How much HP can a stock Turbo 400 handle?
How much HP can a stock Turbo 400 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.
How much does it cost to rebuild a 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 hard is it to rebuild a Turbo 400?
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. Even so, the TH400 doesn’t need a lot of help or special aftermarket parts to be a reliable and durable transmission.
How good is a Turbo 400 transmission?
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.
Which is better Turbo 350 or Turbo 400?
They are completely different transmissions. The Turbo 400 is larger, longer, and heavier than the Turbo 350 and was designed to live behind higher-torque applications such as big-blocks. If you’re worried about the ultimate strength of the transmission, consult one of the transmission specialists for upgrades.
How much does it cost for a transmission rebuild kit?
On average, transmission rebuild kits will range anywhere from $50 to $300, with high quality kits from popular brands or kits for luxury cars costing more. A kit definitely beats the cost of a new transmission, and if you have the cahones to do it yourself, you can save a LOT of money.
How do u rebuild a transmission?
The transmission rebuild process typically includes:
- Removing the transmission from your vehicle and dismantling it.
- Chemically cleaning the transmission by running it through a parts washer.
- Any wonky transmission parts, plus all seals and gaskets, are replaced with new ones.
- Any required electrical repairs are performed.
How do I know if my Turbo is 350 or 400?
The TH-350 uses a square pan, with one corner cut off. The TH-400 uses an oblong-shaped pan with one side having a “hump” in the pan and one side is curved while the other two sides are straight. The TH-400 pan also has two circular indentations on the humped side of the pan.
How many horsepower does a Turbo 400 have?
The gear set design in the Turbo 400, even in OEM form, is probably the strongest gear set design ever developed by the “big three” auto manufacturers. Even the factory gear sets can handle upwards of 2,000 horsepower. – Pete Nichols
How many HP does a TH400 transmission have?
TH400’s are what we cut our teeth on. We have extensive experience building the TH400 for all types of applications. We do stock rebuilds all the way up to 3000+ HP Pro-Mods. Our “stock” rebuild is strong enough for over 600 HP repeatedly yet functions like a stock transmission.
Is there a rebuild kit for the GM TH400?
TH400 Rebuild Kit. The Monster-In-A-Box transmission rebuild kit for the TH400 is available for GM vehicles. This kit has available all the parts needed to make your transmission a true Monster. It comes as a performance Mega package and also has a SS variant for those needing a higher horsepower and torque rating.
How much horsepower does an ATI Turbo 400 have?
ATI now has an answer for this market and offers three variations of a 2-speed Turbo 400! OEM cased units are rated to 1800 HP and not intended for heavy weight cars. ATI SuperCase recommended over 2000 HP!