A Detailed Specification of GM 4L65E Transmission
The GM Hydramatic 4L65E auto
transmission is heavily inspired by the highly popular 4L60E, the only major
difference is that the former is beefed up with heavy-duty parts and components
for greater reliability, strength as well as performance. Talking about the
usage or application of the 4L65E, it was initially developed for use in GM
trucks, but it has now been tweaked so that it can be used for the Chevy
Corvette. It has also been used in General Motors Australia’s Holden Monaro and
also some other prominent performance cars. The 2005 Pontiac GTO model was
adapted from, you guessed it --- Holden Monaro and utilizes the 4L65E transmission. It is also put into
use in the Cadillac Escalade All-Wheel-Drive and various other trucks by the
sheer power of GM's 6L eight-cylinder gasoline engine. Some of the most popular
vehicles include here are: Chevrolet Silverado, GMC Sierra, GMC Yukon XL
Denali, Hummer H3 and H2. It can also be availed as an aftermarket
purchase.
NOMENCLATURE
The model number (4L65E) refers to the basic features of the transmission. The 4L65E transmission is basically a 4-speed transmission, it is longitudinally positioned and it can be controlled electronically. In the newer car models, as per the information received from Novak Conversions, it may also be referred to just ‘4L65’, this is because almost all GM units are equipped with electronic control and one cannot find any non-electronically controlled transmission which is similar to 4L65. Some enthusiasts also refer it as the M32 transmission option. The M30 designation indicates the older generation 4L60E transmission.
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