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  1. M

    Unidentified wire

    This was the post that threw me off
  2. M

    Unidentified wire

    Yeah Thank you I was just reading a post about how to identify the difference between the 4 and the 5 and it was said that the 4 was mounted to the exhaust and the 5 was mounted to the distributor so I ended my search and just concluded that I had the 4 module and not the 5 but Thank you guys...
  3. M

    Unidentified wire

    Ok so it is a thunderbolt 5 ignition...
  4. M

    Unidentified wire

    There is a purple/white wire at the ignition module so I will check between the 2 wires with a volt meter.. not sure why the previous owner would have kept it in base mode but I'm sure thats why he sold it for a song because it cranks up and idles great.. he must have seen wires unhooked and...
  5. M

    Unidentified wire

    L095209
  6. M

    Unidentified wire

    I did not know that thunderbolt 5 was also on the manifold. Would the wire be at the front of the engine?
  7. M

    Unidentified wire

    Anyone have any other ideas
  8. M

    Unidentified wire

    I have the thunderbolt 4 ignition the module is mounted to the exhaust so no base mode
  9. M

    Unidentified wire

    Working with a 1998 mercruiser 4.3 I have a purple wire with a white stripe that is connected to a black wire. it comes out of the wire harness right where the fuel pump connects. My wiring diagram shows purple/white stripe wire is for trailer trim but it doesn't show that it connects to a...
  10. M

    Making engine beds

    The stringers are in but they will go untouched I am only adding the engine mounts the boat had a 3.0 in it and I'm putting a 4.3 in
  11. M

    Making engine beds

    Also do I tab first ( before I cover the a blocks) or after I cover the blocks
  12. M

    Making engine beds

    My mounts have been peanut buttered in and it's currently curing but after it's cured should I tab and cover at the same time or tab let set up and then glass in ?
  13. M

    Making engine beds

    Thanks
  14. M

    Making engine beds

    Hey todhunter I looked through your thread but didn't see if you posted. How many layers of 1708 should I cover the mounts with? I believe if my math is right 8 layers would be about 1/4 inch Thanks Mark
  15. M

    Making engine beds

    Not center out I don't know why I put that what I meant was the height needs to be 6 inches finished. Do I make my block 5 3/4 and make up the rest with the glass ?
  16. M

    Making engine beds

    My engine beds need to center out at 6 inches finished it looks like so how much should I allow for the glass layup?
  17. M

    Making engine beds

    1/2 plywood or 3/4 ? Sorry for all the ?s
  18. M

    Making engine beds

    I like the idea of the rotted resistance wood but how do I make it to where the lag bolts on go into that wood .. should my laminated wood beds be positioned stacked on top of one another and the leg bolt go down through the different layers or should they be positioned side by side and the...
  19. M

    Help with year and ID of engine

    I'm pretty sure it's a ford engine ( distributor in the front of the engine) so I was thinking 5.8
  20. M

    Help with year and ID of engine

    Omc I believe 89 year but when I look up model and serial I come up with a blank Number on transom bracket is MOD 985680 or 985880 And SER T0183125 Number on drive unit MOD 986702 And SER T0730645 Number on valve cover MOD 985689 And SER T0627247 Thanks in advance
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