GM’s vortec 4200(inline 6) has only been out since 2002 so doesn’t leave much proving ground for mileage but i’m betting in a few years it will be at or past where fords inline is
GM’s vortec 4200(inline 6) has only been out since 2002 so doesn’t leave much proving ground for mileage but i’m betting in a few years it will be at or past where fords inline is