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  1. 8

    engine dies please help

    So heres the story. I have been rebuilding this boat for 3 years and finally was able to take it out yesterday for the first time. It is 88 omc 4.3L with cobra drive. It was running strong but had an intermittent what I would call "miss". It was studder every now and then (i would notice it...
  2. 8

    New boat, missing prop

    Hey.. just wondering if anyone can help me figure out what prop I should get for my boat. Ive been looking on ebay, but just dont know what to get. I have an 88 Sunbird skiboat, that is 17.5 ft with a 4.3L and omc cobra drive. It is a 15 spline, but thats all I know. Someone stole my prop...
  3. 8

    Need Advice 4.3L omc manifolds

    So Im going to take the plunge and get new manifolds. I found 2 sets on ebay. Which ones do you guys recomend? Dont be confused on the top one.. they show a pic of the stock manifolds first, but scroll down to see the ones they are selling. The one on the bottom is more expensive.. but...
  4. 8

    Starter

    I am completely overhauling my 88 4.3l omc cobra. Installed a new starter, trying to figure out what wires go where on the starter selinoid. I have four posts, two large lugs on the top and bottom 2 small lugs on the left and right. Thanks
  5. 8

    Noise in sterdrive

    To make a long story short, I am in the process of a complete overhaul. I have an 88 omc cobra drive and 4.3L. I installed the motor, used an alignment tool and was in the process of popping in the drive when I went to turn the prop shaft and heard a pretty loud noise. It is louder when...
  6. 8

    Gimble bearing

    Im in the process of aligning my new motor, I did install a new gimble bearing and bellows as well. How do I know if my gimble bearing is seated correctly? I was having a really hard time getting my alignment (left and right) to get my alignment bar into the coupler. The coupler was too far...
  7. 8

    Alignment question

    I just put a new motor in my boat, got my alignment tool yesterday. Trying to align the motor, and having a very difficult time. It looks like the problem is the rear of the engine is too high. On my Omc rear engine mounts, it seems that there is no adjustment. Has anyone ever ran into this...
  8. 8

    Need Advice

    Ok. So here is my situation. I purchased an 88 Sunbird w/ an omc 4.3l. When I got the boat the engine was completely seized, and when i pulled the motor apart there was water in the pan and the cylinders where totally rusted. The guy I got the boat from said he was running it, all of a...
  9. 8

    Need info on omc 4.3L

    Im really in a bind. Can anyone please help me. All i need are some pictures of the outside of an omc 4.3L carborated engine.. Im trying to figure out how to mount some the the misc. brackets, hoses and wires, but Im lost. A friend ripped out the motor, im trying to put it back in and connect...
  10. 8

    A few simple questions

    Hey everyone.. Im in the process of restoring my boat, and Ive run into a couple questions that I cant seem to find the answer to in the search. 1. Where can I rent or purchase an alignment tool? I have an 88 Sunbird w/ omc cobra 4.3L. Id like to align it today, but cant seem to figure out...
  11. 8

    Bellow question

    Hey guys. Quick question for ya. I ordered a new transom kit for my 88 omc cobra. I got the stuff a couple weeks ago and am just getting around to installing. Well I got the old exhaust bellows out, and grabed the new one when I realized that the new one has all holes in it. It looks like...
  12. 8

    Gas Tank?

    Hey.. I have an 88 Sunbird Corsica 17.5 w/ 4.3L omc. Just wondering where the gas tank is located from the factory. Mine is on the right hand side (if looking at the front of the motor) of the motor. Its just held down by a couple of L bracks and screws. Its nice that its easy to access, but...
  13. 8

    To replace or not to replace?

    I have an 88 Sunbird w/ and 4.3L and Omc drive. I have the outdrive off and the engine out am in the process of getting the new motor ready to go it. My question is.. Should I replace the bellows and other parts inside the ?transom? (the part that the outdrive mounts to)? Is it easier to do...
  14. 8

    Need Help , Im a Newbe

    Hey everyone. Im pretty versed in auto repair.. but clueless about boat repair and need a little info. I purchased a 88 Sunbird Corsair last year from a friend. It is a 4.3L OMC Cobra. The condition was this: The engine was seized and full of salt water. My friend said he and his father...
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