I've got a small car powered by a motorcycle engine. Normally the motorcycle engine's fuel is supplied by a gravity fed gas-tank that is physically located above the carbs so naturally the fuel doesn't need to be pumped.

My gas tank is sitting on my floor pan well below the carbs (about 20" below). I'm going to try using a walbro electric fuel pump to pump fuel up to the carbs, but I'm concerned I might end up flooding them. The pump I'm using says it won't flood my carbs, and it somehow senses the float level and shuts off when no more fuel is needed. It's a bellows pump and I have no idea how it can sense float levels accurately so I'm a little skeptic -- does anyone know exactly how these work?

Link to the Walbro fuel pump I'm going to use

Does anyone know if this fuel pump is a good choice for pumping up fuel to a motorcycle engine (4-cyl w/4 carbs)? If not, does anyone have any better solutions? I installed this fuel pump last night, but I haven't tried using it yet. I'll probably test it out tonight but I'm curious as to what the correct pump would be, if this isn't it.

Thanks!

Adrian