The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - Changing A/C back to R12 from 134A on my 71

Blue68 · 05-22-2003, 09:20 AM

As I understand it, r134 is not as effecient a coolant as r12, thus a system not designed for r134 will not work as well as it did with r12. I think you need a larger condenser with r134 to acheive same results in an application as r12.

05-22-2003, 09:20 AM	#6
Blue68 Registered User Join Date: Apr 2000 Location: Frisco, Tx, USA Posts: 606	As I understand it, r134 is not as effecient a coolant as r12, thus a system not designed for r134 will not work as well as it did with r12. I think you need a larger condenser with r134 to acheive same results in an application as r12. __________________ http://home.comcast.net/~r.landrum/w...tos.html-.html '68 C-10 LWB, '98 Z-71 350 w/accessories (Serpentine), Edelbrock Performer, Edelbrock 1405 (600cfm) carb, GM HEI, CompCam Extreme 4x4 roller cam, Thorley Headers, Carter Electric Fuel Pump, Vintage Air, 700r4, 3.73, disc brakes and power steering upgrades.