Recent content by schwinnman67

  1. schwinnman67

    Engine rebuild questions

    Stock down pipes.. I'm sure with the mileage on my truck that rebuilding the TBI would be a good idea. Is there a post here that isn't too outdated to improve the TBI? The reason I asked about the heads is that I heard the truck heads are restrictive. If I were to get a set of JY heads, what...
  2. schwinnman67

    Engine rebuild questions

    The original engine has 210K on it, so it's a little tired. The oil pressure gets a little on the low side at idle and I have a seeping head gasket. The current exhaust is a an aftermarket cat (old pellet style was 1/2 plugged) 3" inlet/outlet. Looks like 3" into muffler with single tail pipe on...
  3. schwinnman67

    Engine rebuild questions

    I have a 12' tent trailer and occasionally I use a car dolly and tow a car. It's not my daily driver, but is my bicycle hauler. It also sees use during the snow. I'm not expecting miracles with power gains, but know that there is room for improvement.
  4. schwinnman67

    Engine rebuild questions

    I'm sure this has been asked a few times, but most of the answers I see are older posts. Looking for up to date ideas. I have a 92 K1500 5.7l. I'm thinking about having the original engine rebuilt and I do want to see if I can get a little more HP/Torque out of it. So, here are the...
  5. schwinnman67

    Pre-86 SB vs Vortec

    I just posted about an engine a friend has. He has a 96 Tahoe that the engine is bad. He is wanting to put a 400 SB in it. Will this work (he wants to keep the fuel injection)?
  6. schwinnman67

    TBI long block VS Vortec

    I have a 92 K1500 that the engine is a bit tired on. My friend has a Vortec long block (crate engine) that he might sell to me. Can I use this? What is the difference between them (other than the heads)?
  7. schwinnman67

    Cel on code 42 found

    found the distributer was bad, had the top part was moving around.
  8. schwinnman67

    Cel on code 42 found

    Been a while since I've had to work on OB1, but now my 92 has the CEL on. I know that 42 sets when you set the timing, but this came on while driving. It seems to hesitate now when I accelerate. What is causing this?
  9. schwinnman67

    R134a Conversion Questions

    Ester oil is the only oil compatible with R12 and R134. Ester oil is a synthetic lubricant. Ester molecules are very stable and have excellent performance characteristics in both high and low temperature environments. Ester oil is typically used in systems that have been retrofitted to R134a...
  10. schwinnman67

    R134a Conversion Questions

    If you are going to do the conversion, get the parts for a 94... That is the only year with the old style dash that was R134 from the factory. My friend did the conversion on his 89, we just changed the condenser and receiver dryer (94 parts). You do have to flush the lines and evaporator and...
  11. schwinnman67

    My GMT400's

    Here are pics of 2 of the Chevy trucks I have owned. The blue and white 92 is the one I currently have. The maroon 95 got sold years ago (think it's up near Bailey CO)...
  12. schwinnman67

    New Colorado Member

    Yes, my hobby is Schwinn bikes. I moderate on The Schwinn Bike Forum and have around 50 in my collection.
  13. schwinnman67

    GMT400 History

    Just got done reading through all these... My observations. 1995 was also an oddball year because OBD2 was being phased in, I've seen late 95's that were OBD2. The issue of full float rear vs semi float on the 8600 gvw might have something to do with the engine. My 89 C2500 had a 4 speed, 350...
  14. schwinnman67

    How many CO people are here?

    Just curious to see how many other CO people there are here...
  15. schwinnman67

    New Colorado Member

    Just found the online forum, joined the Facebook one a while ago. I have worked on these trucks since they were new and have owned 4. My first one was a 1989 C2500 Cheyenne (std cab long bed). The second was a 1989 K1500 Silverado (ext cab long bed). The third was a 1995 K2500 (ext cab long bed)...
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