Search found 12 matches

by waid1017
Thu Aug 24, 2017 12:07 pm
Forum: Automotive Air Conditioning Forum
Topic: GM R4 Compressor - New Scroll Design. Better than Piston Type ?
Replies: 26
Views: 39565

Re: GM R4 Compressor - New Scroll Design. Better than Piston Type ?

What is the Trash-90 ? I have unique application. I am installing AC in my 1964 Falcon using Explorer 5.0 timing cover and short water pump so need a very short AC Compressor and the R4 fits the bill. I have a bad R4 that I used for mock up. I made my own brackets and spacer and R4 fits really nice....
by waid1017
Thu Aug 24, 2017 8:57 am
Forum: Automotive Air Conditioning Forum
Topic: GM R4 Compressor - New Scroll Design. Better than Piston Type ?
Replies: 26
Views: 39565

GM R4 Compressor - New Scroll Design. Better than Piston Type ?

While looking for a new R4 Compressor, I found an aftermarket company making a new GM R4 but in a Scroll design! No Pistons. I would think the Scroll type with less moving part would me more reliable. They are on eBay and Amazon. The pulley is smaller than typical R4 use spin the Scroll faster I ass...