Question: Is A Th350 The Same As A Turbo 350?

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..

How strong is a th350?

The Stage 1 TH350 is rated up to 450 hp. Those seeking something a little stronger can check out the Stage 2 version (PN PA35102) that holds 550 hp and retails for $1,500 with a real world street price of $1,175 from most vendors. Both transmissions come with a standard one-year warranty.

Are all Turbo 350 transmissions the same?

Externally, all the TH350 transmissions look the same; however, internally there are some differences. Depending on the engine size of the car the transmission was removed from, it can have anywhere from 10 to 18 friction discs and 10 to 18 steel clutch plates inside.

How do I know if I have a Turbo 350?

Measure the transmission case with a tape measure. The Turbo 350 case measures 21 3/4-inches long from the front of the bellhousing to the rear of the case. Do not include the tailshaft housing which bolts to the rear of the case. The Turbo 400 measures 24 3/8-inches long from the belllhousing to the rear of the case.

What vehicles have a Turbo 350 transmission?

The Turbo 350 automatic found its way into Chevrolet Camaros, Pontiac Firebirds and Chewy and GMC trucks. Although the transmission most notably matched GM vehicles with small-block V-8s, it also matched the block-block 396 V-8s, V-6s and the small Iron Duke in-line four-cylinder models.

Will a 200r4 bolt up to a 350?

All you would need to get the carburetor to work on the 350 engine would be a new intake manifold. You really couldn’t get the carburetor to work on top of the TBI manifold with an adapter because the TBI manifold only has 2 separate holer while the carb manifold is designed for a carb. Don’t forget!

What year is the best Chevy 350 engine?

L31 (2002) From a purely technical standpoint, the most recent version of the Chevy 350 would naturally be the best of the bunch. Marketed as the “Vortec 5700” engine, but known internally by the moniker of L31, this engine was used primarily in GM vans and trucks until 2002.

Does Turbo 400 have overdrive?

They are the strongest GM overdrive transmission ever produced, and easily accept upgrades to make them a great choice for extreme power applications. … A Turbo 400 has no lock up feaature, and although the lock up feature in the 4L85 is controlled by the transmission, it is contained in the converter.

What makes a th350 shift?

The biggest factor for shifting is where the engine produces it’s peark HP. for example: 83 S10 drag truck we had, 350 SBC, with Edelcbrock Performer cam peaks HP at 5500 rpms pushing a TH350 witha 2800 stall converter, driving 3.73 rear.

How much power can a 350 Turbo handle?

600 lb/ftThe TH350 can easily handle 600 lb/ft when properly built. It doesn’t take anything super fancy. I have a couple at 600+ using a stock intermediate roller clutch setup. The int roller clutch setup is the common failure point of a TH350 when making HP, getting aggressive shifts, and burnouts.

Does a Turbo 350 have overdrive?

The 700R4 has an overdrive while the TH350 does not.

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 is a Turbo 350 transmission?

If you’re looking for high-quality and affordable chevy turbo 350 transmission – you’ll find the best chevy turbo 350 transmission at great prices on Joom – from 8 to 17 USD.

Why is it called a Turbo 350?

Many auto mechanics looked at the Turbo 350 as a three-speed Powerglide, which makes sense because it was derived from the Powerglide. Even during development, this was its alternate name. The torque converter that it has carried over to the TH400, but largely resembles the original 1962 Powerglide from Chevrolet.

What is the best transmission for a 350 Chevy engine?

TH350. Best transmission choice, hands down. The Turbo Hydra-matic 350 was first used in 1969 model cars. It was developed jointly by Buick and Chevrolet to replace the two-speed Super Turbine 300 and aluminum case Powerglide transmissions.

Will a th350 shift without vacuum?

No. You will need a vacuum source or it will not want to shift into higher gears. Only a full manual valve body allows for the lack of vacuum line. Find a vacuum port and hook it up…

Will a th350 hold up to a big block?

For most street applications, you can’t beat the brute-strength reliability of the th400 (or the 4L80E) behind a big block. But, there is no reason that you can’t use a th350 behind one, if it is properly built. Even a near stock one will last quite a while if you keep your foot out of it.

How much does it cost to rebuild a Turbo 350 transmission?

A good TH350 is going to cost more than $200. I spend more than $200 on parts to rebuild one (stock) and I get good pricing on the parts since I’m a transmission shop. This doesn’t upgrades, labor, shop overhead, etc. The days of having an automatic transmission rebuilt properly for $200-400 are done.