Seems most mechanical ones are more accurate, but you don't want fuel running into the cockpit do you :). I think both will read close enough to the same as long as teh electrical sending unit is decent.
JackB nimble JackB quick JackB can suck my dick =P (n/m) - james-lee 19:14:33 11/02/01 Arrogance is the #1 weapon against Supra Owners (n/m) - MikeH(Twin GT35BB Incon Z) 08/06/02 Dallas with a Z: I like the bulge dude 05/02/03