A go kart torque converter is an automatic transmission that gives you great power from your engine which makes it perfect for off-road settings. When the go kart is in low gear and is in low speed, more torque and power are transmitted.Click to see full answer. Keeping this in view, does a torque converter make a go kart faster?Yes I agree Torque Converters do offer better acceleration, and also allow many karts to be geared for a higher top speed potential. Torque converters are also a much better choice for most any kart that will be doing a lot of low-speed/stop and go type riding.Subsequently, question is, what does a torque converter do? In brief, the torque converter is a type of fluid coupling, which allows the engine to spin somewhat independently of the transmission. It is responsible for pressurizing automatic transmission fluid, a pressurization that supplies the force necessary to shift transmission gears. One may also ask, how does a torque converter on a Go Kart work? The drive clutch is activated by centrifugal force from the engine crankshaft. The moveable sheave of the clutch is forced in (as shown above) as the rpm of the engine is increased. This contacts the drive belt.What’s the difference between 30 and 40 Series torque converter?Actually you have it backwards, the 30 is asymmetrical(one side of belt/pulleys is flat), 40 is symmetrical(V belt). So long as it fits the engine and fits in the cart you are good to go.