Replacement Rotrex Supercharger for the GTM Stage 1 kit

Originally Posted by Mkai0 No my Rotrex 1.5 upgrade is the same stg1 sc C38-81 with just a larger housing. The larger Rotrex unit will likely not fit with the

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Replacement Rotrex Supercharger for the GTM Stage 1 kit

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05-07-2014, 08:27 AM

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theDreamer

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Quote:

Originally Posted by Mkai0

No my Rotrex 1.5 upgrade is the same stg1 sc C38-81 with just a larger housing. The larger Rotrex unit will likely not fit with the stg1 configuration. You could still always use a smaller pulley for more power on your current setup.

That was my plan, looking over the charts of the units at 8psi it is in the lower 50% so plenty of room to drop down a pulley size and bump up the psi to 10-11. Plus my other upgrade idea with that is e85 to squeeze out a little more that 93 octane lacks.

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