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Originally Posted by Buddy Revell

Hmmm...if you don't agree that fstrnldr shared some good information on Rotrex and Vortech blowers (he wasn't talking about complete kits, just the actual SC units), please explain which of his points are incorrect.

1. What does Stillen's roots-based 350Z kit have to do with fstrnldr's thoughts on the Rotrex or Vortech units? He wasn't talking about the old Eaton blower at all nor was he talking about any company's complete SC kit.

2. What does HKS's commercial success on it's 350Z SC kit have to do with the fact that the Rotrex unit is pretty quiet and has been used in various SC systems like the Honda kits by kraftwerks/Oscar Jackson? I don't think he was implying that Rotrex's unit was used in more applications than Vortech's or anything like that.

3. Was he incorrect about any of the facts concerning Vortech (solid peak power potential, improved design due to no longer using the engine's oil, the bearing issue that happened with some of their older units, etc.)? Was he incorrect in any of his points about the Rotrex (newer company with not as much info about it, quiet design, good midrange power for a centrifugal unit, etc.)? Those were accurate points, as far as i know.

Originally Posted by MMC Racing

I don't believe that his points, nothing 1st hand, brought any extra value. Anyone with the ability to use a search button already know rotrex are quieter than Vortechs. Specific to these kits, the position in the engine bay will only compound this difference.