Lets make the best real world *MPG* THREAD EVER !!

Same car and set up. 273 + .040 TRW forged 10.5:1 pistons, 72 milled 340 1.88 intake valve J heads 64.8 cc chambers equallized, 71 340 TQ and intake, dual 2 inch exhaust through turbo mufflers, stock ported 273 exhaust manifolds, no flapper valve, stock 65 273 radiator with 3 row core, electric fan, 72 used 340 cam installed @ 114 intake centerline, 71 340 flywheel bell housing, 10.95 big block clutch, Premium gas, 3690430 Direct Connection distributor, Taylor Spiro Pro wires, consistant 25 mpg cruising at 60+ mph.