You’ll need to consider their first gear ratio and could support the gear ratio with a rear axle differential. Knowing these gear ratios informs you if it is ideal to swap one of these transmissions for the other. There is a major disparity in the gear ratios of the 4L80E and 4L60E transmission. Whichever is the case, parts for you 4L60E can be sourced online or from a junkyard. You’ll also find it easier to find parts and whole transmissions when it comes to the 4L60E compared to the 4L80E. Opting for the 4L60E for an engine with high horsepower could result in its breakage.Īnother factor that determines the more expensive price of the 4L80E is because it is not as common as the 4L60E. It’s more expensive price can be tied to its larger size and its use in engines with more horsepower.Īnd if you’re looking for a resilient transmission that can support heavy trucks and high-speed vehicles, then the 4L80E is the better choice. Given that the 4L80E is the more powerful of the duo and is able to support more demanding applications, it’s pricier than the 4L60E. There are, however, occasions where a stock 4L60E transmission may be able to support the engine. These are vehicles used in demanding applications such as towing or racing.Īnd if the 4L60E transmission is used in these engines, the powerful engine may only wear down the transmission. To that effect, cars that have powerful engines are often paired with this transmission. It goes without saying that the 4L80E is more powerful than the 4L60E. On the other hand, the amount of fluid these units will support is dependent on the torque converter that will be used with the transmission. Alternatively, the 4L60E weighs 150 lbs (without fluid) and it has a length of 23.5″.Ī comparison between the size and weight shows that the 4L80E is significantly larger and heavier. Its more hefty build can be tied to its 236 lbs and a length of 26.4″. The 4L80E is larger and heavier than the 4L60E. Size and WeightĪnother notable difference between both units lies in their size and weight. Specifically, there is a gasket of 17 bolts on the 4L80E, while the 4L60E’s pan has 16 bolts. Here, there are more number of bolts on the 4L80E due to its larger size. This is because the 4L80E has a pan that is oval in shape whereas a rectangular pan is featured by the 4L60E.Īnother disparity between both devices is the number of bolts used to secure the transmission to the engine. The 4L80E can be told apart from the 4L60E by looking at their transmission fluid pan. And the 700R4 was the standard transmission used in Chevrolet and GMC vehicles starting from 1982. On the other hand, the 4L60E is an electronic transmission that is a successor to the 700R4. The 4L80E is an electronic overdrive successor to the Turbo 400, and the latter is a transmission that was used for drag racing and hot rodding applications. However, these transmissions differ in the way they were manufactured. The 4L60E and 4L80E have model numbers that are similar. Now here’s a breakdown of the differences between both units: Origin Over and above, the E in both names stands for a transmission that is electronically controlled. However, it may be worth noting that the 4 in either name represents four gears whereas the L stands for oriented longitudinally.Īnd the 80 in the 4L80E says the unit can support 8000 pounds of GVWR, whereas the 60 in 4L60E means the transmission can handle 6000 pounds of GVW. The 4L60E vs 4L80E performance transmission differences are notable in their origin, appearance, size and weight, power, gear ratios, price, etc. Differences Between the 4L60E vs 4L80E Performance Transmission Now let’s show you the 4L60E vs 4L80E performance transmission differences. The 4L80E is also the more powerful transmission of the duo. Although they may have similarities, such as being designed by General Motors Company and having a 4-speed automatic overdrive, these transmissions have unique features that set them apart.Īlso, the 4L60E was evident in rear-wheel vehicles designed around 1993 whereas the 4L80E was popular among diesel and big block vehicles. All 7.0, 7.4, 8.A comparison of the 4L60E vs 4L80E performance transmission shows that there are clear differences between both units.All 5.0, 5.3, 5.7 Liter V8 Goodwrench Engines.Connect and Cruise - With Manual Transmissions.Connect and Cruise - Carbureted with Automatic Transmissions.Connect and Cruise - Fuel injected with Automatic Transmissions.
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