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Thread: a/c question

  1. #11
    Join Date
    Dec 2008
    Location
    South Carolina
    Posts
    794
    ok thanks guys is there anything else yall would suggest replacing other than the orfice tube and dryer?
    2008 GMC Sierra SLE....370ci LY6 with some goodies SOLD
    1995 C2500- LS1 swap with a mp112
    build thread- http://www.ls1truck.com/forums/lsx-t...-ls1-swap.html

  2. #12
    Join Date
    Feb 2010
    Location
    Central Texas
    Posts
    300
    You can get a adjustable orfice tube @ Orielly's for about $25 bucks. What I mean is the tube actually works like the old expansion valve. They carry two different ones, one for 100 degree weather and one for105 degree weather. Colder air keeps the old lady closer by myside.

    BB

  3. #13
    Join Date
    Mar 2010
    Location
    Paris, TX
    Posts
    511
    Do you have the part numbers for those adjustable ones?
    99' Silverado RCSB Z71: 5.7L Iron LS1, 11.2:1, Custom EPS Cam, Ported 862's,Ported TB, E-Bay Cold Air, E-Bay Long Tubes, Dynomax X-Pipe Exhaust, Electric Fans, Innovative LC-1, Self Built 4L60E, Circle D Pro Single Disc, 4:10 ValueTrac


    http://www.ls1truck.com/forums/image.php?type=sigpic&userid=7887&dateline=1270435  715

  4. #14
    Join Date
    Mar 2009
    Posts
    130
    also pressure check or make sure your vacuum holds around 20-25 microns for 30 minutes before charging.
    Nothing stock...I either broke it or replaced it before I broke it!!

  5. #15
    Join Date
    Sep 2007
    Location
    Broken Bow, OK
    Posts
    1,434
    It's not an adjustable orifice tube, it is a variable orifice valve or auto adjusting orifice tube.

    38903 from oreilly's. Same one fits OBS and NBS, depending on rear AC options.

  6. #16
    Join Date
    Feb 2008
    Location
    Silver Spring, MD
    Posts
    54
    Quote Originally Posted by RedHeartbeat View Post
    It would be cool if there were some gas developed that you could pressurize the system with that would grab all the moisture molecule in the a/c and drag them out the schraeder valve when you bled the gas back out. It would be so nice to not have to pull a vacuum before charging then a/c's would be owner servicable without buying or borrowing a vacuum pump from Vatozone.
    Vatozone? That's funny right there I d'un care whoyar...

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