Search results

  1. C

    Help! Bought a 1993 Four Winns W/ 5.0 OMC Cobra Motor and Drive - Losing power after crusing

    Would that be #4 in my picture.
  2. C

    Help! Bought a 1993 Four Winns W/ 5.0 OMC Cobra Motor and Drive - Losing power after crusing

    And I would be pressurizing into the thermostat housing correct?
  3. C

    Help! Bought a 1993 Four Winns W/ 5.0 OMC Cobra Motor and Drive - Losing power after crusing

    I've never been this deep into a motor. But I don't want to be completely out of 5 grand so I'm willing to try. Seller actually sent me back 1,000 because he felt bad.
  4. C

    Help! Bought a 1993 Four Winns W/ 5.0 OMC Cobra Motor and Drive - Losing power after crusing

    It actually ran and idles very well until about 3000rpm then it would die out after about 5 mins
  5. C

    Help! Bought a 1993 Four Winns W/ 5.0 OMC Cobra Motor and Drive - Losing power after crusing

    Thanks for all the help! Just got it will report back with results. What's the best case scenario?
  6. C

    Help! Bought a 1993 Four Winns W/ 5.0 OMC Cobra Motor and Drive - Losing power after crusing

    Sorry for all the questions. I'm going to pick up a cooling system tester now. Once I get it hooked up, am I listening for where the leak is coming from? And how much psi should I be putting in?
  7. C

    Help! Bought a 1993 Four Winns W/ 5.0 OMC Cobra Motor and Drive - Losing power after crusing

    Sorry for all the questions. I'm going to pick up a cooling system tester now. Once I get it hooked up, am I listening for where the leak is coming from?
  8. C

    Help! Bought a 1993 Four Winns W/ 5.0 OMC Cobra Motor and Drive - Losing power after crusing

    Do I need to put the manifolds back on?
  9. C

    Help! Bought a 1993 Four Winns W/ 5.0 OMC Cobra Motor and Drive - Losing power after crusing

    Is it somehti Is it something like this?
  10. C

    Help! Bought a 1993 Four Winns W/ 5.0 OMC Cobra Motor and Drive - Losing power after crusing

    Excuse my ignorance, what will that test tell me and how do I go about doing it?
  11. C

    Help! Bought a 1993 Four Winns W/ 5.0 OMC Cobra Motor and Drive - Losing power after crusing

    Blown head gasket? How would I check for that without a leak down tester. I don't have a tester or air. Already this far in I'm thinking of just pulling the heads
  12. C

    Help! Bought a 1993 Four Winns W/ 5.0 OMC Cobra Motor and Drive - Losing power after crusing

    Starboard Front to Back 110 109 115 120 Port Front to Back 110 85 105 105
  13. C

    Help! Bought a 1993 Four Winns W/ 5.0 OMC Cobra Motor and Drive - Losing power after crusing

    Other side. Will do compression next. Need to figure out how to disable fuel injectors
  14. C

    Can I buy a used 302 and use parts from my bad motor to convert it to marine?

    Other side. Will do compression next
  15. C

    Help! Bought a 1993 Four Winns W/ 5.0 OMC Cobra Motor and Drive - Losing power after crusing

    One side down
  16. C

    Help! Bought a 1993 Four Winns W/ 5.0 OMC Cobra Motor and Drive - Losing power after crusing

    User error. Missed 4 bolts. Can't get it off the studs and I can't get the exhaust out of the rubber. Still working away
  17. C

    Help! Bought a 1993 Four Winns W/ 5.0 OMC Cobra Motor and Drive - Losing power after crusing

    I'm having a real hard time getting them off is there a good spot to pry at them?
  18. C

    Help! Bought a 1993 Four Winns W/ 5.0 OMC Cobra Motor and Drive - Losing power after crusing

    I'm guessing I can just pull the manifolds off and inspect? Sorry I'm very new to this
  19. C

    Help! Bought a 1993 Four Winns W/ 5.0 OMC Cobra Motor and Drive - Losing power after crusing

    Is it worth all that with water in the oil pan after only a 30 min total boat ride?
  20. C

    Can I buy a used 302 and use parts from my bad motor to convert it to marine?

    Bought a boat on marketplace only to find out I got scammed. Seller put fresh oil in so it looked good. I took it out on the lake and now there's water in the pan. Not sure where it's getting in. I took one compression reading on the plug I could get to and not sure if I did it right but I got...
Top