I have another gx390 carburetor .
i'm thinking about modifying it for an alcohol/methanol blend.
And tuning the high-speed needle a bit rich so i can run a dry shot of nitrous at WOT.
Along with a silver/blue driver spring combination for an engagement of 3600rpm with driven unit on hole #4 and a 6:1 gear ratio for a very STRONG acceleration.
The pick-up should be intense.
I imagine thick tire marks on the ground thus needing wider tires for traction.
Funds are limited, not sure which one to get first.
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about 50% ethanol and 50%methanol. Don't worry. I know all about flushing the system with gasoline after each use. Don't want any internal corrosion.