Best answer: How many gears does a th350 transmission have?

What gears are in a TH350?

The Turbo 350 featured gear ratios of 2.52-to-1 for first gear, 1.52-to-1 for second and 1.00-to-1 for third. In contrast, the Powerglide had gear ratios of either 1.82-to-1 for first and 1.00-to-1 for second or 1.76-to-1 for first and 1.00-to-1 for second.

Is a TH350 a 4 speed?

TH350 Transmissions 101

The TH350 transmission is a three-speed automatic transmission launched by General Motors in vehicles from 1968. It can also be said this model was created as a collaboration between Chevrolet and Buick, where the transmission was made to be compact, strong, and versatile.

Is a Turbo 350 and a TH350 the same?

The TH350 transmission was introduced in the 1969 model year as the successor to the GM Powerglide automatic transmission. Jointly developed by Chevy and Buick, it is also referred to as the CBC (Chevrolet-Buick Combined) 350. The Turbo 350 quickly become known for its strength, versatility and compactness.

What’s the difference between Turbo 350 and 400?

The Turbo 350 (top) and the Turbo 400 (bottom) are the quintessential GM automatic transmissions. Both are three-speeds, but the Turbo 400 is physically larger and designed more for the torque capacity of big-block engines.

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Does TH350 have overdrive?

Overdrive. The 700R4 has an overdrive while the TH350 does not. Overdrives allow for high-speed cruising, which saves fuel while lowering torque.

Are all TH350 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 much HP will a TH350 handle?

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.

Can you convert a 3 speed transmission to a 4 speed?

You will need 4-speed driveshafts, but they won’t have the same pattern at the differential or transfer case. They can either be extended, or you can get the parts from a later transfer case. There was an early 4-speed shift linkage, and a later 4-speed shift linkage.

What does a shift kit do for a TH350?

At least half a dozen shift kits are on the market for the TH350 transmission. They all share similar components and are designed to improve shift performance by increasing line pressure, volume of fluid to the clutch packs, and timing of the shifts for less overlap and shorter/ firmer shifts.

How many clutches does a TH350 have?

The revised design allows the installation of one additional clutch and steel plate with four clutch models, increasing the clutch pack count from four to five plates.

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Are TH350 transmission any good?

A turbo 350 transmission is the perfect transmission for your entry-level sports car, light truck, or rally race. High performance and tough parts give this transmission the ability to handle a variety of use cases.