With their debut in the 1990s, GM's 4L60E and 4L80E transmissions reveal some of their differences –- and similarities –- right in their names. The "4" and "L" respectively refer to the number of ...

Whether you are a full-size truck owner looking to do some hauling on the weekends or an F-body enthusiast looking to do some hauling on weekends, you will eventually end up in a position where ...

For those of you who remember Mike Romaine from our 9-10 second power adder track shootout (April '07), you may recall that this New Jersey-based '99 FRC C5 ran quite detuned at our shootout, on just ...

Modern GM transmissions can be more than a little tricky with all the wiring and tuning involved, but nobody said it needed to be that way. If only there were a little computer you could slap on your ...