A/c RV2 compressor types

[monroegtx]

Could anyone offer up some info on the types of RV2 compressors that seem to be available online. When they're advertised as re manufactured, does that mean they now accept the newer type gas? I've seen four seasons and Spark ones advertised as well as ones that seem to be original, but i don't know too much about them. Are the Four Seasons and Spark ones aftermarket units or were they original suppliers? Going by the pics on eBay, they seem to have the same or similar cast numbers on them. I'm looking at getting an original type compressor for a 70 440 but not sure how to sort through all the different ones available. Looking forward to your views. Cheers.

 

[JimKueneman]

Do you have the original that came with the car? They are super easy to rebuild if the pistons are not scored and the reed valves are not bent once you pull it apart for inspection. All it needs is a R134a compatible front seal.

Bottom line it is highly unlikely anyone uses non-R134a seals anymore.

https://www.classicindustries.com/product/md646747.html
https://www.classicindustries.com/product/1968/dodge/coronet/parts/md646748.html

Is all you need if the bearings look good. Clean out the mineral oil (with something alcohol based so it dries with out a residue) and add the 134a compatible ester oil.

My car rebuild:

http://www.forbbodiesonly.com/mopar...net-500-project.114333/page-18#post-910565902

note I went through 2 seals until I figured out how the damn thing was suppose to be installed so DON'T follow my lead in this first batch of posts. I figured it out later...

http://www.forbbodiesonly.com/mopar...net-500-project.114333/page-39#post-910641603

 

[monroegtx]

Hi Jim, thanks for the links to the parts and also to your build. I intend to go back and read through the lot when i get the chance, as the little i glanced at was pretty darn good.
Even though the car was an original factory air car, it didn't have any of the under bonnet pieces when I got it. I've been accumulating them slowly when I can find them, 70 GTX a/c parts are pretty hard to come by. I've been looking online and that's where i've seen the different brands and such that I was asking about. Not sure whether to go re manufactured or try to get an original and do it myself. I like to tinker so that's not a problem, but getting one and finding out that it's junk may end up costing more than a reman one in the end. I wasn't sure whether the four seasons and spark were actually original supplied units, or aftermarket ones that had been redone. Just trying to get some knowledge from those in the know. There doesn't seem to be too many over here, not that I can find anyway, so have been looking at getting one from the US.
Cheers, Glenn