This 1997 Chevy Suburban has a 5.7-liter engine ... It also has a propensity for killing its 4L60E four-speed automatic transmission. The4L60E transmissionhas been used in a slew of 1/2-ton ...

But alas, we have a solution to help your classic Chevy consume ... an overdrive transmission to the mix. Converting to an overdrive transmission, like the Performance Automatic 4L60E unit ...