Fix factory system if it all there.....Old air sells the parts to update to R134 with a new POA valve that converts the sytem to a cycling. Or go with the old parts and try the duracool. Check first hose...then the condenser in front....then compressor front seal.
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69 SWB C/10 5-6 drop 700R4
69 Firebird Convert 455 4 spd
70 Torino GT Convert
Austin-Texas
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