I have a HMMWV with a Duramax engine, it has a 10S20F I am installing a system from a later HMMWV that was always a 2 cond, 2 evep system but I plan on mounting the rear evap to the ceiling instead of the floor. The condensers on that system are mounted in the rear fenders. I actually have not settl...

Looking at the specs the R4 has a 10CI displacement and the 10S20F has a 10.8CI displacement so that should be compatible, I plan on running a trinary switch and wonder what pressures would be right for this system.

Hello all from Papalote, TX I am in the planning stage of installing an AC system on my HMMWV (military Humvee) the system I am installing has dual condensers and evaps. it would normally use a GM pancake compressor but because I am running an 08 LMM Duramax I will be using a 10S20F compressor. I wi...