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Author Topic: Making my old a/c work again.  (Read 360 times)

Offline ndd

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  • Location: Allegan mi
  • Posts: 46
  • 84 hatch 5.0. 86 notch 2.0
Re: Making my old a/c work again.
« Reply #20 on: 09:02:44 AM / 02-Aug-17 »
If it was me I'd add hc12a and be done

Offline weitrhino

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  • Location: North Texas
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  • Vehicle: 1985 Nissan 200SX
  • '85 Notch just cracked 40k miles! RIP '86 Notch
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Re: Making my old a/c work again.
« Reply #21 on: 02:48:47 PM / 02-Aug-17 »
whats cheaper r12 or convert r134?


R134 is a lot cheaper than R12. The nice thing about R12a is it's nearly as cheap as R134 and you can put it right in an R12 system.

Offline ndd

  • n00b
  • **
  • Location: Allegan mi
  • Posts: 46
  • 84 hatch 5.0. 86 notch 2.0
Re: Making my old a/c work again.
« Reply #22 on: 06:58:49 AM / 03-Aug-17 »
Going to 134 actually will result in less overall system capacity.  R12 is not cheap.  If you have system with slow leak that needs to be topped off it can become costly.  Going to hc12a is cheaper has better performance  uses same components and requires no oil change and is considered environmentally friendly I have used hc12a with very good success.  But what way is cheaper? If done right, after initial conversion 134a cheaper.  But hc12a is easy and cheap. Long live the s12!