Art Carr loves the 700-R4 overdrive automatic transmission as much as the next guy. The problem is, these transmissions blow up when they're subjected to real power. That's why Carr is a huge ...

In our last episode (Mar. '10) we dyno tested a slew of bolt-ons and the new Precision Turbo (#PTB305-5857) on our Grand National test car. With these upgrades we anticipated possibly breaking into ...

Q Recently my son-in-law replaced the 42RE transmission in his '96 Jeep Cherokee with one purchased at a salvage yard. The transmission works well in all gears except overdrive. It will not go into ...