How does the torque converter work on a GM Turbo 400?
How does the torque converter work on a GM Turbo 400?
The torque converter is bolted directly to the engine’s crankshaft and spins at engine speed. The hub on the converter has two notches that engage with the transmission’s oil pump to provide constant oil flow and pressure.
Do you need special tools to rebuild a GM Turbo 400?
Use a dial indicator to determine input shaft endplay. Measure endplay, and then use shims or selective washers to keep it within specifications. It is true that a few tools, which may be called “special,” are required for certain operations I cover in this book.
Is there a Turbo 400 version of the TH400?
There are were a few one of versions of the Turbo 400 as well. These are the TH375, and the TH475. The Th375 was manufactured for cars with low horespower engines in the 1970’s. It was modified to fit the TH350 driveshaft yolk. If you are looking to purchase a TH400 avoid it.
What kind of oil pump does a GM Turbo 400 use?
TH400 transmissions use a geartype oil pump. The inner gear is driven directly by the hub of the engine’s torque converter. Note that the outer gear is offset in the housing. This creates a chamber that moves oil and forces it out of the pump.
The torque converter is bolted directly to the engine’s crankshaft and spins at engine speed. The hub on the converter has two notches that engage with the transmission’s oil pump to provide constant oil flow and pressure.
When did the Turbo 400 TH400 come out?
Turbo 400 TH400 Transmission. Introduced in 1964, the TH400 is an automatic shift, three-speed, longitudinally positioned transmission. It is highly regarded for its supreme durability. This model has a conservative rate of 450 ft. lbs of input torque, though that can be easily upgraded with aftermarket improvements.
What kind of transmission does a Turbo 400 use?
The venerable Powerglide, long regarded as the bulletproof, go-to drag racing transmission, has slowly gained some company from the Turbo 400, as Nichols went on to tell us.
How much torque does a GM TH400 transmission have?
The TH400 is an automatic shift, three-speed, longitudinally positioned transmission. It is widely regarded to be a supremely durable and legendary transmission. The TH400 is conservatively rated at 450 ft. lbs. of input torque. Aftermarket building techniques take it well past that figure.
