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  1. thestigmach1

    Lake winnebago launch for larger boats

    I am wanting to take my 28ft twin engine cruiser to lake winnebago this weekend to see the EAA show. Can anyone recommend a good launch to use on the northern side of winnebago for this size of boat? I usually boat in the bay. Thanks
  2. thestigmach1

    engine will not rev past idle

    I recently built a 350 for my boat with agressive cam and intake. Ive done similar builds many times before. Intermittently it will not rev past idle. It just sits and makes a chugging sound. The tach drops to very low rpm even though I can hear the engine is not that low. Sometimes it runs...
  3. thestigmach1

    new impeller still no water

    I replaced the raw impeller in my alpha one gen one sea sprite because last year it failed. After replacing impeller I get no water. Im on ears on a hose. Thought maybe I had it in backwards so took it apart to flip it around and ran a hose through the lines to make sure no blockage. Put back...
  4. thestigmach1

    People swimming at the docks

    I boat out of door county Wisconsin usually launch in pottowatami state park. There is a constant problem of people and kids fishing, swimming, and otherwise playing on the docks. Its extremely dangerous especially for kids to be swimming where the boats launch. They walk right down the ramp to...
  5. thestigmach1

    Ignition sensor tests bad after installing new engine

    Recently traded for a 1984 sea sprite 25ft. Has 350mercruiser in it. 4th time out engine developed a horrible knock. Yanked it out and installed a truck 350 to get me by while I rebuild the other motor the way I want it. Guy I had helping me put all kinds of things wired wrong and backwards on...
  6. thestigmach1

    engine not spinning prop hub good coupler good

    I have a 1985 searay 19ft with 230 mercruiser. Replaced coupler and prop last year. While out yesterday cruising the engine suddenly went high in rpm and lost forward motion. No forward no reverse noticed at that point that the engine temp was a bit high. Got towed in messing with it on the...
  7. thestigmach1

    Side exhaust tips

    I'm wanting to run side exhaust on my sea ray, because the v8 noises make me happy and I like being that guy you can hear across the lake. For some reason I cant find any side tips that are reasonable priced and am wondering if theres any reason you cant run flush mount thru hull with internal...
  8. thestigmach1

    Fixing new hull ID HIN

    For some reason in Wisconsin boats over a certain age have to get a new hin when they are sold to a new owner from the owner that was grandfathered into the old laws. So now I need to get the new HIN on my boat on the transom and somewhere inside as well. The hull is fiberglass. Does anyone know...
  9. thestigmach1

    Which engine coupler do I have?

    I just got a 1985 sea ray 197 monaco with 230 hp mercruiser. First time out the engine coupler gave up the ghost, not very happy with the guy that sold it to me. There are two part numbers for this engine and would really like to have the coupler before I pull the engine. Is there any way to...
  10. thestigmach1

    Difference between v8 and i6 prealpha bellhousings

    I'm in the process of doing an engine swap from a 160hp i6 to a 400 sbc v8. Yes i know thats not a marine engine, yes i know i have to use marine parts, and ues i know they overheat issues but ive already taken care of all that. I have to be different and use a 400. I had to use the i6 flywheel...
  11. thestigmach1

    Switching outdrives, new one wont go back in

    I have a 1969 boat that I swapped a v8 into from a i6. I bought an outdrive with the 1.5 ratio to put in it since the v8 would supposedly tear the 1.62 to shreds. I had aligned the engine and the old one slid in perfectly. (At this point I didn't have the new one) now that I have the new one I...
  12. thestigmach1

    engine compatibility with mc1 outdrive

    I have a 1969 boat with a 160hp straight 6 and mc1 outdrive. I'm wanting more power so I want a v8. If my research on gm engines serves right my engine and small block Chevys will bolt up all the same except for the front engine mounts and of course exhaust. I plan on running through transom...
  13. thestigmach1

    1969 mercruiser 160 carburetor

    I've decided to put a new carb on my old engine since the original Rochester needs rebuilt and I can buy a new holley or edlebrock for not much more than a kit. My question is does anyone have experience with either on this engine and which one does the engine like better?
  14. thestigmach1

    prealpha out drive power ratings

    I have a 1969 mercruiser 160 with a matching prealpha outdrive. I'm wanting to do a overhaul on the engine and turbo it. I've videos of this engine on the automotive side with a turbo and it produced around 260hp. Can the outdrive handle that kinda power?
  15. thestigmach1

    Haswing Trolling Motor

    Not sure if this is the right spot for this but it seema the moat relevant. Im wanting a trolling motor for my boat that has a remote for it. I have a closed bow runabout so a cable steer isnt practical and I dont want the wire for the pedal traced to thw back where i fish from. The problem is...
  16. thestigmach1

    fuel flow rate 1969 mercruiser 160

    The fuel pump on my old 160 merc went out, first time ever seeing water too, and I ended up buying a fuel pump from Oreillys that is supposed to be good for marine. It's rated at 7 psi and like 60gph if I remember correctly. What should this engine have on it?
  17. thestigmach1

    Rollers

    Im new to the fiberglass boat world, always had a pontoon before. I bought a project boat and its finally almost ready for the water. Upon further inspection of the rollers they seem to have over time taken the gelcoat off the hull. Is that normal? It is a 1969 and looks like all original...
  18. thestigmach1

    Trim on Mercruiser outdrive not working

    I have a 1969 IMP with a mercruiser setup. I bought this as a project so there are numerous things coming up to be wrong. One of them that is keeping me from being able to test the boat now that the engine runs is I cant trim the outdrive up or down. When I push the down button the pump makes...
  19. thestigmach1

    Rerouting Exhaust on mercruiser outdrive

    I have a 1969 Santee V with a mercruiser 160hp in it. Im wanting to run exhaust out the sides of the hull instead of through the outdrive. Is this something that is relatively easy and inexpensive to change or is it stuck how it is.
  20. thestigmach1

    no pressure on outdrive trim

    Im looking at a 1969 imp santee v with a mercruiser 160 in it. its a project boat and hasn't run in a few years. I know about boats in general and the inboard engine is essentially just a car engine so im good there. But this will be my first inboard or I guess technically stern drive and I...
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