How hard is it to rebuild a Turbo 400 transmission?
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 is a rebuilt Turbo 400?
The “complete kits” are $300-$700 depending on the quality and components. Figure most “consumer” shops are going to put about $300-$400 materials, and about $200-$400 labor. “Performance” shops will likely add about $200-$500 on top of that, depending on level of work done.
How many speeds does a Turbo 400 have?
three-speed
The GM TH400 transmission is a three-speed automatic transmission that was longitudinally positioned behind the engine. This placement is aimed at providing the best power ratio and durability for rear-wheel drive.
Is the Turbo 400 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.
How much does a TH400 transmission cost?
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 much HP can a TH400 handle?
About 400-450 HP/TQ is the limit on the stock TH400. With ONE almost free modification and some minor valve body calibration changes, 800 HP on an otherwise stock TH400 is not a problem if it’s assembled well (good endplay, etc), and the 34 element sprag is a wise addition above 450 HP or any drag usage.
Which is better TH400 or 4L80E?
4L80E vs. Though 4L80E race transmissions are quite similar to TH400 in terms of strength and parts used, however, there are differences, such as the added overdrive gear, advanced electronic controls, and a lock-up torque converter. 4L80E transmissions have nearly 25% overdrive and are 4 inches longer than the TH400.
What’s better Powerglide or TH400?
In these types of applications, a Powerglide is the ultimate in consistency as well. On the other hand, for cars that will see any street time at all, a TH400 is a better option. In race cars, compared to a Powerglide a TH400 is better suited for cars with large tires and taller rearend gearing.