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  1. F

    Rear end

    Rear end in my 1980 GMC truck is a Dana 70, per the replies here so when I go to get gears or supplies for it do I just say a GMC Dana 70? Or do I now need to look at what size in inches the gears are?
  2. F

    Rear end

    But all I find is a 4L80E transmissions are they the same?
  3. F

    Rear end

    I like the way those four shifters look, I'll look into what it would take to change this transmission over so I'd rather have an automatic
  4. F

    Rear end

    I found a set of 17 inch rims for so that should help a little bit
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    Rear end

    Wow that's some pretty good information! Originally it had a th400 my brother wanted to put a standard in it and it seems like the tachometer is a little higher than it should be doing 55 miles an hour, in addition he changed the steering column to a tilt non-automatic column, I asked about...
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    Rear end

    I'm just curious as to what type of rear end my 1980 GMC 4x4 dually truck has, I haven't torn into it yet but soon I will to change the gears to a different ratio, it came from the factory with either 410 or 411, my brother changed the th400 automatic to a 3-speed standard, so the gearing isn't...
  7. F

    Air cleaner assembly

    Does anyone know if the factory air cleaner off of a 1987 square body will fit a 1980 GMC square body with a 454? Right now my truck has an Edelbrock carb and a pretty Chrome air cleaner but I want to put a quadrajet back on there and restore the air cleaner back to factory so it can draw cooler...
  8. F

    700r4

    It is a dual wheel drive 4x4, you mentioned I should go with the nv4500 transmission, and then later in your post you said to keep the low rear axle ratio and add the overdrive, you are talking about keeping the 410 axle ratio and utilizing the envy 4500 for it's overdrive? This is a lot of...
  9. F

    Hood

    Is this your truck I'm assuming? Not that I look at all the trucks produced but yours is the only one I've seen with the camper special features!
  10. F

    Hood

    My father ordered this truck from the factory in '79, it is the camper special that came with factory installed camper tie downs, factory towing mirrors and two shock absorbers in the bed of the truck connecting the front of the bed to the cab, deluxe interior, it's a nice truck!
  11. F

    Hood

    So I found a hood from a 73 to 80 that would work?
  12. F

    Hood

    Will the hood off of a 1981 Chevy GMC fit 1980 GMC k3500? How does the shape of headlights affect what Hood fits what truck?
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    17-in rims

    My 1980 GMC k 30 dual wheel truck came with 16-in rims from the factory, tires for this 16 in are getting harder to find so I thought of upgrading to the 17 in, the problem is GMC went to metrics and finding a set of dual wheels that will fit that can be a challenge but I found that Dodge did...
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    700r4

    I'm not real sure the size of the camshaft in this truck, the way it idles it's definitely not stock, maybe I can talk to a crowler representative and explain what I got perhaps change the camshaft with lifters just to be on the safe side but the engine is very strong and it's not that old since...
  15. F

    700r4

    I think everyone for your replies! The advice is priceless and seems a lot of headache with experimenting, I will look into getting some gears in the 308 range and hopefully that will make this truck very happy!
  16. F

    700r4

    I'm very happy knowing that I was able to allow somebody to show the whole world how to properly word a series of questions for the answers of upcoming project, thank you!
  17. F

    700r4

    Here's some pictures
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    700r4

    I forgot to mention it has 410 gearing now in the differentials
  19. F

    700r4

    It's a 1980 GMC dual wheel k30, camper special my father ordered from the factory
  20. F

    700r4

    I don't quite understand how to link one of my posts that talks about the 700R4, to this post it's in one of my only three posts regarding my truck, I had to post about gears and what size differential gears may have came in my 1980 GMC 1 ton, my father ordered it from the factory with a 400...
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    700r4

    In a previous post it was mentioned that I should get a 700 r4 transmission and put in my truck, what would be the most cost-effective way to acquire one of these and to either rebuild it or ensure that it's in good working order?
  22. F

    New guy here from Wyoming.

    Like they told me when I was new, pictures, show us pictures or no one will believe you!
  23. F

    Good, body parts

    Maybe this Hood wouldn't be an exact replacement?
  24. F

    Good, body parts

    This Hood one day decided to buckle in the middle when we tried to close it, I've seen other hoods that have done this too so it must be characteristic of the hood after many years?
  25. F

    Good, body parts

    Hello, I have a 1980 GMC 1 Ton dually 4x4 needs new front body parts, hood, fenders ECT, what years will inner change?

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