The 4L60E and 4L80E are two of General Motors’ most discussed automatic transmissions, and the choice between them shapes how ...

If you’re building a performance car, there are a number of areas you need to focus on to make sure all of your upgrades are in sync with each other when it comes time to push the limits of their ...

Remember when the "new" 700-R4 came on the scene? Well, the 700-R4 was introduced 30 years ago in 1982 and is still a solid choice for an overdrive transmission for carbureted cars. The GM 4L60E ...

The 4L60E and 4L80E were both developed by GM, and there are many similarities in their designs. However, there are key ...