought was, since SG works so well on algae and lake gunk, it would work well on road grime. Well, not so much, barley at all actually...
  14. Lakes84

    Preventing stringer and transom rot

    Hi everyone! My first post! I've been gleaning a lot of information from this site over the last few months and decided it was time to register! I'm from Minnesota, but live in Hudson WI. I fish Lake of the Woods mostly on the Minnesota/Canadian border. We just purchased a place up there, so...
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