1977 corvette air conditioning
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1977 corvette air conditioning
I vacuumed and charged AC on 1977 corvette. (Held 27in Hg vacuum) Had to force freon into system by placing freon tank in hot water. Pressures got to 30 psi suction and 50 psi head after 2 12 oz freon cans, slight cooling on low side line, would not take on more freon. System has been converted to 134a. Any suggestions appreciated.
