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  1. A-2 ace

    O2 sensor

    What's up guys, my 88 k1500 only has one o2 and I have a true dual exhaust from the manifolds back with on cats and my truck seems to be running rich? My question is do I need to add another o2 sensor to the passenger side?
  2. A-2 ace

    Problem accelerating

    What's up everyone, I'm been having this problem for a week now and I can't seem to figure it out? I have a 350 tbi with the nv3500 4x4 and it's been giving me problems in first and second gear when I try to accelerate off the light.. the truck will move just fine but once I start picking up rpm...
  3. A-2 ace

    4x4 light on dash

    What's up guys, I just replaced my transfer case switch to my 88.. my light on the floor where the shifter is turns on but no light on the dash indicates 4x4 is on?
  4. A-2 ace

    1975 k10 headers

    What's up guys, I have a set of headers from a 75 k10.. I was wondering if these would fit on my 88 k1500?
  5. A-2 ace

    npt size

    Does anyone know what the npt tread size is on the radiator oil cooler lines
  6. A-2 ace

    Heater core hose quick disconnect upgrade

    Today I had to tackle the task of replacing one of these s.o.b's.. I wanted to change it out to a Earl's AN fitting, but not sure what to buy? Anyone know how to go about doing this?
  7. A-2 ace

    Mechanical tach-drive

    I'm looking into carb swapping my 88 tbi... The dizzy I'm looking to purchase stats in has no mechanical tach drive? Does this mean that if I want to run a tach in the future I won't be able to?
  8. A-2 ace

    1988 GMC Sierra Air injection?

    How exactly does this work? And is there anyway it can be deleted?
  9. A-2 ace

    88 GMC 4wd not working?

    I have a 88 GMC that's not wanting go into 4wd!?! It would go into 4wd when I got the truck and today no dice!! It feels like the transfer case is work it's just not locking the front? The light on my floor bored don't light up either??
  10. A-2 ace

    new member

    Whats up everybody!!! new to the forum, and wanted to get some inside on the guys who know best! I have a 1988 GMC Sierra 4x4 5.7 with true dual exhaust cat deleted with a 5 speed trans. I'm looking for some mods i can start out with to make my ride a little more fun to drive Thanks..

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