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  1. subcrx

    OMC exhaust flapper alternative.

    power specs, Originally OMC cobra 5.7. Sei 106 outdrive conversion. Has OMC log risers with Y pipe. The boat has been missing the flappers in the Y pipe since I've owned it. I've had water intrusion on 3 separate occasions. 1st and 2nd time waiting in line to get into the launch ramp trying to...
  2. subcrx

    Alpha One Gen 2 impeller delete question

    I have a 87 Bayliner with a Chevy 350 with a Alpha 1 Gen 2. Closed cooled for the ocean. The impeller broke out at the middle of nowhere and had to get a 5 hour tow back in from the island. I have worked on some Volvos that have the impeller on the crank. Is it possible I can just remove the...
  3. subcrx

    High voltage issue causing alarms and equipment malfuncions

    I have a 87 Bayliner with and OMC 5.7 and Merc outdrive conversion. I'm sure this has been asked before but I can't find a threat similar enough to my problem.. The problem happens when running on 1 battery but more when I switch the perko to ALL. With the engine running and switch on battery 1...
  4. subcrx

    What to do about this old toilet.

    OK on my old 87 Bayliner Cierra I have this exact same toilet. It uses raw water then ejects in to the holding tank. Now it has a few issues, It leaks in a few different places. Is the bowl universal to other systems? Can I just buy an electric upgrade kit and use the old bowl which is of pretty...
  5. subcrx

    Edelbrock electric choke, hook-up power where?

    OK I have an 87 Bayliner Cierra with an OMC 5.7. After years of fighting with Quadrajet issues I finally installed an Edelbrock 1409. The manual says not to connect the positive choke wire to a keyed ignition source. I don't know of any other ignition power source. I've heard of others...
  6. subcrx

    Alpha 1 Gen 2 prop hardware question

    Ok so I have a new outdrive, converted from omc to mercruiser. I now have an Alpha 1 gen 2 outdrive. The drive came without a prop and hardware. I bought a Solas Amita 3 prop with a pressed in hub and that's all I have. I can't figure out what else I need. I have no thrust washer and nut. I've...
  7. subcrx

    Best gear lube for cobra drive.

    Just rebuilt my 5.7l gearcase cobra outdrive from bottom up. Near GLM heavy duty gearset and dog. Not sure what the best lube would be to use. I have a couple bottles of Mobil 1 Synthetic Gear Lube LS 75w-90. Is this the correct lube? I've been searching online and have found people using...
  8. subcrx

    Prop fell off. whats parts will I need?

    I have a cobra drive with 5.7 gear setup. Last weekend the prop came off along with everything else that was there. So far I have a new prop, prop nut kit which has three parts, cotter pin, nut, and a castle lock that goes on the nut. Is there anything else left? Is there a spacer that goes in...
  9. subcrx

    Question about Cobra shift cable travel at the bellcrank.

    I have an 87 OMC cobra with 5.7l. Since day one Ive have problems with my drive clunking in forward. When shifting into forward I notice the shifter has to move much further than reverse to catch. I finally closed this gap by increasing the throw on the shifter handle. But my question is is it...
  10. subcrx

    Clutch dog on OMC Cobra replacement

    I'm pretty much a do it yourselfer on everything on this boat. I've replaced everything on it since I bought it. I am currently running a 87 Bayliner with a 350 and cobra outdrive. The clutch dog has been slipping since day one and now it's slipping all the time. I have had the cable adjusted...
  11. subcrx

    Choosing the right plug wires.

    I have an 87 OMC Cobra with a small block chevy. I was wondering if anyone can suggest some good plug wires. I'm willing to spend good money on a high quality set.
  12. subcrx

    Starter problem OMC with Chevy 350

    I have an 87 Bayliner with an OMC cobra setup. The engine is a Chevy 350. Recently I replaced the starter. Now at times when I try to start it the starter just free spins as if its never catching the flywheel. I inspected the flywheel and starter and they look ok. However I did notice on the...
  13. subcrx

    OMC lower unit gear housings.

    Looks like my 5.7liter OMC Cobra lower unit gear housing has to be replaced because the carrier bearing wont seal deep inside, its just too pitted. A new housing runs 1800 bucks. So im going to have to go with a used one. Ive found several but dont know if it will fit. The GLM one seems to...
  14. subcrx

    OMC Cobra leak from Carrier bearing O-Ring

    My 87 cobra is the 5.7 model. Its gotta leak from the rear of the carrier bearing o-rings. I replaced them once already. Held for only a few months and now its leaking again from the same spot. I remember when changing it out the inner walls of the lower unit housing were pitted a bit and...
  15. subcrx

    Chevy 350 pings under load.

    Hi I have a 87 omc setup with a rochester 4 barrel and the motor is a 350. Timing is right on. 6 degrees advanced and at 3k fine in nuetral. As soon as I put a load on it it pings. Gas is new. Only thing I can think of is the distributor. Any suggestions?
  16. subcrx

    Hydrolocked all cylinders loaded with saltwater. What happened?

    My 87 bayliner with its 5.7 liter cobra drive locked up on me at the launch ramp. I was on my way in from a days trip. boat ran well for the most part except for that stalling problem under load that I have been battling forever. Once I got back to the launch ramp at days end the ramp was...
  17. subcrx

    Stalls under load, just installed new engine

    Last couple trips out since the new motor while trying to get out of the hole engine stalls or almost stalls, rpms drop from 3500 to 500 or just completely stalls, starts right back up after. Im running a omc setup with chevy 350, carb is a quadrajet, and have electronic distributor. Any ideas?
  18. subcrx

    closing off an old thru hull

    I have a 1 inch thru hull drain on my starboard side thats under the water line. It is not in use. I want close it off. is there such thing as thru hull plugs? I cant find anything that will seem to work
  19. subcrx

    OMC shift assist module problem

    shift assist module not operating, The previous owner installed electronic ignition . is there a way to make it compatible with it?
  20. subcrx

    New engine. High oil pressure.

    Just took my boat out today after installing new 5.7 350 with a rochester carb. cooling system is closed. Oil pressure gauge maxes out at cruising speeds and when at idle drops to 80psi. It has never done that before, before it would read 40 when cruising and 0 at idle. Anyone seen such a...
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