The 700R4 is a very popular transmission in 4×4 trucks. It is both proven and rugged. They can be found all day long in the salvage yard at a very reasonable price. If you are looking for one just keep in mind that the factory units are typically going to found in a Silverado or … Read more
Many transmissions have a harder life than the manufacturer had originally intended. Whether it has found life in a street machine, or it is in a tow truck, a transmission cooler can really help keep a transmission running better for longer. Transmissions wear out incredibly quickly when the fluid gets over the ideal operating temperature. … Read more
Before the invention of the overdrive transmission, the final gear would always be direct drive(1:1 gear ration). So, you had to choose what you wanted out of your car. This meant that all but the most aggressive cars came from the factory with “highway gearing”. Highway gearing tended to be like a 2:73 axle ratio, … Read more
A transmission is only as good as its owner, and the rigors that they put it through. There are a few things that you can do to prolong the life of your transmission. Change the fluid when the manufacturer suggests that you should. It is easy to open up the hood, check the dipstick, see … Read more
The 700r4 transmission is certainly fine to use in performance applications. They don’t have the best reputation for durability, and that is a shame. The TH700R4 really only had reliability issues in its first few years. If you are looking for what year to go after, checkAfter that the kinks really were worked out. Build … Read more