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  1. ShowMeGuy

    73 Merc 850 lower unit hole

    I have a 850 lower unit that was a parts motor/spare that is no longer needed as the Boat/Motor it was sparing has been sold. I am looking to sell this Lower unit but wanted to make sure it's in good order prior to advertising it. There is a hole about the size of a coffee stirrer that goes...
  2. ShowMeGuy

    Where does everyone put a TUBE with a OB when not in use?

    Where does everyone put a TUBE with a OB when not in use? Just wanted some opinions on what works for others for this. I've seen were it's left behind on the "WYE" rope and out of the boat to allow cruising to and from... Anyone see an issue with doing t that way?
  3. ShowMeGuy

    Motor Well Drain tubes

    Can anyone give me a hand in what I should be using for new splash well drain tubes the hole is 1 inch in diameter but I'm not sure what length to use? I've also remember reading there was someone that made up their own little tappering / rolling compression setup... So i Guess I need help...
  4. ShowMeGuy

    StarCraft Transom End Caps

    Wasn't there someone on the board that had some End Caps made? The Portside rear one on the 16' supersport is cracked in the corner and has been tweaked. I'd like to get that corrected as I pulled the motor and transom out and cut some new plywood... Titebonding tonight and then starting on...
  5. ShowMeGuy

    1973 Mercruiser 165 hp Alternator question

    Can anyone tell me what model of alternator I have for my Merc 165? From what I can tell it looks like a 10SI alternator with anti spark shields in the vent holes.. Looking at it it only had one wire hooked up to the big post on the rear and a ground wire to the housing.. Would this one here...
  6. ShowMeGuy

    73 850 Merc Charging?

    I breifly looked thru the SM but didn't find what I was loocking for. What are a few steps to verify my Motor is charging the battery as it should? What should the yellow wires (AC voltage be to the recifier from the stator)? Then what should I have on teh red wire going up to the control...
  7. ShowMeGuy

    Merc 850 ground straps

    I replaced a faulty/cracked float bowl on the Merc850 today and it was getting a little dark and I noticed that I was getting a little spark jumping from the screwdriver to the carb idle screw when I was adjusting it. Could not having the little ground straps from the upper gear housing/exhaust...
  8. ShowMeGuy

    1973 Merc 850 Power Head removal

    I decided to take a little deeper dive into the possible water in my #4 cylinder and maybe #3. And the not wanting to idle right after a dual carb rebuild with new floats and retiming/syncing. Here is what greeted me when I removed the power head from the base. What would cause this to...
  9. ShowMeGuy

    1973 Merc 850 Exhaust

    I have a 73 Merc 850 that has 2 opening sunder the bottom cowl. I believe it's call the exhaust extension plate? How much was should be coming out from those ports if any? This is where I'm leading into my next question, the Motor runs/idles out great when its first put in, shifts in and...
  10. ShowMeGuy

    1973 Merc 850 Timing advace

    What is the max timing advance on my 1973 Merc 850? SN 3740426 Is it max 21 or 34 deg? I'm going to do this this evening. http://forums.iboats.com/showthread.php?t=168855 But had a questions on the Max timing advance portion comment below. Timing Event Two - max advance. As you continue...
  11. ShowMeGuy

    73 Merc Coil and Plug wire removal???

    Hey.. I've tried to remove the plug wires from the coil and the distributor cap on my 73 850. I been told they were screwed in under the cap but I can't see that. I was out on another website lookin at parts and noticed a "Ring Lock" in their distributor parts n pieces. I will try to see...
  12. ShowMeGuy

    1973 Merc 850 Carb Rebuild

    I've just picked up a 1973 Starcraft that has a 850 Merc (SN# 3740426) on the back of it. Starts and runs but idles rougher than I'd like. I've got a bid out for a paper Merc service manual but in the mean time I'm slowing taking parts off and researching here on iboats. What I've removed...
  13. ShowMeGuy

    1973 16' Starcraft Super Sport new to me

    Picked this old boat up yesterday.... Not bad lookin for the age. Motor has 145psi across all the top 3. gonna have to figure out how to get to that bottom plug tonight. PO told me the electronic choke was out.. Solenoid works when I jump 12V direct so my next step is going to be the...
  14. ShowMeGuy

    Single Axle trailer shackles

    I didn't pay close enough attn when I tore my trailer apart. Where does everyone put the shackles for the leaf springs? Towards the front (the way I installed them) or towards the rear?
  15. ShowMeGuy

    Cabin door/screen door

    Been trying to find some ideas on how I could easily remove a cabin door similar to what is in the pic below to making it just a homemade screendoor for the hotter summer days.... I'm just not coming up with any good hinges that the pin looks to be removable.... Any help?
  16. ShowMeGuy

    Merc 165 Points question

    I picked up a donor boat that I'm hoping has a good block and wanted to try to get it started before I go thru the trouble of removing it to find out it's not worth fixing. That brings me to where I am now... Not all that far unfortunately. I'm getting beat up by my points. So here is my...
  17. ShowMeGuy

    Merc 165 block swap

    Ok... I'm having a heck of a time finding a replacement block for my 165 that the PO didn't winterize. Is there any reason or gotchas that would keep a guy from hitting the auto salvage for a 250ci block in an old truck that I could hopefully take the best of the internals and all the marine...
  18. ShowMeGuy

    4.3l with Alpha I

    I went and looked at a donor boat that I was hoping to do a transplant from last night. I'd like to see if I can get some other thoughts on a few things. 1) I was expecting to get/see water coming out from the exhaust bellows as it was broken, otherwise I would think it would be flowing out...
  19. ShowMeGuy

    Inner and Outer transom plate removal

    I've pulled the motor out of my old Tin boat, the outdrive and the bellhousing & bellows. Now, all that is left is the stuff that is hanging or bolted down or to the Inner transom plate. Like say the trim pump and it's hoses. 1st the trim pump. Where should I remove the hydraulic hoses...
  20. ShowMeGuy

    MC1 drive unit removal

    I removed the drive unit on my MC1 last night. Twas a first for me, and all of this is a first for me, IE working on a boat. More of a tractor guy.... Is there anythign here that screams throw in the towel or start looking for a new one etc... I thought it looked "OK" just some corosion...
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