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  1. Colorado2500

    TBI 350 jumpy timing

    Truck has had a rough idle for a while now, but other than that, it ran well. Recently, it begin to idle so poorly that it would barely run and would stall. Diagnosed as a bad EGR valve, valve was stuck open with bits of something. Replaced EGR valve & solenoid as well for peace of mind. After...
  2. Colorado2500

    Refurbishing Sketchy Steering

    Well my steering has gotten to the point where it needs some attention since its a handful to drive. It feels simultaneously loose but almost jerky/wander-ey of that makes sense. It also squeaks super bad whenever I drive I the rain. It already has Energy Poly anti-sway bar bushings, which...
  3. Colorado2500

    Radiator size question?

    So I'm looking to revamp my cooling system here soon with a new radiator, hoses, thermostat, and such. I've been having problems with it getting hot on the highway, and I want piece of mind too. My truck has the 28 1/2" wide rad, but looking at spectra rads I saw the HD one a 34" width, could...
  4. Colorado2500

    Manifold leak. New gaskets or...?

    So I have a pretty annoying *exhaust* manifold leak from the drivers side, middle two cylinders somewhere. Should I pull it and try new gaskets or just go ahead and replace the whole thing? I just don't want to pull it and realize it's cracked or something. Also, I need to drop the y-pipe so...
  5. Colorado2500

    Couple of engine issues... Need advice

    So, I have a couple things going on with my truck that have finally worried me enough to ask y'all for help. Its a '89 C2500, L05 TBI 350, 172xxx miles, runs okay with decent power and fuel economy, recent full tune-up, well cared for in terms of maintenance. 1. Slight oil consumption issue...
  6. Colorado2500

    Catco catalytic converter any good?

    Okay, so I plan on doing some exhaust work when I get my tax refund, and I need a new cat. The old pancake style cat is pretty restrictive I hear, so I'm hoping to free up some horses along with a new flowmaster collecter on my y-pipe. So are Catco cats any good? I'm looking at mpn #6577 if it...
  7. Colorado2500

    Colorado2500's 1989 C2500 ECLB Build (The Little Big Truck)

    Here is what I started with: 1989 C2500 ECLB, 155K on her, TBI 350, 700R4, 14 bolt SF with 4.10s. Story of my truck is that it was bought by my parents in 1999, and I started driving it the day I got my license in August of 2012 and have been ever since. It has lived in western Colorado its...
  8. Colorado2500

    1989 C2500 ECLB Build (The Little Big Truck)

    Here is what I started with: 1989 C2500 ECLB, 155K on her, TBI 350, 700R4, 14 bolt SF with 4.10s. Story of my truck is that it was bought by my parents in 1999, and I started driving it the day I got my license in August of 2012 and have been ever since. It has lived in western Colorado its...
  9. Colorado2500

    Manual Swap Advice?

    Okay, so after lurking through the forum, I've decided to register to get some real help from y'all. I have a '89 C2500 with the original 700r4 and I'm looking to swapping to a manual, probably a NV4500 for the overdrive, but I might go SM465 for cost, Any thoughts? In the future I'm looking at...

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