Quote:
Originally Posted by ta6point6
.........I started out with an original rebuilt A6 compressor from Napa and went through 2 in 2 years. ...............
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And there's the problem. I said get a NEW one from Alma Products, who own the original GM tooling. They are not cheap, however:
https://coldhose.com/products/new-al...44110452031743
Also note that these A6's ship with mineral oil. To use with R-134a, you need to drain that and replace with PAG...did you happen to check that with your Napa units, or were you running R-12?
And as far as "more" HP required to rotate the A6 vs a Sanden--they're both axial piston compressors with a swash plate to drive the pistons--so if the A6 needs more HP, then it has a larger displacement and pumps more refrigerant. It's the 455 of the A/C compressor world!
The only reason I push the A6 is because the Sanden compressor with all its universal mounting ears and bracket is so ugly. It screams aftermarket.
Best would be if someone were to design a NICE bracket to hold a modern Denso compressor. That would be ideal.