milage? Are you kidding me? the stock sr20det has descent gas milage, the ka doesnt really… and… turbo the ka ur screwed on gas milage, upgrade the sr, ull ultimately still be screwed on gas milage.
LS1 + T56 = 6th speed on highway going 120km/hr = 1500rpm… 35mpg… boom… lighten the car even better lol