What is the difference between a Turbo 400 and a Turbo 475?
They’re basically the same transmission, but the TH475, also nicknamed “the dump truck transmission”, has the straight cut gears and sometimes a deeper pan. If you can look at the top of your transmission’s tailshaft, it ought to have “HD” (heavy duty) brazed onto it if it’s the 475.
What are the gears in a Turbo 400?
Gear Ratios The Turbo 400 features 2.48 to 1.00 in first; 1.48 to 1.00 in second; direct drive in third; and 2.07 to 1.00 in reverse, according to 4wheeloffroad.com and jeeptech.com.
Are all TH400 transmissions the same?
They are, for the most part, interchangeable on the same vehicles; however, you would normally find the TH400 in larger engine applications because they are able to function more reliably at higher engine rpms.
How many gears does a Turbo 700 have?
4-speed
The 700R4, also known as Turbo Hydra-Matic, is a 4-speed automatic transmission that was launched by General Motors in the early 1980s. It is an upgrade to the 3-speed TH350 automatic transmission and older models of rear-wheel-drive cars.
Is a Turbo 400 a 3 speed or 4-speed transmission?
The Turbo 400 transmission was a 3 speed automatic transmission developed by General Motors. This was one of General Motors editions of the Hydramatic transmission series. This transmission is known more commonly by the name TH400, although it did receive another name change in the late 80s, adopting the name 3L80.
Does TH400 have overdrive?
But the TH350 and TH400 three-speed versions (and their two-speed Powerglide cousin) fall short when it comes to highway cruising. The reason for this is the conspicuous lack of an overdrive gear.
Will a Turbo 400 bolt to an LS engine?
“The TH350, TH400, and Powerglide are a direct bolt-on for an LS engine,” explains TCI’s Winstead.
How many gears does a 350 Turbo transmission have?
three-speed
The TH350 is an automatic shift, three-speed transmission. It is widely considered to be one of the greatest of automatic transmissions ever built.
What kind of Turbo do I need for a 75mm compressor?
S400 turbo 75mm compressor T6 Vband style. A popular choice when building twin/compound turbos. A durable turbo with enough airflow to cool up to 750hp.
How do I identify a 700R4 Turbo Hydra Matic?
The Turbo Hydra-Matic 700R4 can be identified by an oil pan number six shown at General Motors Transmission Pans. The tailshaft housing is held onto the main case by four bolts (the bolt spacing is similar to the THM350), and uses a square-cut o-ring seal, and not a gasket.
What turbine size for Borg Warner Turbo?
Real Genuine Borg Warner turbo comes with factory warranty 6 months for internals. Select the medium turbine (92/1.10) for midrange response/power.
Which turbo turbine should I buy?
A popular choice when building twin/compound turbos. A durable turbo with enough airflow to cool up to 750hp. Real Genuine Borg Warner turbo comes with factory warranty 6 months for internals. Select the medium turbine (92/1.10) for midrange response/power.