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Yesterday, 06:24 PM | #1 |
Senior Member
Join Date: Jul 2006
Location: Midlothian TX
Posts: 390
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R134 Refrigerant Capacity?
How many cans of R134 are needed to recharge a stock original system on a 1972 from empty after vacuuming and sealing?
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Yesterday, 08:38 PM | #2 |
DND Trucks
Join Date: Dec 1999
Location: NW Indiana
Posts: 2,390
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Re: R134 Refrigerant Capacity?
I would call Old Auto Products, I'm sure they'll know.
817-531-2665 |
Yesterday, 10:07 PM | #3 |
Senior Member
Join Date: Jul 2006
Location: Midlothian TX
Posts: 390
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Re: R134 Refrigerant Capacity?
I don't want to call a company about it. Someone on here likely knows and has recently done it. Please chime in if you know.
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Yesterday, 10:09 PM | #4 |
Registered User
Join Date: Jul 2022
Location: Rockford, Mi
Posts: 76
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Re: R134 Refrigerant Capacity?
R134a is not compatible with a 1972 factory original system that used R12 at the time which is next to impossible to get, and if you did find some it would be obscenely expensive. It is no longer produced and anything out there would be either recycled or old stock.
R134a was first introduced in early 1990's. |
Yesterday, 10:57 PM | #5 | |
20' Daredevil (Ret)
Join Date: May 2003
Location: Jefferson State
Posts: 13,665
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Re: R134 Refrigerant Capacity?
Quote:
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- Mike - 1972 K20 LWB 350/350/205 RIP El Jay |
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Yesterday, 11:48 PM | #6 |
Senior Member
Join Date: Dec 1999
Location: Southern California
Posts: 2,830
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Re: R134 Refrigerant Capacity?
IIRC the stock R12 charge is 3.25 or 3.5 lbs. R134a charge would start at 15% less, so start at about 2.8 lbs. Hopefully you have addressed the conversion needs. As mentioned you cannot just throw 134a into a stock system. You will be very disappointed as the system will not produce any cool air without proper corrections.
__________________
Richard 1972 K10 Custom Deluxe SWB Fleetside My build https://67-72chevytrucks.com/vboard/...d.php?t=800746 |
Today, 12:58 AM | #7 | |
Senior Member
Join Date: Jul 2006
Location: Midlothian TX
Posts: 390
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Re: R134 Refrigerant Capacity?
Quote:
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