EZ uses either a VSS or a potentiometer; it’s up to the customer. Naturally it’s less expensive with a potentiometer, but not a lot cheaper. The VSS they supply goes between the angle drive on the ZF and the speedo cable. SACC only supplies their system with a potentiometer.
As I mentioned in a previous posting, the only person I know of that has experience with both systems is Gerry Romack. I’m sure he would be happy to reply to an e-mail asking for a comparison of the two systems.
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