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  1. #16
    Forum Moderator GP1138's Avatar
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    Re: Air Conditioning charge points

    Quote Originally Posted by Prodigal_Son
    And, I don't understand why nobody wants to convert their cars to 134A. It isn't that big of a deal.
    x2.. I've never noticed a huge difference between R12 and 134a.
    John C. Wallace

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  2. #17
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    Re: Air Conditioning charge points

    Quote Originally Posted by GP1138
    Quote Originally Posted by Prodigal_Son
    And, I don't understand why nobody wants to convert their cars to 134A. It isn't that big of a deal.
    x2.. I've never noticed a huge difference between R12 and 134a.
    Only difference Ive noticed is R12 is much colder.
    Jay

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  3. #18
    Forum Moderator mfewtrail's Avatar
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    Re: Air Conditioning charge points

    Quote Originally Posted by 19Cutlass94

    Only difference Ive noticed is R12 is much colder.
    Are you going by "feel" or actual measurements? The typical difference is so minute, that a human cannot discern the difference. If you could actually feel a difference, chances are something isn't operating 100% and causing reduced performance.

  4. #19

    Re: Air Conditioning charge points

    the difference is quite large actually. I believe the output from the vent is 5 to 10* colder with R12. You can convert a R12 system to R134 because they run on at the same ambient temperature and internal pressures.
    <br />92 coupe and 93 vert LQ1&#039;s<br /><br />I own 2 so I have one to drive when the other breaks

  5. #20
    Addicted to eaton's Avatar
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    Re: Air Conditioning charge points

    my gp doesnt blow out cold at all but its not really hot.. maybe just a charge?
    2010 Chevy Silverado 325 5.3L Vortec Z71 Crew Cab DD
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  6. #21
    MonteCarloDude's Avatar
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    Re: Air Conditioning charge points

    Quote Originally Posted by 19Cutlass94
    Quote Originally Posted by GP1138
    Quote Originally Posted by Prodigal_Son
    And, I don't understand why nobody wants to convert their cars to 134A. It isn't that big of a deal.
    x2.. I've never noticed a huge difference between R12 and 134a.
    Only difference Ive noticed is R12 is much colder.
    QFT.
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  7. #22
    Addicted to eaton's Avatar
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    Re: Air Conditioning charge points

    WTF does that mean
    2010 Chevy Silverado 325 5.3L Vortec Z71 Crew Cab DD
    2002 Grand Prix GTP. 40th Anv edition, 3.8L Supercharged V6, 130$ BBQ special. 111,000k
    1999 Chevy Silverado 350 5.7L vortec z71, 299k miles, Built 350 Built 4l60E slow wip
    1997 Grand Prix GTP, 3.8L supercharged V6 -Knocking motor mod. 189,000k
    1995 BMW 325I Slow, old, and high tech.

  8. #23

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    Re: Air Conditioning charge points

    Quote Originally Posted by mfewtrail
    I can take a picture tomorrow for you showing where the ports are.

    Thanks man I appreciate it.

  9. #24
    5speedz34's Avatar
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    Re: Air Conditioning charge points

    Quote Originally Posted by Anthony
    WTF does that mean
    Quoted For Truth.

    Shadow, do you have a TGP?

    Tony.V
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  10. #25
    Backseat M0derator jeremy's Avatar
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    Re: Air Conditioning charge points

    Quote Originally Posted by Anthony
    WTF does that mean
    it's for those with HS diplomas to know and those with GEDs to wonder about
    2013 Veloster Turbo 6spd MT

  11. #26
    5speedz34's Avatar
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    Re: Air Conditioning charge points

    LOL.

    No need to hate on people with GED's.

    Tony.V
    1992 Lumina Z34 |3.4L 207ci DOHC 60 V6; Getrag 284|
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  12. #27
    Forum Moderator mfewtrail's Avatar
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    Re: Air Conditioning charge points

    Quote Originally Posted by joey b
    the difference is quite large actually. I believe the output from the vent is 5 to 10* colder with R12. You can convert a R12 system to R134 because they run on at the same ambient temperature and internal pressures.
    Joey, speaking from my own experience, there isn't a whole lot of difference. The last R134a converted cars(1988 Chevrolet pickup & an older Ford T-bird) that I've bothered to measure vent outlet temperatures on were 38*F to 40*F when the ambient temperature was around 85*F. I haven't measured an R12 car in a while, but I honestly cannot "feel" a difference between my TGP with R12 and my other GP that hs R134a in it. I'll measure vent temperatures on both soon...they both blow ice cold!

    Shadow, here's the picture.


    The one with the blue cap there is the low side port that you'll need to use for recharging. Your caps are likely black in color if your car hasn't been converted yet.

  13. #28
    5speedz34's Avatar
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    Re: Air Conditioning charge points

    They change the caps when they retrofit?

    Tony.V
    1992 Lumina Z34 |3.4L 207ci DOHC 60 V6; Getrag 284|
    1994 Pontiac Grand Prix GTP |3.4L 207ci DOHC 60 V6; Hydra-Matic 4T60E|
    1999 Chrysler 300M |3.5L 214ci SOHC 60 V6; 42LE|

  14. #29
    Forum Moderator mfewtrail's Avatar
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    Re: Air Conditioning charge points

    Quote Originally Posted by 5speedz34
    They change the caps when they retrofit?
    You have screw on R134a fittings when you retrofit and the kits that the fittings come in usually have red & blue color coded caps with them to designate the high(red) and low(blue) sides from one another. The stock caps are typically just black in color.

  15. #30
    5speedz34's Avatar
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    Re: Air Conditioning charge points

    Ya, I knew they where black. Our cars are easy to recharge which is nice not having to dig for caps.

    Tony.V
    1992 Lumina Z34 |3.4L 207ci DOHC 60 V6; Getrag 284|
    1994 Pontiac Grand Prix GTP |3.4L 207ci DOHC 60 V6; Hydra-Matic 4T60E|
    1999 Chrysler 300M |3.5L 214ci SOHC 60 V6; 42LE|

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