ghetdjc320 Posted February 24 Share Posted February 24 So I’m designing all new AC hoses and lines for my engine swap. Any thoughts on the ideal location for the high and low side service ports? I was liking the idea of installing them near the expansion valve to make them easy to access but not sure if that is an ideal location for taking readings. My ac compressor is a low mount block hugger setup so although I could technically put the fitting by the compressor, they will be tough to access. I mounted my dryer on a bracket near the battery. for my evaporator core, I’m using a newer plate a fin style along with the 91-92 MJ expansion valve for R134. Link to comment Share on other sites More sharing options...
ghetdjc320 Posted February 26 Author Share Posted February 26 Well I decided to go with two high side ports, one at the compressor and one at the expansion valve. That way I can more easily diagnose a future AC issue. For the low side, I will be installing it on the expansion valve suction side. Should make servicing very simple with easy access. The 1990 AC system uses all standard o ring fittings in sizes 6, 8 and 10. Link to comment Share on other sites More sharing options...
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