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  1. 75k20

    Sm465 clutch fork has massive amount of play

    i got a 75 k20 with a 350/465/205 set up the clutch rattles like an AK while you’re driving down the road. anything from idle to cruising. i checked out the adjustment rod that goes into the clutch fork and i could literally pull it out of the socket with my hands.. i don’t know how it was...
  2. 75k20

    help quick! sm465 crossmemeber bolts

    took a peak under my truck and noticed there aren’t any bolts that hood the rear of the sm465 to the crossmember. can anyone tell me the size? i’m headed to the hardware store to hopefully find something to use. i believe theyre 1/2 coarse or 7/16 coarse
  3. 75k20

    missing axle shaft on dana 44 front. what do i need?

    my 75 k20 with the dana 44 front is missing the inner and outer axle shafts on the passenger side and i domt know what parts to order. i can hear the bearings starting to make noise since they’re been dry so long. the axle is full of fluid somehow but it has a lot of metallic flakes. what are...
  4. 75k20

    swapping gear ratio in the 14 bolt??

    i’ve been daily driving with the sm465 and 4.56 gears for a while now and i need something more suitable for everyday use. my mileage came back at 8.3mpg and i need to get my rpms a little lower while cruising. not to mention how slow i am speeding up.. right now i don’t use 4wd as it’s missing...
  5. 75k20

    can anyone tell me what has been done to this suspension?!?

    i got some stock replacement shocks from an auto parts store and even fully extended they didn’t have enough reach in the back to be installed. so i could only assume that they would’ve been bottomed out 24/7. the front shocks seemed to bolt in okay. i’ll post some pictures of the front and...
  6. 75k20

    door lock cylinder not working on passenger side

    i have replaced the door lock cylinder with 2 different kits and both times the passenger side door will only turn 90 degrees to the left to lock it, but i’m unable to pull the key out in this position so i have to unlock it again in order to remove the key. any ideas as of how to fix this?
  7. 75k20

    tail light wiring mess, help!

    got a donor bed for my 75 k20 from a junkyard. trying to figure out the wiring for the taillights and the previous owner did a major hack job. i have 3 wires coming from the truck, ones yellow ones light green ones brown i thought there were supposed to be 4 wires from the truck. some of...
  8. 75k20

    dual tank fuel system operation questions

    would i be able to use an electric fuel pump to prime my carb after my truck has been sitting for a while? i purchased the small edelbrock 38gph electric fuel pump. i don’t think my pump is bad because there is no gas in the oil from what i can tell. is there any benefit to using the return...
  9. 75k20

    trouble getting rear bed panel installed

    i’m installing a new front bed panel on a bed i got from a pick n pull. all the holes are misaligned and it seems like the edges need to be pull in from both sides. are there any tips on doing this?
  10. 75k20

    window crank handle struggles to go up or down

    the window crank that i have has a lot of play in it. when i pull the handle off i can wiggle the notched metal stud that protrudes from the door panel. after looking closer it seems that some of the bitches are worn out too so it makes it even harder to roll it down, usually takes 2 hands to...
  11. 75k20

    Replacement fuel filler necks and hoses

    I have a 75 k20 that I put a 82 c20 bed on. the truck has fuel tanks and is missing the filler necks, hoses, and fuel caps. looking online it seems like it’s way to expensive for just a couple replacement parts for a 50 year old truck. does anyone know the best place to get these items? i...
  12. 75k20

    Front bed panel replacement

    I bought a new rust free bed from a pick n pull but the front panel was removed. Bed was off of a 82 and i’m putting it on my 75. i found the panel online for about $80, is it as simple as bolting it to the bed? or is there any welding or sealing needed to be done.
  13. 75k20

    cheap paint job options

    got rid of the flatbed i got my truck on and when i get a factory bed i’m gonna have to paint it so it’s just one solid color. i’m on as small of a budget i can get. the truck is old and rusty and i don’t care about having a shiny paint job on it. i’ve seen people do primer paint jobs and just...
  14. 75k20

    Help with fuel guage problems

    i’ve been having problems with my fuel guage for a while now and im not sure if i have it figured out yet. with the intellitronix electric guage set i have, i made sure to set the switches to the 0-90ohm setting even though they previously were set differently. The right hand side tank seems...
  15. 75k20

    Fuel Guage driving me crazy! Help!

    i have a 1975 k20 with dual tanks and a intellitronix electric gauge cluster. as of right now the tank selector valve doesn’t work but i have one ordered. mi just drive on my right hand tank while the left stays full. my gas gauge is reading empty on the right side even though the tank if...
  16. 75k20

    carter afb drains into intake overnight

    I have a carter AFB carb and overnight the fuel bowl drains into the intake manifold. this makes the truck have really bad starting problems in the morning. when I take off the air filter and look into the manifold I can see the fuel sitting in a puddle. i tried to pump the linkage multiple to...
  17. 75k20

    front axle identification help

    i need help identifying my front axle. is it a dana 44 or 60? i have disc brakes if that helps. i am missing my front passenger axle shaft and i need to find which part to order. if you have a part number for me that would help greatly.
  18. 75k20

    gear ratio swap options

    i found out i have 4.56 gears in my 75 k20. i have a 350/465/205 setup i believe. I was told the truck was a dually from factory but now it is a single rear wheel. What are my options for swapping to a more highway friendly gear ratio? Maybe 3.73? 4.10? I want to cruise at or around 2000rpm...
  19. 75k20

    New truck owner.. need help with problems!!!

    *this truck will be my daily driver, i take short highway trips often, around 100miles at a time So I got lucky (hopefully) and traded my 1997 dodge dakota with a 5.2 and 5 speed 4x4 for a 1975 K20 with a 350 and 4 speed 4x4. I really like the truck and i want to make it something that i...

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