The 700R4 transmission from General Motors continues to be a reliable and sought-after automatic gearbox more than 40 years after its introduction. Used in all manner of cars and trucks, the GM Turbo ...

GM's small four-speed automatic has been both cursed and blessed. Its 0.70:1 overdrive ratio in top gear is the primary reason for the 700R4's popularity, but the 3.06:1 First gear also helps both on ...

No matter how impressive the parts, paint, or power numbers, a Pontiac that can't move under its own power is a lawn ornament. Although having a reputation for being reasonably reliable with the stock ...

It's no secret that adapting late-model three- and four-speed automatic transmissions to early engines is about as popular as converting mechanical fuel injection to electronic. Unfortunately, most of ...