You either go all the way or don't bother at all... You can remove fuel tank and put in a fuel cell... And yes, AC goes too, evap, egr, power steering, heater core, fans, dash except gauge cluster, install elec. water pump, install alum. subframe, replace side windows and rear with plastic, remove hood...

Hahaha... And in all this, you'll shave 3/10's of a sec.!

just kidding, but point is, unless razekar, it just doesn't matter, you'll get weight down to what, 3,200-3,100? Still too heavy...