1 piece TCC control valve in the valve body. Does not have PWM cast into front pump. The 4L60E transmission was first introduced in 1992 as an upgrade or replacement to the 700R4 transmission, also known as the 4L60 transmission. The 4L60 got the E at the end whenever control of the transmission was switched to the engine computer. 1994: Interchangeable with '93 4L60E with no modifications. The traditional small-block six-bolt bellhousing pattern is the best and easiest way to identify a 4L60E style transmission if you find one at the swap meet for sale. The two transmissions were mostly similar, with a major difference being the upgrade from hydraulically to electronically controlled transmissions. It has an 11 pin case connector. Are 4L60E transmissions the same ? The 4L60E transmission was found behind the majority of GM rear wheel drive vehicles for the almost 20 years. More importantly, not all 4L60E transmission are compatible with one another. The '93-'94 is a NON PWM transmission. The E …

Plate has holes in plate, marked in diagram below. Today, the three-speed automatic transmission is extinct and all new GM cars and trucks come with overdrive four-speed automatics, making them easy to find and relatively affordable. No they are not. The easiest way to adapt an electronic 4L60E to an earlier Gen I small- or big-block Chevy is to use one of the earlier small-block 4L60E boxes located behind small-blocks used in trucks and pre-’98 cars. 4L60E Identification The 4L60E transmission has been in production for over twenty years, even longer if you consider the fact that it came from the 4L60 (700R4). This means that the lock up apply strategy is an on /off arrangement.