My neighbor and I have twin 2001 Dmaxes. Only complaint is the fuel gauge in both are terribly nonlinear. The needle will slowly fall to 1/2 full, then move faster than a Hot Juiced Duramax the rest of the way. I've heard it's a common complaint but is there a way to "cure" it? I'm switching to a Transfer Flow tank in the near future and if anything can be done, that's probably the best time to do it.