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  1. K

    Question another gpr question

    ok when fighting a electrical issue with a going bad alternator. well i got that issue fixed and moved onto the gpr issue im having. i thought the gpr had been moved from the stock location to outside of the valve cover and mounted to the vacuum pump bracket. now after further investigation...
  2. K

    cold weather hiss

    since the weather has been getting cold here my motor started making a hissing noise at part throttle. if i give it more throttle or back out of it the hiss goes away. it's fairly loud and almost sounds like a external exhaust dump on a turbo gas motor. just wondering if it's normal since...
  3. K

    ac issue maybe electric

    when i run my AC on low it's fine and blows nice and cold but if i switch to max AC i here a slam in the box near the trans tunnel and barely anything comes out of it. but you hear the fan blowing harder. if you switch it back it works fine again. another problem if you run the truck for...
  4. K

    late 99 550 trans and diff question

    My truck has the HD 6 speed and 4.88's in the massive rear end. Great for pulling and hauling. I'm wondering if going to a 5 speed or if there might be another gear set available for the huge rear end. Also anyone know what rear the 550's came with that might help me find a new ring and pinion...
  5. K

    help ID whats missing?

    i know my motor is atleast in the right place. the tank company decided to use a under hood setup instead of a PTO. I want to put the motor back to stock as much as possible. here are some pics i took to night. if you need more let me know. here's a side shot of the passenger side of...
  6. K

    body questions

    i just got a 99 550 short wheel base. i was wondering if there's a easy way to mount a normal bed on it or will that have to be a custom job? also it has the recessed front head lights and i wondering what is needed to change those to the 250 and 350 style lights.
  7. K

    hard starts and smoke

    my 99 550 will take about about 15mins to get started on cold days if parked out side. once you get it started it starts fine for the rest of the day. once it is started it blows a white smoke screen for about 10 minutes and runs really rough but once the smoke clears out it runs perfect and...
  8. K

    new to the forums

    i'm not new to the truck i'm buying but just found the site. i'm in bumpass va off lake anna. now the truck i just bought. it's my old company truck a 99 f550 7.3l 6speed hd trans with 4.88's in the rear and the rear mount 38 gallon tank. i'm getting the old tank off sometime this week and...

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