Lightweight wheels:
16x7 Rota Slipstream wheels (13.9lbs each) compaired to the stock 15x6 steel wheels (25lbs each)
lowered suspension 2/3
Front:
Belltech 2" drop springs with 1967-1969 Chevy Camaro spec shocks.
Rear:
leaf springs from a 4x4 2001-2004 Tacoma era with one leaf removed from the pack, no blocks...
Rear Leaf setup explained:
The 4x2 Tacomas have an axel that rides above the leafs, the 4x4's axels ride below the axel, so their arch is less than stock which makes them ideal for lowering.
I'm not sure if this is considered an eco mod, but I also have a Doug Thorley catback exhaust that is aluminized steel and mandral bent..
It weighs less than the factory exhaust, so I suppose that helps..
I'm road testing some mockup wheel skirts currently and recentally added a vac gauge for a little instrumentation.. (for now)