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05-15-2024
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#1 |
 
Join Date: Dec 2005
Location: Delanson, NY
Posts: 915
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r12 to r134a conversion question
I recall that I read somewhere that it takes less R134a to charge the system than R12. Does anyone have information on the amount of R134A is needed for a full charge in a 1990 ZR1 AC system?
Thanks
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1968 convertible Lemans Blue, 1986 coupe Medium Blue NCRS Top Flight (sold), 1990 ZR1 #2529 Red NCRS Regional and National Top Flight (sold), 1990 ZR1 #2124 Charcoal Metallic NCRS Top Flight 2010 & 2018, 2003 Anniversary Red Convertible (sold) |
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05-17-2024
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#2 |
Join Date: Jul 2007
Location: Bartlett, IL
Posts: 7,168
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Re: r12 to r134a conversion question
I thought it was around 75% of r12
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1990 Corvette ZR-1 #1051 Watson Headers (2" Primary) - Flowmaster Cats - Borla Catback Late Model IH - Plenum Coilovers - 4.10s Custom Interior NCM Lifetime Member #978 |
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05-19-2024
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#3 |
 
Join Date: Aug 2012
Location: Ellicott City, MD
Posts: 1,708
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Re: r12 to r134a conversion question
I checked with Marc Haibeck as my system was changed to R-134a. His response:
The refrigerant is measured by weight. It should have 1 lb. 14.6 oz of R-134a. Hope that helps
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Charlie __________ Dredgeguy WAZOO Member 1992 Bright Red/Black ZR1 #246 Dana 4:10 gears Polished LT5 by Haibeck Polished Fikse FM5's with Michelin Pilot Sport 2 Stainless Works headers and cats with Corsa |
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