Recent content by Seosamh

  1. Seosamh

    AC Compressor occasional noise.

    Thanks! I was hopeful on this just like your reply, till I took this photo. Scroll down. I like the challenge in this and each symptom in order as found. The best symptom was the compressor too hot to touch after a 90 sec run. My wife said buy a 2024 Silverado, I said no since I Wouldn't have...
  2. Seosamh

    AC Compressor occasional noise.

    Hello all. My 1990 K1500 AC works like it always has blowing cold air. However today it made a loud noise that sounded like a miniature air compressor along with an unusual but definitely not a burning smell. It almost seems to me like its over charged though it's never been serviced since I...
  3. Seosamh

    Vapor Canister Hold down.

    Hello all. Hope everyone is enjoying this weekend. I'm hoping someone can send me an image of the correct oem config of the hold down the Vapor canister line. The image I attached shows the vent hose correct for the front diff but my old age has caused me to forget exactly how the metal portion...
  4. Seosamh

    4 Row radiator install, small problem, help needed.

    Thanks for your help. I was getting ready to weld a 1/2" 20 female fitting to the adapter in the photo when I realized the adapter it came with is two piece. I unthreaded the quick release part and now all that is needed is common 1/2" 20 NPT female x 5/8" male adapter. Embarrassing that I...
  5. Seosamh

    4 Row radiator install, small problem, help needed.

    Thanks for your help. I was getting ready to weld a 1/2" 20 female fitting to the adapter in the photo when I realized the adapter it came with is two piece. I unthreaded the quick release part and now all that is needed is common 1/2" 20 NPT female x 5/8" male adapter. Embarrassing that I...
  6. Seosamh

    4 Row radiator install, small problem, help needed.

    Thanks for your help. I was getting ready to weld a 1/2" 20 female fitting to the adapter in the photo when I realized the adapter it came with is two piece. I unthreaded the quick release part and now all that is needed is common 1/2" 20 NPT female x 5/8" male adapter. Embarrassing that I...
  7. Seosamh

    4 Row radiator install, small problem, help needed.

    Hello all. I'm looking for a source or part number for what I believe is a 1/2" UNF male x 1/2" SPT female adapter. Looked on line for hours with no proper result. I don't want to take the easy way by cutting off the oem threaded end fitting. Maybe I'm using the wrong key words in my search for...
  8. Seosamh

    Upgrades 1990 K1500 5.7L Question

    Black sooty but dry spark plugs. All TBI, ignition and emission parts are new.
  9. Seosamh

    Upgrades 1990 K1500 5.7L Question

    Hello All. Has anyone tried either of the items below? I'm more concerned about fuel economy since I'm still running too rich after changing both injectors in the OEM TBI. Thanks! Holley EFI 502-9 1990-95 5.7L GM Truck? JetChip part #29005?
  10. Seosamh

    Problems with gauge cluster in 89

    Good morning. Do you have any images of the Adapter similar to the newer DRAC or VSSB? I have a 1990 K1500 5.7L Silverado. Been troubleshooting the speedo for weeks.
  11. Seosamh

    1990 K1500 SPEEDOMETER INOP

    Thanks. I actually just had two clusters delivered today, crossing my fingers and going to the super heated driveway.
  12. Seosamh

    1990 K1500 SPEEDOMETER INOP

    Hello All. 1. I have the whole wire harness from the transfer case to firewall took all the looms off and repaired four wires for the transmission connector "4L60 Non electric". 2. Replaced the VSS. 3. Replaced the speedometer. 4. Tested the CC module according to the shop manual with an ohm...
  13. Seosamh

    TRUE DUAL EXHAUST K1500 IMAGE SHARE

    Funny but interesting how the DOT number on the tires is so old that the format is not recognized on any website to determine the year the tires were made. Still working that issue.
  14. Seosamh

    TRUE DUAL EXHAUST K1500 IMAGE SHARE

    When I was a mechanic I remember noticing how all exhaust/muffler shops custom or franchise use a much thinner grade pipe than any pre-bent pipe you can buy. Noticed on my truck where the tail pipes are still in great shape but as old as the rest of the exhaust.
  15. Seosamh

    TRUE DUAL EXHAUST K1500 IMAGE SHARE

    Truck was a Barn find, In 2012 I bought it with 52k. original everything except the stereo and the Transmission. The transmission case had corroded severely especially around the governor housing n pan bolts. Beginning to show its age now, still runs and rides smooth.
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