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Replacement compressor suggestion

brimac50 on Mon May 03, 2010 2:19 PM User is offline

Year: 80
Make: Chevrolet
Model: C20
Engine Size: 350
Refrigerant Type: r-12
Country of Origin: United States

I have a 80' 3/4T Chevrolet truck. The previous owner had installed a Sanden 508 compressor, at some point. That compressor was seized. I believe, originally this truck had the R4 compressor, which I understand has it's problems.

Should I purchase another 508? Is it a good replacement for a R4? Similiar pumping capacity? I will be using good ole R12. Appreciate the help and suggestions. Thanks

Cussboy on Mon May 03, 2010 2:50 PM User is offline

Wait for a professional response, but I'd guess that using a Sanden 508 will be a lot easier since the mounts are now set up for this compressor, as is the hose manifold mount.

And R4 compressors don't seem to last that long, ask me how amny I've been through in my 88 (R-12) and 94 (R134a) Suburbans.....

TRB on Mon May 03, 2010 2:52 PM User is offlineView users profile

Sanden or Seltec would be the best choice.

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iceman2555 on Mon May 03, 2010 4:43 PM User is offlineView users profile

If staying with a Sanden, replace the 508 with the 510....it works much better with the extra heat load of your truck. Used the 508 with a Ford F100 back in the day....never cooled just right...exchanged for the 510 and never had another issue.
Good luck !!!

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