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  1. OB1214

    New A/C system, Oil amounts in components. 1990 Silverado 5.7L R4

    With regards to the Where to put the oil in the system. The oil should only be added to the compressor. Nothing else. In a properly functioning system, the refrigerant and the oil mix but in the compressor the oil is separated from the refrigerant, and the oil is left behind to lubricate the...
  2. OB1214

    My Chevy truck doesn't let me down

    Welcome to the forum :)
  3. OB1214

    88-98 Service Manuals

    enjoy everyone! Hope this helps if you have a 96.
  4. OB1214

    88-98 Service Manuals

    1996 GMT-400 Service manual. hatzie if you could add this to the giant list that would be great. https://drive.google.com/drive/folders/17iP6D0Ulu3hMnoIqy2g4I1q9V7BomryQ?usp=sharing
  5. OB1214

    88-98 Service Manuals

    I got google drive. I've been extremely busy these past few months, hopefully i can get around to doing it this weekend. I'll keep you posted. OB1214
  6. OB1214

    Anyone On Long Island (NY)

    My apologies for not getting back, I never saw the notification. If you are still around today around 4:30, I can be at Captree state park.
  7. OB1214

    Anyone On Long Island (NY)

    Anyone on Long Island? I want to meet you and see builds and chat. Curious to know if anyone has tried to start a LI meet-up? If so where's a good place in Western Suffolk or Nassau County? Are train station parking lots any good? State Parks? Sunday is supposed to be beautiful out. Let me know...
  8. OB1214

    Shaky Idle

    After hooking up a Snap-on scanner that I borrowed, I was able to read the cam retard. The retard was -2* which is within spec of -2* to 2*. Yes ideally it should be zero, but dropping a distributor in without a scan tool and minimal tools up at school, I would say that's pretty good. After...
  9. OB1214

    Shaky Idle

    Not really, unfortunately. For the past few weeks, I was studying for finals (Already got all my grades and passed all my classes this semester :)). I just got home from school a couple of days and it was pouring rain. Hopefully tomorrow I can get out there. I was doing some reading the other...
  10. OB1214

    Shaky Idle

    After regapping the sparkplugs to 47 thousands the truck had better fuel econ. If you look at my long-term fuel trims they went significantly farther down at certain engine speeds. The motor just sounded better when cruising, not as loud in the cab. However, after driving 175 miles, the motor...
  11. OB1214

    Shaky Idle

    The truck needed all those parts as all the electronic sensors were not reading when I hooked top my scan tool and read the live data. Those spark plugs I put in when I first got the truck. I know for a fact the truck was well maintained previously, however it was sitting for 5 years prior to my...
  12. OB1214

    Shaky Idle

    26,000 miles on an oil change. Now thats how you kill your motor. I run 10W30 conventional. Besides my shake in the idle the motor looks, and is within all top end specs, just like a new motor that rolled off the showroom floor. I'm making compression, EVERYTHING in the cylinder is sealed; if a...
  13. OB1214

    Shaky Idle

    I never have to top off oil, between changes. Every 3,000 miles give or take 100-300 miles over. Doesn't seem that I am burning oil either or leaking it. If i was burning oil wouldn't I not have compression? Bought my those old plugs from my dealer at parts authority and they are ngk. Let me...
  14. OB1214

    88-98 Service Manuals

    Bought a 96 service manual on a cd, and uploaded it to my computer there are 2 books with a combined storage of 750MB. I took a quick gander through the pages on the forum, and haven't seen a service manual for the 96. how and where do I upload the book 1 and 2 pdf files to help out for 96'ers?
  15. OB1214

    Shaky Idle

    So I finally ran a Compression Test on my motor and I am extremely pleased to say I have 150 psi in ALL 8 cylinders, this motor has 242,000 miles on it (fun fact, that's the same distance to the moon... I just arrived at the moon about 3,100 miles ago hahah) Anyways, I tested the compression...
  16. OB1214

    How reliable can I expect a 99 Suburban K1500 to be? What can I expect if I want a daily driver?

    GMTs are great, I love mine. that gen 2 Ram in the background could use some help though. Always wanted one of them, they have a special place in my heart.
  17. OB1214

    Shaky Idle

    Ok thank you I will report back in a couple of days when I have my compression results.
  18. OB1214

    Shaky Idle

    Received my New to me, Basically brand new Compression tester in the mail the other day and still have had enough time to take the plugs out and test however I was doing some reading about the PCV system and came across this website https://www.aa1car(DOT)com/library/pcv.htm and scrolling about...
  19. OB1214

    Gmt400 frame

    No worries probably got lost in the sea of other posts.
  20. OB1214

    Gmt400 frame

    I know I asked this question over a month ago and no one could give me a response. However, I have answered my own question and thought I might share my discoveries with anyone who has this same question. The 94 400s have a different front end compared to the 96, about a 1/2 inch. When I was...
  21. OB1214

    Shaky Idle

    my elevation is about 600 feet according to google. 29inHg is no vacuum, which would be key on the engine not running, or engine running at WOT, I think. correct me if I'm wrong
  22. OB1214

    1994 K2500 454 7.4L Proper Oil Pressure When Hot?

    I have gen 6 454 my block has a pipe plug above the oil filter can one tap in there too for a mechanical gauge, or will they be different readings?
  23. OB1214

    Shaky Idle

    Yes the truck is running lean and the computer is telling the injectors to run,12.5% and 7.8% MORE fuel to get to 14.7:1 Air/Fuel. I did my lower and upper intake gaskets with sealer and new Throttle body gasket. hooked up a vacuum gauge and it was showing 20inHg at an idle.
  24. OB1214

    Shaky Idle

    I do think there may be something wrong with my EVAP solenoid, as I can hear it clack away. This is the second new one I have put in, granted it a NAPA branded one. I will check later tonight what my fuel trim is at higher engine speeds while I am driving and report back to you. I will come up...
  25. OB1214

    Shaky Idle

    Replaced every sensor on the vehicle with Delphi, Dorman, Delco. The ignition system consists of standard (wires and cap), standard blue streak (rotor), NAPA (Distributor, all they had in stock when my original one sh** the bed. and msd (coil). Im at school at the moment and do not have my...

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