Recent content by fender89

  1. fender89

    Some hesitation and stumble 85 k20

    turns out i changed my fuel filter, and retarded the timing just a touch and the hesitation is gone. i also ordered a non dial fuel pressure regulator. much appreciated on the responses
  2. fender89

    Some hesitation and stumble 85 k20

    Truck has a holly truck avenger carb, vortex headers, emissions was deleted. Truck runs idles fine, and as long as I drive it like a grandpa it does fine. But when I get on it to accelerate hard it stumbles I also did notice a few very small back fires but those are rare. I did find a vacuum...
  3. fender89

    heater issues

    when i took it out, i saw visibly stuck in open posittion and as i fingered it, click it popped closed.
  4. fender89

    heater issues

    RelocAted pacific Northwest. Need to update profile
  5. fender89

    heater issues

    Well.... I think I found the problem the thermostat was stuck open ... Thank you to 85k30 even tho I didn't take the advice initially..I had just replaced the thermostat about a year ago. I also could of sworn I felt the upper rad hose was cold after the truck had been running a while but I...
  6. fender89

    heater issues

    Hahah yes I assumed it was could of sworn it was cold when the engine was running. But at this point I'm not sure what else to check
  7. fender89

    heater issues

    At this point I'm thinking thermostat stuck. Just got one in town putting on later today
  8. fender89

    heater issues

    i have removed the heater box to get a closer look. the blend door is functioning fine no debris in there and the heater core is newish. guy i bought the truck from replaced it in 2017 it looks.. now im at a loss. wtf
  9. fender89

    heater issues

    i wonder if the fins are full of **** on the outside
  10. fender89

    heater issues

    i took apart everything under dash to get visual access to the blend door function. it seems to be sitting all the way in the hot position....i think
  11. fender89

    heater issues

    there is no hot water valve on the hose. i checked the the thermostat and its working. main rad hose was cold and hot . i guess i gotta replace the core..
  12. fender89

    heater issues

    so now that its -15 out i guess i need heat. only blowing lukewarm out of vents. i checked coolant levels are good. top of the radiator. both hoses running to the core are hot. i took them off today and flushed out both ways. still not blowing anything but lukewarm. from my understanding its a...
  13. fender89

    Selecting offset wheels for my Lifted 85 K20

    Am looking at new wheels for my 4" lifted K20. I want 315/75/16 tires. The wheels I'm looking at are 16 x 8 with a -6mm offset. I'm curious if that would be enough offset. Maybe I need more. Any suggestions would be helpful
  14. fender89

    What are these relays on my firewall and do I need them?

    The shift indicator reads PRND21. It is a 3 speed automatic. Crawled underneath and the oil pan is clearly the 400..I was trying to figure out if it came with the 400 or someone put it in after that. I'll have to look around for similar master cylinder. I'm not too familiar. The truck was a...
  15. fender89

    What are these relays on my firewall and do I need them?

    yes it does c6p - heavy duty chassis also e60 heady duty front spr it also shows mx1 options code for tranny. but i have identified it to have the th400. so maybe someone put in the 400, or mx1 does not specify 350 or 400
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