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  1. A-2 ace

    O2 sensor

    OK I will try and get to the parts store today to run a scan and see what codes come up... the o2 looks pretty old as well maybe I'll replace it just for the sake of doing so... I've thought about upgrading it to a 3 wire. Would doing so be worth the extra work?
  2. 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?
  3. A-2 ace

    Problem accelerating

    OK sounds good! I'll take a look into it and update next chance I get
  4. A-2 ace

    Problem accelerating

    Pump has been replaced and truck is running normal again... The gas take is still staying pressurized though? Any ideas on what could be causing this problem?
  5. A-2 ace

    Problem accelerating

    Update fuel pump was going bad causing the truck to lose fuel to the tbi system
  6. A-2 ace

    Problem accelerating

    I changed the fuel filter about a month ago... I will put a scanner to it today... I've also noticed my tank is keeping pressure in it, every time I open it up a bouch of pressure is released
  7. 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...
  8. A-2 ace

    4x4 light on dash

    I bought the truck used.. it didn't come with a owner's manual.. if it did I would have checked there first.. this truck is a new learning curve for me... I've slowly been putting time and effort into getting it %100.. the 4x4 hasn't been working for about a year or so now, I just recently got...
  9. A-2 ace

    4x4 light on dash

    Sorry for the late reply back fellas, but if I'm being completely honest I can't remember if it had on on the dash... I do have a bulb that lights up on the floor shifter when 4x4 is engaged...
  10. 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?
  11. 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?
  12. A-2 ace

    npt size

    they make male npt to -8an for cooler lines i just dont want to buy the wrong thing..
  13. A-2 ace

    npt size

    its a tbi.. i want to swap out the crap lines to an
  14. A-2 ace

    npt size

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

    Heater core hose quick disconnect upgrade

    Have you had any problems with your heater core? When you switched from the quick connect to the barbed fitting?
  16. 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?
  17. A-2 ace

    GMT400 parts sale , lots of parts

    Any Vortec heads
  18. A-2 ace

    Mechanical tach-drive

    @Sparkysikes do you have a magnetic proximity tach?
  19. A-2 ace

    Mechanical tach-drive

    It's funny I've never owned a truck but always wanted one and some how I land up with two in the same year..
  20. A-2 ace

    Mechanical tach-drive

    @PlayingWithTBI ok that makes sense.. this is my first time building a truck/car, I've owned the same little car since high school, and I've never had anyone around me to teach me.. so all these technical references are new to me also
  21. 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?
  22. A-2 ace

    1988 GMC Sierra Air injection?

    Ok cool that makes sense.. my ride don't have cats, true dual exhaust... The motor sounds great and sounds good to, just at idle it has a slight misfire.. my cousin was saying it's nothing to worry about it's just cuz of the cats being deleted?
  23. A-2 ace

    1988 GMC Sierra Air injection?

    Awesome thanks a bunch guys!!! I'll have to take a look at it once o get out of work... Is there a wired plug that goes to the system?
  24. A-2 ace

    1988 GMC Sierra Air injection?

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

    88 GMC 4wd not working?

    @skylark RIGHT ON!!! Thanks for the link man!!! How did you mount you're switch? This came of the description on the link (an added bonus, a 2WD low-range to give you the rear-wheel torque of 4-LO, and the bind-free steering action of 2-HI.) Have you used this before with you're install?

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