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  1. Old Guy Bill

    New to pickups & fifth wheels

    You can basically do anything you want, air bags can make any rig level, I see it all the time when we travel in our RV. Lots of rigs out there are way over loaded, especially when it comes to the pin weight of the RV on the rear of the truck. Being able to do it efficiently without having...
  2. Old Guy Bill

    Chrome Headlight Bezels

    The repop bezels are all plastic aren’t they?
  3. Old Guy Bill

    How to tell if my NP203 has been converted to part time?

    While you’re under there check the shifter linkages…
  4. Old Guy Bill

    How to tell if my NP203 has been converted to part time?

    From what I’ve read if the Mile Marker part time conversion kit has been installed the shift pattern is changed. It will be as shown here.
  5. Old Guy Bill

    My new truck. 1980 GMC k3500 4x4 DUALLY

    Welcome! That truck is definitely a head turner!
  6. Old Guy Bill

    (Advice) PCV Valve strange issue.

    What kind of valve covers are these? Are they the stock equipment? The other valve cover, the one without the PCV valve, must have an opening for air to enter the engine…. Give us some pics!!
  7. Old Guy Bill

    What tire size you running and pic for bonus.

    Sorry there isn’t a cab & box on it yet, but these are 295/70-17s. They measure about 33 1/2” tall, this is with an ORD 4” lift kit.
  8. Old Guy Bill

    Making sure inverted flare cooler lines seal

    The flair does the sealing, don’t distort it by over tightening. Mating a metal line to an aluminum fitting, two different metals, use Anti-Seize.
  9. Old Guy Bill

    Transfer Case Issue?

    From your description that’s definitely an NP203, and there is no 2H, it’s all time 4WD, unless it’s been modified. If it has been modified with a “part time” kit the shifter pattern is different than what’s shown on the shifter. When the TC is in the very center position, it should be in...
  10. Old Guy Bill

    New member from the commonwealth of Massachusetts

    Welcome from the commonwealth of KY.
  11. Old Guy Bill

    I hate the power window and door lock switches

    I took Industrial Electricity in vocational school during my Junior and Senior yrs of high school, this was the late ‘70s. The two teachers were retired master electricians and they taught us that splice and several others, the classroom had many displays of them. It gave me the foundation for...
  12. Old Guy Bill

    Power Tour

    The tour will be here in Louisville today, but I just don’t have the time to get into town to the stadium to see it… in my younger years nothing would have stopped me.
  13. Old Guy Bill

    Red Oxide Primer

    Oil based enamel primers & paints, over the years I’ve used it many times depending on what was being painted and the budget for the product. Tractors and implements, race cars, etc.. mostly things that didn’t need to be great quality and would look okay from a distance. I’d suggest thinning...
  14. Old Guy Bill

    Unable to find these relays

    Start in the Reference section of this Forum, there’s a 1980 wiring diagram there. It’s extensive, but you’ll need to learn it if you plan on doing your own repairs.
  15. Old Guy Bill

    Fuel tank brackets

    I installed new tanks & straps on my frame a few months ago. I had to use ratchet straps around the opposite frame rail to get the straps to conform around the tanks enough to start the nuts. It was tough, but they fit.
  16. Old Guy Bill

    Fuel sending unit ports and Driveshaft

    Yep, my ‘78 K20 has the slip yoke in the rear also. That’s a good pic of the original heat shield for the fuel lines discussed in another post also.
  17. Old Guy Bill

    Confusion on fuel and more.

    Originally those trucks have a shield, but it was designed for 2 1/4” exhaust. This pic from another thread shows it.
  18. Old Guy Bill

    Pure SEX!

    I love those cars, beautiful styling. That’s a decent price, but resto parts are outrageous. I owned one in 1983, bought it from my father’s boss. It was orange, saddle interior, 210hp, 4 speed, PS, PB. Not having AC, in the car with the T-tops & back window removed you looked cool, but from...
  19. Old Guy Bill

    Fuel Gauge Woes

    I don’t know for sure but from what I’ve read it’s a 90 ohm, 1w resistor.
  20. Old Guy Bill

    Replacement capable Tcase for 1975 K10 passenger side drop

    I’d like to add that short tail shaft you currently have on your TH400 won’t work with any other TC, it is for the 203 only.
  21. Old Guy Bill

    Replacement capable Tcase for 1975 K10 passenger side drop

    NP208, but it won’t work with the 203 adapter. A 205, if you can find one and afford it… Do a Search, there’s a lot of info on these case swaps
  22. Old Guy Bill

    Door Hinge Spring Replacement

    On my ‘78 hinges the springs seemed OK, but both rollers were beyond repair. I just replaced the whole hinge on both sides.
  23. Old Guy Bill

    Some squares for sale in my area.

    This one got my attention yesterday, but you can never be sure till you actually see them. Vehicle titles can be a big problem in KY also. Don’t really have a place for it right now any way though.
  24. Old Guy Bill

    HOW GEAR OIL?

    Way back we ran short track, 1/4 & 3/8 mile street stock cars. A Ford 9” was the perffered rearend. We’d weld a tall 1” vent about half way on the left side axle tube, then put a gallon of gear oil in it… this insured that the carrier bearings & ring/pinion gear stayed lubed throughout the race.
  25. Old Guy Bill

    Coolant system woes on a truck from Ballard, WA.

    Possibly the water pump impeller or clutch fan issues…

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