An extended sender unit.
In anticipation of spending more time in the workshop this winter, I'm installing another chinese diesel heater, but want a reasonable sized fuel tank for it, so I bought one of the generic 20 litre tanks of eBay.
However, the sender unit comes with, leaves quite a "substantial" reserve -
View attachment 471059
So new bit piano wire, some time with a pair of pliers, and we now have this-
View attachment 471060
Could have done with a bit longer piano wire, but it's much improved, and will let me have a better idea of how much fuel is left in the tank, via the Afterburner controller.
You could make a bigger float or go with a thinner piano wire so it's comparable to the original weight.That thought had crossed my mind.
I'll find out when I get around to testing it.
Alternative is to modify the tank to take one of the vertical sender units.