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Noob in need of advice-Rotrex Supercharger

Old 07-30-2017, 12:00 AM
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Default Noob in need of advice-Rotrex Supercharger

Hello fellow Miata Enthusiast!

After a long search and driving my husband crazy with questions, I've decided to reach out I bought my '97 about a year ago to try out Autocross, but life got in the way and I never got the chance. I would, however, like to know more about my car. I bought it from a gentleman who put all the extra goodies on it, but I really am not sure what most of it means. My biggest question I guess at this point is about the supercharger on it. I know it was professionally installed by a shop, I know it's a Kraftwerks Rotrex. I was told it SHOULD be the C30-74, but I have no idea how to confirm that. I looked all over the part and couldn't find any markings and the installation/maintenance paperwork that came with it only give me 3 options, but doesn't specify which it is (booklet is for the C15, C30, and C38). Can anyone tell me if there is a way to verify the size of the supercharger? Many thanks!
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Old 07-30-2017, 12:10 AM
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No idea, but I am interested in your name. Do you build tracks, or ride them?
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Old 07-30-2017, 01:30 AM
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The Kraftwerks kits came with the C30.
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Old 07-30-2017, 01:33 AM
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I used to ride mostly off-road/trails etc, but I got off two-wheels a little while ago. It's actually my husband's screen name, he has been racing/riding since he was 4 or 5 years old. He rode tracks all over Florida and Oregon, but we are in the process of trying to build our own track.
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Old 07-30-2017, 01:37 AM
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Thank you Concealer404!!
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Old 07-30-2017, 03:37 AM
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Rotrex's website has physical dimensions in their datasheets if you want to confirm if it's a C30-74.
Rotrex A/S
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Old 07-30-2017, 03:43 AM
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Thank you, that is very helpful fredrickstang
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