On the clutch, I would definitely check the free play adjustment and also for any wear in the linkage.
Lehigh compressor specs seem to be quite elusive -- as bad as parts availability. I do not know this number as fact so was not going to put it out there but in a discussion some years ago on the AACA forum a poster speculated the V in the compressor model is for the piston layout and because it is rather large and there are 4 pistons the 93 stood for 9.3 CI.
Again, I cannot say this is fact but it does sort of fall in line with a recommendation another poster said Vintage Air had made when he talked with them about his car. Don't know the make but the number of 8-8.5 cubic inches was needed for factory evaporators in his car. Since the Packard evaporator is quite large 9.3 would fall in line with the amount they said was needed for whatever he had.
According to the
Sanden website their SD7H15 model is almost 155 cc and 155 works out to 9.4 CI.
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