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TBI on a 2 cycle just adds power, fuel still can escape out the exhaust.
The funny part is my old neglected Subaru 360 that is carb'd goes lean at cruze and injects oil as needed can pass emissions.
It's harmonically tuned on intake and exhaust maximizing torque and minimizing fuel lost out the exhaust.
But it doesn't really rev past 7000 rpms, enforces economy over power
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