Rule Clarification For Modified “R.W.Y.B” Trucks Utilizing Blowers/Pro Chargers
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Maximum supercharger size: 14-71
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19-inch rotor case length, 11.25-inch rotor case width rotor case width to be measured internally
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Note: For those utilizing 8-71 blower the following dimensions used:
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16-inch rotor case length and 11.25-inch rotor case width to be measured internally.
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Screw type blowers are not permitted.
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Variable multi-speed supercharger devices prohibited.
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Pro Chargers are allowed as well maxim size of F-3R-130
9.13.2018