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We put one on a DR. friends 69 Z28 with a ZZ4 engine about 2 years ago and it is running great. The increase was tremendous and is actually running better now than when we first put it on. Although not driven daily, it is driven to work on nice days and on weekends. It idles well and accelerates smooth and strong. Feels like a big block anytime you mash the pedal. Of course it is quite noisy and draws plenty of attention. Hershey
Are they happy with them as far as performance? Have they had them long enough to say they are reliable?
They ALL love them, if I was buying a centrifugal supercharger tomorrow that's what I would buy. MUCH better quality and longer life than Paxton and Vortech.