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GM Turbo Hydramatic 400
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If you would like a
specific recommendation from a TCI® product specialist based on
your vehicle specs, click
here. |
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TCI®-equipped GeeTO TIGER!
The Turbo Hydramatic 400, or Turbo 400, as it is more commonly known among racers and performance enthusiasts, made its debut in 1964 as the standard equipment transmission in big block-powered Cadillacs and other full size GM vehicles.
Almost from the moment it put in an appearance on the street, the Turbo 400 attained near-legendary status as one of the strongest automatic transmissions ever made. In addition to becoming the transmission of choice for serious drag racers, pulling trucks and other mega-horsepower big block enthusiasts, the Turbo 400 automatic found a home as standard equipment in some of the most powerful and exotic vehicles ever produced –from V12 Jaguars and Ferraris to Full Size Jeeps and military vehicles. Today, the THM 400 transmission is only installed as original equipment in certain military vehicles, but it remains a favorite among horsepower junkies everywhere in need of a brutally strong 3-speed automatic. Although Turbo 400s are already stout in stock form, a TCI® prepped Super StreetFighter™ or Competition Turbo 400 can handle over 600 normally aspirated horsepower.
Far from just being an industry-leading manufacturer of “ready-to-run” automatic transmissions and torque converters, TCI® also carries all of those hard to find transmission swap components that you’ve been looking for –mid mount engine plates, adapter plates, kickdown linkage brackets, shifter and TV cables, speedometer gears, shifters, and much, much more. All TCI® transmissions, torque converters, and valve bodies are triple-tested in our state-of-the-art manufacturing and research facility in order to ensure reliable performance before they ever see the inside of one of our shipping cartons, and our internal components are guaranteed to be the very best that money can buy. So check out TCI® for all of your Turbo 400 needs –that high powered big block under the hood of your street machine will thank you!
Transmissions
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Triple
Tested Quality
 We go the extra mile to ensure your
transmission is superior in both form and fun
ction. Beginning with a
careful inspection of the transmission case and components that will be
used, we replace stock parts with high performance bands and components
where applicable. We increase fluid flow, lubrication system and thrust
capacity. Problematic hard parts are replaced with stronger components,
many of which we fabricate ourselves at our in-house machining centers.
Valve bodies are completely remanufactured and 100% tested prior to
installation. Finally, each and every TCI® transmission must pass both a
static hydraulic pressure test during assembly and a final dyno test prior to
shipping. That's Triple Tested so you can be confident you're getting a transmission that's
ready to rock.
For
details regarding the different types of TCI® transmissions, click
here.
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Applications |
Engine Size |
Sizzler® |
StreetFighter® |
Super
StreetFighter™ |
| Chevrolet,
TH400, non lock-up, with 4" tailshaft |
All
Chevrolet V8 |
211038
 |
211000
211010 1
211015 2
|
211005
|
| Chevrolet,
TH400, non lock-up, with 9" tailshaft, large yoke |
All
Chevrolet V8 |
|
211090
|
211095
|
| Buick,
Oldsmobile, Pontiac TH400, non lock-up, with 4"
tailshaft, large yoke |
All
B.O.P V8 |
|
211300
|
211305
|
| Buick,
Oldsmobile, Pontiac TH400, non lock-up, with 9"
tailshaft |
All
B.O.P V8 |
|
211390
|
|
| Buick,
Oldsmobile, Pontiac TH400, non lock-up, with 12"
tailshaft |
All
B.O.P V8 |
|
211312
|
|
|
1 With
special low gear planetary installed (
2.75 low, 1.57
2nd)
2 Extra heavy-duty version with
Red Eagle clutches & Kolene treated steels
Torque Converters
Triple
Tested Quality
TCI®
strives to produce the best torque converters in the industry. Part of
the process involves ensuring that each unit is built to spec.  Regardless
of what category or price level it may fall into, every TCI® torque
converter is Triple Tested during assembly.
Once all the prep work on
the component parts has been completed, the impeller is welded to the
front cover. Immediately following this process, a pair of dial
indicators are employed on a rotating table to verify that the impeller
body and pump drive hub remain true.
Each unit is then
pressurized and subjected to a leak test to confirm the integrity of all
the weld seams. Lastly, each unit is computer balanced to reduce
annoying and potentially damaging drivetrain vibrations that would occur
from an unbalanced torque converter. That's Triple Tested so you can be confident you're getting a
torque converter that's
ready to roll. |
| Torque
Converter Application |
Sizzler |
Saturday Night Special |
Breakaway 11" |
StreetFighter®
10" |
Super StreetFighter™ |
Ultimate
StreetFighter™ |
| 1965-84
TH400, 425, 425, 375 with wide bolt pattern (except
variable pitch) |
|
241501
|
241400
1,2
|
242000
242101 2
|
242002
2
242022
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241003
2
241004 4
|
| 1965-81
TH350, 375 with small bolt pattern (except lock-up) |
241538
|
241500
241502 3
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241300
241100
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242100
242101 2
|
242102
2
242122
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|
| 1965-91
TH350,400 with small bolt pattern |
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|
241101
2
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|
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| 1965-91
TH350,400 with wide bolt pattern |
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241200
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| 1965-91
TH350,400
with dual bolt pattern (168-tooth flywheel) |
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240900
2409012
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241000
241001 2
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241002
2
241022
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1 Special high stall unit, great for light
vehicles
2 With heavy-duty front anti-ballooning plate for nitrous applications
3 For Buick, Pontiac, Oldsmobile with small bolt circle and mounting
lugs
4 Low stall configuration
Turbo Hydramatic 400 Valve
Bodies
The transmission valve body is the brain of the transmission. Often it is called the control valve. Valve bodies, like automatic transmissions themselves, have been changed and updated through
the years. We select and use only the valve bodies that will provide you with the best performance
and service. All TCI® valve bodies are 100% quality checked for proper function and, where applicable,
proper operating pressures on a dedicated valve body test machine.
We offer three types of modified valve bodies for your Turbo 400:
StreetFighter® Series - Manual/Automatic
Our manual/automatic valve body is designed for the street and strip performance car owner. It is the same valve body used in our StreetFighter® transmission series.
Full Manual Series
Our competition valve body for maximum performance and quick elapsed times in a racing application. By controlling the valve body only through manual means we can produce quicker shift timing and are
able to run higher line pressures than possible with an automatic shift transmission. Higher line pressure
makes it harder for clutches to slip under high loads. Remember, with a full manual you will have to make
every shift, for these units do not shift on their own. A great choice for bracket cars, monster trucks, and
virtually any off-road competition vehicle where a Trans-Brake is either not legal or not desired.
Trans-Brake Series
Our Trans-Brake Series allows you to achieve maximum torque converter stall and provides for quicker and more consistent reaction times and 60 foot times. This is due to the Trans-Brake action which prevents an
engine's torque load from being transmitted through the drive train prior to the launch. The Trans-Brake acts
in much the same manner as a manual clutch. Once the Trans-Brake is engaged, the vehicle can neither roll
forward nor backward and as you press on the accelerator the engine can rpm as high as the torque converter
stall. Once the Trans-Brake is released, the power is transmitted immediately to the rear tires in much the same
manner as a manual clutch but with the parts saving advantage of the torque converter's shock absorbing action.
| Application |
StreetFighter®
Series |
Full
Manual Series |
Trans-Brake Series
|
| GM
TH400, 1965 & later |
222400
|
221100
1
|
221500
1
|
|
1 Reverse
shift pattern
| TCI® Full Manual Valve Body With Engine Braking For Turbo 400 |
 |
Making the right shift at the right time is critical to getting the most performance from your transmission. The new TCI® TH400 Full Manual Shift Valve Body with Low Gear Engine Braking is the best way to deliver quick shift response times and clean neutral shifting. Best of all, the full engine braking in low gear is perfect for rock crawling and 4x4 applications where utilizing the engine’s compression drag to help traverse the most extreme terrains is a useful feature.
The TCI® TH400 Full Manual Valve Body with Low Gear Engine Braking is the perfect set-up not only for heavy off road usage, but is great for hot street/strip cars where a forward shift pattern valve body ensures reliable transmission gear selection. As with all TCI® valve bodies, installation is a simple bolt-in procedure for any GM TH400 transmission with all necessary parts included and performance is guaranteed due to the rigorous TCI® quality control standards.
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| Application |
Full
Manual Valve Body With Engine Braking |
| GM
TH400, 1965 & later |
221200
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Replacement Trans Brake Solenoid For Turbo 400
TCI®’s replacement trans brake solenoid features a precision-ground steel shaft with bronze bushing, a shaft-pinned nut for secure placement and unique lip seal to prevent fluid leakage while minimizing
mechanical drag. The conical-face design handles higher forces than standard flat-faced solenoids with
its 0.250” stroke. The high-efficiency, precision wound coil maximizes the force delivered by the solenoid,
and the two-wire set-up ensures a good quality ground. Fits TCI® Trans Brake Valve Body #321500.
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Description
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Part No.
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| Replacement solenoid for TH400 trans-brake valve body #221500 |
221300 |
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Trans-Brake Release Valves
Precision-manufactured direct replacement for TCI® trans brake valve bodies.
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Description
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Part No.
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| Replacement
release valve & spring for #221500 |
221400 |
| Composite
Metal Matrix release valve for #221500 |
221409 |
| Pressure
Regulator Spring, high pressure spring for TH400 full manual
and Trans-Brake applications |
224300 |
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Heavy-Duty Turbo 400 Flywheels and Flexplates
TCI® flywheels are .035" thicker than stock and the starter ring is welded to both sides of the flywheel for additional strength.
Constructed from a high tensile strength material these flywheels resist elongation and
cracking. All 168 tooth flywheels are sized for stock 3/8" mounting bolts and can be easily drilled for 7/16" diameter high performance torque converter applications. SFI 29.1 approved.
1 Only for one piece rear seal engines
2 Only for Gen. V & Gen VI 454 HO & 502 HO with steel forged crankshafts
3 Only for Gen. V 454 with cast iron crankshafts
Chevrolet Flywheel Shims
These shims are an easy way to achieve optimum spacing when installing a new flywheel on Chevrolet
crankshafts. These 0.030" shims manufactured from high quality steel, are a must when additional clearance
is required between the starter and flywheel ring gear. Works on both automatic and standard shift flywheels
with standard Chevrolet crankshaft bolt flange and flywheel.
| Description |
Part No.
|
| Chevrolet Flywheel Shims
|
399100
|
|
Aluminum Drums
Manufactured from 7075-T6 aluminum billet
because of the outstanding strength properties of the material. Reduces
weight from the transmission's rotating mass without compromising drum integrity. All
drums are designed to hold up to five clutches and are hard-coat
anodized for improved wear characteristics. Not recommended for street
use.
| Description |
OEM Drum Weight (lbs.)
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TCI Drum Weight (lbs.)
|
Weight
Savings
(lbs.)
|
Part Number
|
| GM
TH400 Forward (Front) |
7.25 |
2.84 |
4.41 |
223800
|
| GM
TH400 Direct |
8.06 |
3.48 |
4.58 |
223900
|
|
Front
Pumps
Restore proper line pressure and performance during your next rebuild with a TCI® fully remanufactured front pump. Each TCI® pump assembly includes a reground pump cover, remachined pump pocket fitted with oversized gears coated with dry-film lubricant, new torque converter hub & stator tube bushings, and a new front seal new pump gasket.
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Application
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Part No.
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| NEW!
GM TH400 1965-up |
213400 |
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Low Gear Planetary
With additional gear reduction in first and second gear, our Turbo 400 low gear sets work great in all applications requiring additional gear for better take-off. From heavy drag cars to off-road 4x4s and tow trucks, a TCI® low gear planetary can improve low end torque and acceleration without adversely affecting the final drive ratio.
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Application
|
Part No.
|
|
NEW! GM TH400
(2.10 1st, 1.40 2nd)
|
221000
|
|
GM TH400 (2.75 1st, 1.57 2nd) |
227500 |
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TH400 34 Element Sprags And Assemblies
| Description
|
Part No.
|
| TH400
(1964-1972) special intermediate sprag, this 34-element sprag
replaces the stock 16-element, increasing torque capacity 110% |
227900 |
| TH400
(all years) high gear drum and 34-element sprag assembly |
227800 |
|
TH400 Forged Steel
Clutch Hub
TCI®'s new Forged Steel Clutch Hub is CNC machined
from a 4140 steel forging. The all-new
construction is much stronger than the cast OE unit and will resist
fracturing, clutch tooth wear and
spline failures. Designed for 500 plus horsepower TH400/4L80E transmission
applications, the TCI®'s Forged Steel Clutch Hub is the perfect
remedy to avoid clutch hub
failure.
|
Application
|
Part No.
|
|
TH400/4L80E Steel Forward Clutch Hub |
228300 |
|
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TCI® offers only the finest in friction materials for your Turbo Hydramatic! Our High Performance Frictions are ideal for most street and strip applications, and our Alto Red Eagle® clutch plates are available for those who demand ultimate performance.