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  1. B

    She just won't start easy nor stay running 4.3l

    did test despite having new coil delivred last night. failed test and put in coil. wouldn't ya know it. old one had maybe 40 hours or less but had been sitting for 4 years. don't know why last summer it fired and last fall it wouldn't, but in the past now. idled a little rough at about 650 rpm...
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    She just won't start easy nor stay running 4.3l

    Yes, I understood what you were talking about but had the ecu on my mind when you referenced thunderbolt. I always assumed the ecu was part of that. So again, referring to the diagram to test the module. I connect the sparkgap to the "COIL" and ground it, then tap the green/wht fast to ground...
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    She just won't start easy nor stay running 4.3l

    Sorry, no, I sold the $500 ECU module I didn't need. How does that distributor module come out? I have to remove the distributor or just the cap to access it?
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    She just won't start easy nor stay running 4.3l

    it is a 3 wire. I'm a little leary of connecting the coil to ground with the spark gap tester. Was that the coil side or distributor side of the coil connection?
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    She just won't start easy nor stay running 4.3l

    3 wires. Yes it is a Thunderbolt. I had bought a new module years ago, found that wasn't the problem and sold it. hindsight :-)
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    She just won't start easy nor stay running 4.3l

    wow, I bought a timing lite, figured that may help while cranking the engine :) Thanks! I had the same problem a few years ago as well and didn't understand why the engine was cranking without charging the battery for so long. Bought a new everything including ecu. finally put some jumper cables...
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    She just won't start easy nor stay running 4.3l

    Update: put new plugs in and cleaned and re-seated the coil connection. Took out plugs to do a compression test and one specifically was wet the others smelled of fuel. Not sure if that was due to turning the engine over once before testing. Compression was between 158 and 180 so I believe it...
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    She just won't start easy nor stay running 4.3l

    How do I preset the timing without a running engine?
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    She just won't start easy nor stay running 4.3l

    Hey Lou, I don't believe so. No indication on the plugs of water. I think that was a one time burp with all the fuel and engine starter I had dumped in it.
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    She just won't start easy nor stay running 4.3l

    Well as noted I replaced all the fuel and new filter. I was thinking the same wrt timing but I never did anything to it from last summers startup to fall when it first would not start. I didn't even run the boat as I had my outdrive in pieces for 4 years and no exhaust manifolds. No time to get...
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    She just won't start easy nor stay running 4.3l

    I don't believe so. No on the readings but i'm going to go to autozone and get a tester.
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    She just won't start easy nor stay running 4.3l

    I was just about too. Got it to fire and it blew out flames and fuel but then burped hard and shot out a large flame. tried again and it started and got it to idle for about 15 sec then died. pulled 2,4 and 6 plugs. Looked black sooty. the pic looks rusty but it was black to my eye. I did leave...
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    She just won't start easy nor stay running 4.3l

    Thanks. I already did all that. Post carb cleaning it would still not start again. Was hoping it was the problem. Even starter fluid is not helping. I did notice the only time gas had spurted out of the line was when I pumped the throttle.This was an engine that never failed me. Even after the...
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    She just won't start easy nor stay running 4.3l

    Opened carb and something was floating in it. Seemed a little dirty so cleaned it out and tried again. Nothing. I'm at a loss.
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    She just won't start easy nor stay running 4.3l

    So i just decided to pull the fuel line and turn the key and gas was pumping out so not my problem. However, boat won't start very easy nor stay running. Back story, sat for 4 years. Rebuilt carb during that time and tried to start last summer and it fired right up ran fine with 3 y/o gas...
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    She just won't start easy nor stay running 4.3l

    Without getting into the issue of why my boat won't start yet, how does the electric fuel pump work? It looks like power is supplied from the the starter. but i don't know when power is actually turned on to the pump. Going further into this, I put a volt meter under multiple conditions to the...
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    Lower drive shaft seal wear.

    thanks!
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    Lower drive shaft seal wear.

    Lower drive shaft seems to have wear around the upper seals. I can feel the difference and wondering if new seals would be ok, or is it time for a new shaft? Replaced upper seals and bellows in attempt to find why the drive gear oil was fairly milky.
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    Preloading without the rolling dial torque wrench

    Yup, I did lube. I started to remove the bearing and it freed it up where it rolled smoother. After tightening it was less restrictive but still a little inconsistent in the roll. Probably time to replace. I think I got it pretty close to spec and we'll see how it works out. I assume I have to...
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    Preloading without the rolling dial torque wrench

    Yes. The whole thing turns if I don't hold the bearing pack. If I hold the assembly horizontally as it would be in the drive the bearings roll a little smoother without the weight pulling down on them. I'm going to pull the bearings and inspect. Either rusty or just bad. Thanks.
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