The 700R4 transmission was produced until 1992 in trucks and 1993 in cars. As far as I’m concerned, this is one of the best automatic transmission ever. It is strong and can be updated for many uses, as in, for hot rods, extra heavy commercial work and when prepared properly for a particular application is versatile beyond imagination.
The 700R4 “Bad Boy” is generally used in vehicle applications where the vehicle will be used in beyond-stock 4×4, heavy duty or performance applications where overdrive capability is desired. Now lets learn wow to rebuild the GM 700R4 / 4L60 automatic transmission.