| Subject: | Re: sanden sd508 vs sd709 |
| From: | Roger Sisler |
| Date: | Tue, 25 Mar 2008 10:59:09 -0400 |
SD709 means 7 cylinders and 9 cubic inches of displacements(which means more compressed refrigerant). SD 508 has 8 cu.in. The 709 runs much more smoother than the 508 because of the added cylinders.The 508 is very choppy and this choppiness is easily felt by the driver. BD has your best price. About $300 for a new one, and only buy a new one.
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