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  1. U

    ZF5 clutch compatability

    OK Dad doesnt have his 7.3 tore apart yet so I was just doing some research for him. Thanks for the confirmation.
  2. U

    ZF5 clutch compatability

    Hmm it appears they are different diameters. Happen to know if a flywheel swap is possible?
  3. U

    ZF5 clutch compatability

    You guys happen to know if a ZF5 clutch from a 460 will fit a ZF5/7.3 IDI?
  4. U

    Starts then Dies

    He has run it below a quarter tank and not had problems with running out or anything so I'm not sure about that. It supposedly only has 64k on it and it looks it. The engine is all gray yet with hardly any dirt or grime. Only things that may need replaced in my opinion are supply and return fuel...
  5. U

    Starts then Dies

    Will have to check that.
  6. U

    Starts then Dies

    Various temperatures.
  7. U

    Starts then Dies

    Lines all seem dry. I told him to replace all the fuel lines. We have one of the valves on the filter head capped off but i think there's two?
  8. U

    Starts then Dies

    My dads 91 will start up and run for a few seconds then die. Then it turns over and he keeps cranking it and pumping it then finally it starts with lots of smoke and it revs up then settles back down. Whats wrong? Is it losing pressure in the lines or what? And from where? We can't see any...
  9. U

    4.10's VS. 3.54's

    It's a 91 with a 7.3 and a 5 speed so assume the 5 speed has an overdrive like most do. He doesn't really need top end and would probably be better to have the lower end power. I just wanted to make sure it wouldn't completely kill the highway cruising.
  10. U

    4.10's VS. 3.54's

    My dad's truck currently has 3.54 gears. He runs 33 inch tires. The stock 3.54 rear axle is an open differential. He has a good limited slip rear with 4.10 gears and a matching front end. Swap is not a problem we have done them before. Would he be better off to keep the 3.54s or would putting...
  11. U

    Lifting Front End

    Ill see what the local shop can do.
  12. U

    Lifting Front End

    Knowing my dad he will probably try the add a leaf mentioned earlier since its cost effective. This is just his daily driver work truck. As long as the suspension isn't toooo hard. Hes used to the old truck springs and stuff.
  13. U

    Lifting Front End

    Its sagging enough now the the tires are not even straight, I believe raising it a few inches would actually put the tires where they are supposed to be. How is the ride with an add a leaf on these heavy front packs? like a tank?
  14. U

    Lifting Front End

    Hes not looking to lift it really. Its sagging below what it should ride at, at least 1-2 inches, we want to lift it back to wear it should sit, and perhaps an inch or so above that so everything will line up and we wont have ttb problems. rearching springs or springs out of something else that...
  15. U

    Lifting Front End

    The most budget friendly yet sensible option would be best.
  16. U

    Lifting Front End

    My dad has a 91 Ford f250 and the front springs are a bit worn. They are bent completely up with almost no travel. With 33 inch tires there is only about 5-6 inches to the fender. How are you guys lifting something like this up a bit? Say 3 inches or so to bring it a bit more aggressive and...
  17. U

    91 7.3 starting problems

    It almost seems as though temperature has a slight effect on this problem too. It would start just fine earlier this year when it was a bit warmer but now that its been cold it wants to do this more often.
  18. U

    91 7.3 starting problems

    The truck says it has 63k miles and it looks the part. everything under the hood almost looks new.
  19. U

    91 7.3 starting problems

    Anything special about the return system? Just lines or what? Can he just do the whole line system with quality diesel marine hose?
  20. U

    91 7.3 starting problems

    Ok my dads 91 has a weird starting issue. Sometimes when he starts it, it will start then run for a few seconds then shut off. Then he has to crank it forever for it to fire again. Then sometimes it fires and stays running and does not randomly shut off. What is causing it to do this only half...
  21. U

    Trucks dies after revving.

    Sounds like a plan.
  22. U

    Trucks dies after revving.

    He already put a brand new filter on. We just poured a whole 40 gallon treatment of Diesel Kleen in about a 1/3 tank of fuel and after idling for a few minutes and revving it up a little bit a few times it fixed. wont shutter or shut off at all now. thanks for the great info guys.
  23. U

    Trucks dies after revving.

    Should i put it all in the tank or some in the filter like CESMITH said?
  24. U

    Trucks dies after revving.

    Ok thanks guys Ill add some treatment and try to get it cleaned out a bit and see if that helps.
  25. U

    Trucks dies after revving.

    My dad has a 91 7.3 and if he raps the throttle or revs it up, if he lets off the pedal it will just die. What is the deal here? Lift pump bad or what? All help would be appreciated.

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