Recent content by lilb

  1. lilb

    7.5 king cobra tune up ?'s

    I have a 460 king cobra in my boat and I'm trying to gather up the parts and info for a tune up. I already got the cap, rotor, points, condenser, and plug wires. My question is what plugs to run (and gap) and what to gap the points at? The boat is about 30 min away and can't really look at the...
  2. lilb

    OMC Trim doesn't Work

    I am helping a friend with the trim issue on his boat. 1990 Baja 240 es with 460 king cobra and the trim doesnt work at all. We will be working on it in the morning again because we ran out of sunlite. I was wondering if i could some how run jumper wires to the battey to see if it goes up...
  3. lilb

    3 balde 21p ss vs. 4 blade 20 aluminum

    I was wondering what to expect as far as performance difference between a Quicksilver 3 blade 21 p ss prop vs. 4 blade 20 p aluminum prop? Rite now it is a dog out of the hole and hits 48 mph on gps. Will the 4 blade prop give me a better hole shot with out losing mutch on the top end? Thanks...
  4. lilb

    1977 johnson 140 wiring help

    Hi I am working on a friends boat and we are in need of a wiring diagram for the motor and the trim motor. If anybody out there has one it would be greatley appreciated. Motor 1977 Johnson 140 hp v4 Boat 1976 Checkmate inmate Thanks
  5. lilb

    Is it just me or is the boat to slow

    I have a Cobia 225ecs with a 320 hp sbc and alpha 1 gen 2 (1.50) and a quicksilver 14x21 p stainless prop. The boat weights 3800 lbs. I finally got the new motor hrs. up to 12 so i started holding it at wot for about 2 mins. to see what max speed and rpm were. 4800 is max rpm at wot and 44 mph...
  6. lilb

    5.7 mercruiser repair manual

    I was wondering if anybody know's where I could find the mercruiser service manual online for a 1991 5.7 with the thunderbolt iv I need the wiring diagram for the engine. I wish I would have downloaded it to my computer before they got erased. Thanks
  7. lilb

    Distributor gear broke off!!!!!!

    Re: Distributor gear broke off!!!!!! Well I finally got a chance to take a look at the motro to see if everything else was ok. What i found was all the valves opperate as they should:cool:. I cant tell if it is a roller cam or not yet im gonna have to take the intake off the motor to find that...
  8. lilb

    Distributor gear broke off!!!!!!

    First off i have a Cobia 225 esc with a 5.7 and a alpha1 gen2. The last time I took the boat out it ran great on the way to the beach, but on the way back it seemed like it was working really hard. For a motor with 320hp it shouldnt't have been struggling that hard to get up to 40 mph with a...
  9. lilb

    will it work

    Hi I have a rather unusuall question. I was wondering if a mercruiser series 1 lower unit will bolt up to a gen 2 transom? I already counted the splines and they are the same, as is the length of the shafts. iI just would like to know if there would be any other problems i would incounter. The...
  10. lilb

    350 engine difference

    sorry to ask but i tried looking and came up with nothing. What truley is the difference between a truck 350 and a boat 350? I already know the core plugs, and gaskets but that is about it that i can think of.Any info would be greatley appreciated Thanks
  11. lilb

    alpha 1 help

    I was wondering if anybody would be able to tell me if a Alpha 1 gen 1 lower foot will work on a Alpha 1 gen 2. Thanks for any input.
  12. lilb

    crack in lower unit

    I have a Omc King Cobra lower unit with a 6" long crack on the port side by the nose cone. I was wondering if you have to pull all the gears out to reweld it or if that is somthing u can do with it all togeather. Thanks. It also looks like it already had a nose job before i aqqired it.
  13. lilb

    omc king cobra question

    hi i have a king cobra lower unit was wondering if anybody woud be able to tell me the year of it part # 985691 serial #t0655557 thanks for any answers
  14. lilb

    vibration when trim is up

    would anyone be able to tell me why i have a bad vibration when i trim up? It will do it even half way up, but down it is fine? Just replaced gimble bearing,bellows, alined motor but still vibration. mercruiser 3.0 alpha 1
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