My SDL was converted to R134a. Can I use this method to charge it with propane as well (using the right connectors and hoses of course)

I have a recharging manifold setup with a low, high and fill line for R134a. I am thinking of doing the grill adapter to the manifold so I can keep the gauges and the shut off valves. What do you guys think?

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"I have no convictions ... I blow with the wind, and the prevailing wind happens to be from Vichy"

Current
Monika '74 450 SL
BrownHilda '79 280SL
FoxyCleopatra '99 Chevy Suburban
Scarlett 2014 Jeep Cherokee
Krystal 2004 Volvo S60
Gone
'74 Jeep CJ5
'97 Jeep ZJ Laredo
Rudolf ‘86 300SDL
Bruno '81 300SD
Fritzi '84 BMW
'92 Subaru
'96 Impala SS
'71 Buick GS conv
'67 GTO conv
'63 Corvair conv
'57 Nomad