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  1. holgo123

    Sender Units & Teflon Tape...

    1993 OMC Cobra Ford 5.0 l EFI/MPI ~ I am re-installing the sender units, oil pressure, oil pressure warning, and water temperature on a replacement engine. I found instructions on the water temperature to not put any teflon tape upon installation. I found mixed instructions on the oil pressure...
  2. holgo123

    1993 5.0 l Ford OMC Cobra Riser, these look o.k.?

    Since I have everything apart and am getting ready to install a rebuilt engine, should I take the exhaust manifolds/risers apart and inspect and replace the gaskets? They look good without any signs of leaking... The boat has about 300 hours on it... I don't want to do it if uneccesary...
  3. holgo123

    Break in oil? Such a thing?

    Is there such a thing as break in oil? I was reading the OMC Engine Service Manual for a 1993 OMC Cobra 5.0 L EFI/MPI going over the break in procedures and they mentioned not changing the factory break in oil until after the 20 hour break in is completed... Should a rebuilt engine start with a...
  4. holgo123

    OMC Ford 302 EFI convert to OMC 351 EFI?

    Can I take all my stuff off of my 1993 OMC Cobra Ford 5.0 l (302) and swap it over to a Ford Marine 5.8l (351W) long block? If so, any conversion issues? It looks like most of the parts have the same part numbers match up except the oil pan and coupler when I looked them up on Doug Russell...
  5. holgo123

    Spark Plug ?, What Happened? Some Close up Pictures... Updated

    1993 OMC Cobra, 5.0 l EFI/MPI I have had the boat out about 5 times since a lengthy transom repair and the last time out, I heard something in the motor kind of pop and then heard an intermittent ticking (like a lifter ticking). I just pulled all the plugs and found the #5 cylinder's (1st...
  6. holgo123

    Temp guage acting funny...

    1993 OMC Cobra 5.0 l EFI/MPI The last couple of times out my temp guage starts acting up once the engine is warmed up... I always start the boat and go park the trailer (wife stays with the boat), it warms up while I am parking. Once under way, the guage starts getting a little "jittery" and...
  7. holgo123

    1993 Chris Craft Concept 217 BR w/OMC

    5.0 L EFI/MPI Original wiring question... On the positive battery terminal lead there are 2 red wires, one thick guage (0-4 guage) that connects the battery to the starter and a thinner guage (10 guage) with a 50 amp fuse (has OMC part # on it) that leads to a harness in the engine compartment...
  8. holgo123

    Ammeter Guage

    I have a 1993 Chris Craft Concept 217 BR with a 5.0 L OMC Cobra EFI MPI. I replaced all the original guages with some Faria guages I got on E-Bay. The set of Faria guages had a Voltmeter Guage and the Original guages had a Ammeter Guage. I installed the voltmeter guage where the ammeter guage...
  9. holgo123

    Any precautions to boat in cold weather?

    1993 Chris Craft w/ OMC Cobra 5.0 l EFI MPI... I just finished a lengthy repair and am itching to go out on the lake. Is there any danger to boating when the water is so cold? It seems that the water would be a problem being so cold and pumping through the engine... Also, the oil in the foot...
  10. holgo123

    1993 OMC Cobra 5.0 l EFI, almost sunk it...

    I just finished up a lengthy transom repair... I had everything ready to go... Primed the oil pump, hitched her up and took it to the boat ramp... I backed her in and decided to run it a bit on the trailer. Before I turned the key, I opened up the engine compartment to see if it was dry. Holy...
  11. holgo123

    1993 OMC Cobra 5.0 l EFI Tilt Ram Refilling...

    I am refilling an almost empty tilt & trim system on a 1993 OMC Cobra 5.0 l EFi outdrive. The whole system was off the boat during a transom rebuild. The manual says to take off the cap ends of the rams and fill the low volume chambers. Is there another way? Can I fill the reservoir and pump the...
  12. holgo123

    OMC Engine Alignment...

    I am in the process if putting a boat back together after rplacing the transom. I have also replaced the gimbal bearing. It is a 1993 Chris Craft BR217 w/OMC Cobra 5.0 l EFI. I am aligning the engine. I had a hard time getting then engine back in the mounting holes on the front bracket, but did...
  13. holgo123

    Transom Thickness/Engine Alignment?

    1993 Chris Craft Concept 217 BR w/ OMC 5.0 L EFI Cobra... I am putting my boat back together and am having trouble using the existing holes for the front motor mounts. I think I may be off a little on the thickness of the transom when I rebuilt it. I can pry the motor mounts back and get the...
  14. holgo123

    Trim Pump Hydraulic Line Connections...

    I have a 1993 OMC Cobra 5.0 L EFI in a Chris Craft Concept 217 BR that I am re-installing. I have the manuals but can't find this info... I disconnected all the lines and did not make note of their locations... The two lines going in to the pump, one hole has "UP" (the right side), the other is...
  15. holgo123

    Coutout Shape of Outdrive Hole...

    I have a 1993 Chric Craft Concept BR 217 with a 5.0 L OMC Cobra. I am getting ready to re-install the outdrive after replacing the transom. I just remembered that the old cut out had a round area cut out at the top on both sides like the factory ran a big drill at the top two corners of the...
  16. holgo123

    Almost ready to start back up ??? ...

    I have a 1993 Chris Craft BR 217 with a 5.0 l Ford OMC Cobra EFI. Last year I had a catastrophe with discovering a rotten transom and my engine hydrolocking out on the water... I got all the water out, changed the oil, filter, plugs and ran the engine for about 30 minutes before taking it to my...
  17. holgo123

    Drilling Transom Bracket Holes...

    Any tips on drilling transom bracket holes through a newly replaced transom on a 1993 Chris Craft Concept BR 217? It has a OMC Cobra 5.0 L V-8 in it. I am worried about keeping the holes squared up as I drill through. The transom is 2" thick where the outdrive passes through the transom. Thanks...
  18. holgo123

    Cutting out transom/Does orientation matter?

    I was getting ready to cut out the new wood for the transom and wondered if it matters what direction you line up the wood. I am trying to use it the most efficient way possible so I can cut out two pieces out of one sheet... Thanks!
  19. holgo123

    Rope Transom Seal on OMC...

    I am going to be re-installing the motor and transom bracket after a long repair replacing the transom on a 1993 Chris Craft Concept BR217 with a OMC outdrive. Is the rope seal a dry fit with a little sealant where it meets or should you put sealant in the groove and on the seal where it meets...
  20. holgo123

    Discovered miracle tool... (air hammer/chisel) 1993 CC Transom Project...

    At the beginning of summer I had a running boat... I took a week off, cleaned her up, added some new graphics and docking lights... Changed the fluids, etc... I was only able to use it 4 or 5 times when a whole bunch of things happened... Somehow I think they were all interconnected... I took on...
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