## Vehicles Equipped with the TH400 Transmission
The TH400 (Turbo Hydra-Matic 400) transmission, manufactured by General Motors, was a renowned 3-speed automatic transmission widely employed in a range of vehicles from 1964 to 1981. Its durability, reliability, and adaptability made it a popular choice for heavy-duty applications, towing, and performance vehicles.
### General Motors Vehicles
Buick:
– Buick Riviera (1964-1981)
– Buick Electra 225 (1964-1981)
– Buick LeSabre (1964-1981)
Cadillac:
– Cadillac Fleetwood Brougham (1964-1981)
– Cadillac DeVille (1964-1981)
– Cadillac Eldorado (1964-1981)
Chevrolet:
– Chevrolet Corvette (1964-1972)
– Chevrolet Impala (1964-1981)
– Chevrolet Blazer (1969-1972)
– Chevrolet Suburban (1969-1981)
GMC:
– GMC Sierra (1969-1981)
– GMC Yukon (1969-1981)
### Other Vehicles
In addition to General Motors vehicles, the TH400 transmission was also found in a variety of other models, including:
– AMC Matador (1969-1975)
– AMC Ambassador (1969-1975)
– AMC Hornet (1971-1975)
– AMC Pacer (1975-1981)
– Chrysler New Yorker (1969-1978)
– Chrysler Imperial (1969-1975)
– Dodge Challenger (1970-1974)
– Dodge Charger (1970-1974)
– Dodge Monaco (1969-1978)
– Ford Mustang (1968-1972)
– Ford Torino (1968-1971)
– Ford Thunderbird (1968-1971)
– International Harvester Scout (1968-1980)
– Jeep CJ-5 (1972-1981)
– Jeep CJ-7 (1976-1981)
– Kaiser Jeep Wagoneer (1969-1978)
### Applications and Features
The TH400 transmission was designed for heavy-duty use and was commonly found in full-size cars, pickup trucks, and SUVs. Its rugged construction and robust components made it well-suited for towing and hauling.
Key features of the TH400 transmission include:
– Three forward gears (Drive, Second, Low)
– Neutral position for towing
– Heavy-duty construction with a cast-iron case
– Large, high-capacity fluid capacity
– Dual-stage stator for smooth shifting
### Modifications and Upgrades
The TH400 transmission has been a popular choice for performance upgrades due to its adaptability and durability. Common modifications include:
– Performance shift kits for quicker and firmer shifts
– Overdrive gearsets for improved fuel economy
– Lock-up torque converters for reduced power loss
– Heavy-duty sprags and clutches for increased torque capacity
### Legacy and Impact
The TH400 transmission played a significant role in automotive history, particularly in the realm of performance and heavy-duty applications. Its reliability, longevity, and adaptability have made it a beloved transmission among enthusiasts and professionals alike.
Today, the TH400 transmission remains in use in many older vehicles and is still manufactured by aftermarket companies for performance applications. Its legacy as a robust and versatile transmission continues to inspire automotive enthusiasts and engineers.
