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  1. Matt Buffington

    Sulfur smell when letting off the gas

    Hi Gang! Just had true-dual exhaust added to my 1990 burb, with high-flow cats and flow master mufflers. Truck runs amazing. However, when I let off the gas, I get a sulfur smell in the truck if I have the back window down. I know, simple solution to this is to drive with the window up! But I’d...
  2. Matt Buffington

    TBI fuel pump unresponsive

    Hi gang, Been chasing down a crank-no-fire situation on my 1990 burb (350 stock TBI). After running around 50 miles or so around town one day (running perfectly, as far as I can tell), she would not start when I came out of the supermarket...just cranks away, but no firing! I can get the...
  3. Matt Buffington

    brake pedal rattle

    Hi folks! My brake pedal rattles back and forth in the cab when I'm not pressing on it. Seems like a bushing is eroded/gone, but I can't for the life of me find anything about this. Does anyone have suggestions on what I can look for, or what the cure for the problem is? Thanks in advance!
  4. Matt Buffington

    TBI pods are leaking!

    hi folks, After my TBI rebuild, I’ve been plagued by leaking injectors in the pods. The file appears out of the top of the inject, then dribbles down. My first examination revealed the new upper o-rings were shot! I ordered new ones, and realized that the first set were not lubed when I...
  5. Matt Buffington

    TBI rebuild completed!

    Hi everyone, Happy Monday! I successfully rebuilt the TBI on our 1990 suburban over the weekend! Wow, what a difference. I recommend do this for anyone with a TBI that's running a little wonky. It's not hard, and not expensive. Plenty of great demos on youtube, etc. A couple things came...
  6. Matt Buffington

    Secondary battery and isolator install complete!

    Hi Gang! An update on my 1990 Burb secondary battery install. Everything works now after installing a Cole-Hersey solenoid that splits the circuit from the starter battery secondary battery. The original solenoid was closed all the time, and so the secondary battery was engaged during...
  7. Matt Buffington

    New member....dual battery question!

    Hi Everyone! I have a 1990 Suburban I'm building as an overland/field vehicle. I am going to have a number of lights, and to power them with the car off, I'm installing a second batter under the hood. I have a solenoid isolator splitting the two batteries, and inline fuses between both...

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