Recent content by Juke22

  1. J

    To Do List - Advice?

    Hi All, I'm pretty new here, got my truck inspected and plated, and been driving it past few months. There's a list of projects I'll write below, hoping to get some advice to get me started. Previous owner says it has a 305 engine, 1986 High Sierra K2500. Transmission: 1) The TH400 automatic...
  2. J

    Did this K20 come factory with catalytic converter?

    Thanks Butch. I passed emissions with flying colors. It might’ve been the cleaner I added to the tank, but I changed the air filter, spark plugs, PCV, and cleaned the carburetor.. oh boy what a mess, lots of debris in the bowls and the metering rods were bent. One of them was missing a spring...
  3. J

    Did this K20 come factory with catalytic converter?

    Duplicate post
  4. J

    Did this K20 come factory with catalytic converter?

    All, thank you for the info. In regard to the original post, not the hijack, I found a shop that did the “2 speed test”, they asked what engine I had and I said a 350. I failed carbon monoxide CO by a few percent (result below). I’m reading now about tuning or rebuilding the carb, any...
  5. J

    Did this K20 come factory with catalytic converter?

    Thank you all for the fast response. I do not see any sticker in the engine bay, but I will post the ones from the door jam and glove box: If I'm reading my sticker right, I think I got the C6P? Thanks Do these stickers mean I have GVWR 8600 and C6P? Thank you I found the SPID, and I've...
  6. J

    Did this K20 come factory with catalytic converter?

    Hello, I just bought a 1986 High Sierra 3/4 ton Camper Special 4x4. I live in a state where emissions are required. There's quite a lot of forum posts on the Internet that strictly state trucks with GVWR 8600 did NOT have catalytic converter in 1986. However, the sticker under the hood is...
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