The TH400 is also a very simple unit, and is relatively easy to overhaul. It does not require a lot of special tools, or special procedures. Most hobbyists have great success building their own units at home.
How much does it cost to build a TH400?
Stage 3 TH400 – 1000 HP/TQ capable
| Price | Build # |
|---|---|
| $3700 | 400-3G1 |
| $4300 | 400-3G15 |
| Add $500 | 400-3-36A |
| Add $500 | 400-3FRU |
Is the TH400 a good transmission?
The TH400 is an automatic shift, three-speed, longitudinally positioned transmission. It is widely regarded to be a supremely durable and legendary transmission.
What should I look for in a transmission rebuild kit?
An automatic transmission rebuild kit contains all the parts that, by design are going to eventually wear out, and consist mainly of new clutches, bands, seals, gaskets, bushings, bearings and internal transmission sealing rings along with a new transmission filter.
What is a 34 element Sprag?
The 34 element sprag has over twice the holding power of the stock sprag. … The TH400 34 element PATC sprag replaces the stock 16 element unit, increasing the torque capacity by 110%. Standard in all PATC TH400 race transmissions. A mandatory addition to any TH400 used in racing or heavy duty applications. (for both).
How fast can a TH400 go?
Registered. you can go much faster than 55 depending on gear ration and tire size. The th400 is not an overdrive, but the 6.2L can spin pretty fast. The tranny should have nothing to do with it.
How much is a Turbo 400 worth?
Compare with similar items
| This item Gm Turbo 400 Transmission TH400 Stage 2 Race Up to 650 HP | GM Turbo 400 Transmission Stage 3 Race with Trans Brake 800HP | |
|---|---|---|
| Add to Cart | Add to Cart | |
| Customer Rating | (0) | (0) |
| Price | $1,699.00 | $2,399.00 |
| Sold By | Patriot Transmission & Performance | Patriot Transmission & Performance |
How strong is a Turbo 400?
The TH400 has been rated at 450 ft. lbs. of input torque, nonetheless, aftermarket designs that have been modified may go beyond that rating.
Is rebuilding a transmission hard?
Rebuilding a transmission, while not as easy as giving your car an oil change, is definitely something a weekend mechanic might find fun and challenging. … But rebuilding a transmission on your own is hard and there’s a chance you could damage it beyond repair if you don’t know what you’re doing.
How do you break in a rebuilt transmission?
Transmission Break-In Process
- Perform transmission re-adaptation process (re-learn procedure).
- Drive 300-500 miles, starting with low power output and gradually increasing.
- While driving you should be periodically running through the gears, up-shifting and down-shifting.
Is it better to rebuild or buy a new transmission?
Generally, if a repair estimate costs more than a rebuild, then the rebuild is the service to go with. If the cost of a replacement transmission costs less than a repair or rebuild, then the replacement is the best alternative. Most importantly, you should only use the services of transmission professionals.