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    1990 70 Evinrude stalls after 1 hour full throttle

    Thanks To all for all the information, I took advantage of our last warm day, and made a test run up the Missouri River, about 12 miles total and most full throttle . Engine ran flawlessly plus Idle, after the Tell Tale Pee change, to the top of the Exhaust block. I'm going to prove next...
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    Adding Third Toon to 24' Pontoon

    You Might consider an IO for the 3rd Toon, I've seen it done with a small block Chevy. 400 Cu.
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    1990 70 Evinrude stalls after 1 hour full throttle

    racerone is there a good source for another Power pac, that I can buy and be good?
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    1990 70 Evinrude stalls after 1 hour full throttle

    I did get my Motor tested for the new Tell Tale Pee move worked great. My motor ran like Crap tho. I Swapped the Power Pac and the original, fired all three Cylinders. Here's a picture of the new Bad Power Pac. and the Refurbished 70 Made In the USA. It don't like Chinese made parts.!!
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    1990 70 Evinrude stalls after 1 hour full throttle

    Try Rowing a boat up the Missouri River Then Turn around, which one requires less work?
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    Martin 75 twist shift impeller or pump rotor change

    I had a couple of Martin motors 7.2 back in the 50's they were good motors, and made by the Martin Pressure Cooker company in Chicago Ill. I lost one in the river because, I didn't have it chained to the boat transom, it was running when it went down. Lots of torque, they would out run any...
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    1956 Scott Atwater questions....

    ScoobaSteve I used to run the old scott engines back in the 50.s. When it was time to change the lower unit gear oil , I added STP back then with the grease about 50-50. Never had a problem with losing any because of the sticky properties of the mix. Today Lucas would do the same.
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    1990 70 Evinrude stalls after 1 hour full throttle

    racerone it's the hour running at full throttle that I meant, and I get less speed according to my sonar GPS, going up river than down, so something is working harder to get there. I'll try running with out the stiffer spring in the thermostat and watch the temperature close for a bit. Thanks
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    1990 70 Evinrude stalls after 1 hour full throttle

    Ok guys today I relocated the Tell Tale water output from the lower Port side of the engine, to the top of the Block, as the 1994 Bulletin, I did a Compression Test to see if any Piston or Cylinder walls had been damaged. All Cylinders tested 120+ each Cylinder even. I haven't ran a Test on...
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    1990 70 Evinrude stalls after 1 hour full throttle

    Hi this is the blind Squirrel again, I pulled the Live Well off the top of the fuel tank, hoping I would find a plugged tank vent. Everything was clear. I replaced the hose with a new hose, I haven't started the motor yet, until I hear from you. Yes the hose for the water tell all, comes off...
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    1990 70 Evinrude stalls after 1 hour full throttle

    Do you mean the hose that Pees the water pump for visual? I don't recall anything else. Yes it starts out of the water manifold, on the Port side of the motor, and exits the starboard lower side. It also Tees to a Gage on the Helm. What's that got to do with my Stall problem? I'm in the...
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    1990 70 Evinrude stalls after 1 hour full throttle

    Hi racerone I've been giving thought what you said about the fuel tank, I hope your right. I'll check the tank Vent today, we have those black wasps here in Missouri that love to pack clay or mud into any small hole, I guess to lay eggs.?? It would make since, that no vent the tank would...
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    1990 70 Evinrude stalls after 1 hour full throttle

    Yes I did drop the lower unit, and replaced the water Pump also the plastic screen for the pump intake. The tank is an 18 gallon moller and transparent, I have a transparent in line fuel filter, between the squeeze Bulb and engine . I had a friend this time out, that held the wheel, while I...
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    1990 70 Evinrude stalls after 1 hour full throttle

    I have a strange problem with my 1990 70 hp Evinrude model E70TLESB, I've rebuilt all 3 carbs, I've replaced all 3 Coils and Power Pack. When I put it on the river, it Idles good and gets up on plane good, and runs up river at full throttle, for about a hour, then it starts to miss, or...
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