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  1. nola mike

    Wiring help needed 4.3L TB-IV

    getting close to firing up my 4.3l. I thought I had everything I needed to start out of the boat (wiring harness and gauges from old boat) but don't have the shifter with me. So plan b was to jump the pins on the motor harness. Double checking the pins I got some odd resistance readings. There...
  2. nola mike

    Coil part numbers?

    Anybody have an auto that uses a compatible coil to a 4.3l with TB-IV ignition? Wanting to find something locally, Napa doesn't have theirs in stock, so looking for something that AutoZone or advance, O'Reilly's carries.
  3. nola mike

    Purpose of the 90A starter fuse?

    Doing some rewiring. Noticed that my 4.3L didn't have a starter fuse, so I decided to grab one. Looking over the wiring diagrams however, I'm not really sure of its function. It's unclear to me which wires are connected to the protected side. It appears only the red wire to the slave. If that's...
  4. nola mike

    New electric fuel pump install

    I'm installing an electric fuel pump on my new '01 4.3L block. Getting a bit confused. Plumbing: 1. I know I can use A1 fuel line after the pump to the carb. The pump uses 1/4" NPT fittings on both sides, and the carb uses a 3/8" inverted flare. Hopefully that's something I can get locally. I...
  5. nola mike

    Remote oil filter kit?

    Looking to install a remote oil filter kit on my hopefully-soon-to-be-installed 4.3L. I have no idea how the accessibility will be prior to the engine install, but figure it couldn't hurt. The OEM kits are well over $300. Auto ones are $50ish. I've seen stuff on here about trouble with the auto...
  6. nola mike

    25 hp Merc no start after flooding

    Went to go for a ride yesterday. Started OK, but was running a bit rough until revved, and smoking. Didn't think TOO much of it until it stalled and wouldn't start. Having problems with the switch (sometimes it turns the starter, sometimes not). Tried to pull start it when I realized that the...
  7. nola mike

    Nola Mike's 3.7/470 --> 4.3L swap thread

    Finally got a chance to get back to the motor. Got the rockers/pushrods in, valve covers, a few brackets and accessories, put in a thermostat (that spacer was fun to remove), coupler on. Starting to look like something that might actually run at some point. Only issue was the flywheel cover. I...
  8. nola mike

    Power steering hose replacement?

    Anyone know the fitting sizes for the high pressure power steering hose from the pump to the control valve? I don't have one of the fittings. Pn is 32-90494. Going to try to find an off the shelf replacement, or have one made up. $150 for the OEM part...
  9. nola mike

    Nola Mike's 3.7/470 --> 4.3L swap thread

    Ok, finally made it back. Compression was initially a little low. After some cranking, I ended up with 150-160 psi in all six. And then off with its head(s)! Some carbon in there, but the cylinders looked good. Walls very smooth. Double checked the '89, it does have a roller cam btw. The '01...
  10. nola mike

    Glassing in new motor mounts?

    I'm replacing my 3.7L with a 4.3. Next week's project is going to be to glass in some new motor mounts. I've had some advice on how to measure, what to do, etc, but couldn't find a ton of info. I replaced the floor a few years back, and the stringers are in good shape back there. 1. I don't plan...
  11. nola mike

    Turning motor over, where to put the juice?

    Going to compression test the new 4.3 tomorrow. Got a battery, and a long block with starter attached. I don't recall seeing the slave, but assume that it's still on there (?). What's the best way to do this? I'll probably use jumper cables, since I'm not sure what kind of wiring I have...
  12. nola mike

    Boat fired up on first crank...has this ever happened?

    Threw the skiff in the water last weekend after the weekend. As expected, battery dead. Gas from the end of last year. So go to pull start, and it starts on literally the first pull. 2 stroke engine. This has to be the first time in history this has happened. I was so surprised that I didn't...
  13. nola mike

    How's my transom?

    I tried a few more holes with a regular spiral bit and the shavings had more substance. One of them is directly below the keyhole cutout, near the plug. That should be a prime place for rot. I was concerned about the color as well. I went slowly this time, and the dark stuff is right next to the...
  14. nola mike

    How's my transom?

    Just pulled my engine, and am trying to determine if my transom is rotted or if I'm good to go with the engine swap. I drilled a bunch of 1/2" holes, and really can't figure out what I'm looking at. The wood is consistent at every hole (even at the top). The transom feels solid and looks solid...
  15. nola mike

    Stuck outdrive

    Well, we found our problem. Yeah, tried that with the rams. Ended up tapping the top while prying from below. Bellows looked good, and I replaced them either last spring or the year before that. Maybe an install problem? Either way, this project is getting bigger. Hopefully the transom is in OK...
  16. nola mike

    Stuck outdrive

    Started to pull my engine, got everything ready, waited till the end to pull the drive (easiest part, right?). Damn thing wouldn't come off. Pulled back maybe an inch, even after dropping it. First thought was that removing the lag and mount bolts allowed the engine to move enough to bind it in...
  17. nola mike

    Ideas for pulling an engine?

    About to start last falls project next week :facepalm: Swapping in a 4.3 for my 3.7. gonna be tight to get it ready for summer, and if the transoms rotted... Anyway, first step is pulling the engine. I have no equipment, no trees, no garage. Trying to figure out the best way to do this. I don't...
  18. nola mike

    Rotten transom?

    So I swiss-cheesed my inner transom before I did my floor a few seasons ago, and it looked basically pretty good. I also removed a lot of stuff fastened to the outside, drilled out the holes, filled with epoxy and reattached. Last week came back from a ride, noticed speedo pitot loose. It...
  19. nola mike

    Ignition switch for 25hp Merc?

    Key broke off in the ignition switch. Tried replacing with a Sierra, but the body was too wide and the throttle box wouldn't close (realized after wiring everything in. boo). Trying to find the correct switch now, but can't find the part. S/N is 0T777364. Would love to get this part by the...
  20. nola mike

    No navigation tree on phone...

    Haven't seen a gripe about this yet, but on my phone there isn't a "tree" of which subforum I'm in. So if I open a post, I have to hit the back button to get back to the list of posts. And no way to jump further up the forum tree, if that makes sense. Tried it with a couple of different browsers
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