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  1. 7

    trouble running when warm

    To recap my ordeal to make it easier for all and avoid reading the entire thread. I have a problem that after 15 to 20 minutes of running/driving, the truck starts to sputter and dies and won't restart. I have: -replaced the mechanical fuel pump -replaced the rubber lines from the frame to the...
  2. 7

    trouble running when warm

    Thank you for the additional ideas to try. Sorry for not mentioning the dual tanks. The only tank in use has been the right (driver) side tank. The left side tank hasn't been used in at least 15 years. I was thinking about putting the left tank back into service that would hopefully eliminate...
  3. 7

    trouble running when warm

    Thank you everyone for the help with this. I ran a gas can bypassing the tank and lines. The issue did not show itself after almost an hr of running in the driveway and some back and forth driving in the driveway and street in front of the house. Now it is on to the tanks. Anyone know a good way...
  4. 7

    trouble running when warm

    What are your thoughts on bypassing the tank and running the fuel pump from a gas container? My thought is that if I get the same issue, then I know it isn't the tank or steel lines. If it doesn't happen, then I can go through the tank procedures.
  5. 7

    trouble running when warm

    Appreciate the ideas and steps to take. The fuel lines from the frame to the carb are all new including the pump. When cold the flow is excellent. I still need to test that with the truck hot. I will reply back with what I find out. Thanks again
  6. 7

    trouble running when warm

    I have now replaced plugs, cap, rotor and coil. I inspected the plug wires and they were good. I also drained the tranny fluid and replace filter, gaskets, etc. Probably not related, but needed done anyway as it was leaking. So back to the issue. I am wondering if it still is a carb issue. I...
  7. 7

    trouble running when warm

    Thank you I will check that out. A friend recommended checking into the torque converter as well. His theory is that it could be locking up when it gets hot. The tranny has never been out of the truck. It is a turbo 350. Thoughts on that theory? Obviously I will check the ignition system before...
  8. 7

    trouble running when warm

    I have a sb 350 with mechanical fuel pump and edelbrock 1406 600cfm carb that my son drives as a daily driver. It started having a problem that I will try to describe. It started coughing and sputtering one afternoon to the point where it wouldn't start. If it did start, it the RPM's would...

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