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TH350 Level 1 - To 400 HP

  • Image 1
Price:
$1,750.00
SKU:
TH350
Weight:
250.00 LBS
Shipping:
Calculated at checkout


Product Description

TH350 Starting at $1,750- call for quote

Horse Power: 400
(Up to 400 ft-lbs Torque)
Converter: 12” High Performance Furnace Brazed
Stall: 1600-2200

Master Overhaul Kit with High Energy Frictions and All New Steel Plates

High Flow Filter

Adjustable Modulator

Transgo Shift Kit

Updated High Performance Boost Valve

New Front Band

New Torrington Bearings

Bushing Kit

Thrust Washer Kit

New Low-Reverse Spring & Roller

Hardened Intermediate Race

Custom Machined 5-Clutch Direct Drum Piston

5-Clutch High Capacity Direct Drum

High Volume Pump Assembly with New Gears

New Chrome Transmission Pan with Drain Plug

New Speedometer Drive Gear

New Speedometer Driven Gear

20,000 GVW Hayden Transmission Cooler

 

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 aluminium-case Powerglide transmissions. So, although it carries the Turbo Hydra-matic name, the Hydra-matic Division of General Motors had little, if anything, to do with its design. The 350 and its 250, 250c, 350c and 375b derivatives have been manufactured by Buick in its Flint, Michigan, plant and by Chevrolet in Toledo and Parma, Ohio, and Windsor, Ontario.

Some would suggest that the THM350 (or Turbo 350 as called by drag racers and car enthusiasts) was based on the earlier Buick Super Turbine 300 — some components interchange between the two. Both Chevrolet and Buick divisions produced the THM350.

The THM350 was also regarded as a 'three speed Powerglide' and during its development, was generally called this. Although it uses the same torque converter as the THM400 (sans variable pitch stator) it has a familial resemblance to the 1962-'73 Aluminum Powerglide from Chevrolet and was largely derived from the Chevrolet design. One important difference in the THM350 compared to the THM400 is there is no fixed center support midway through the geartrain, this important difference in layout permitted THM350 to be adapted to the Corvair where the drive and driven ends are the same. This feature was not exploited but Corvair may have eventually used the THM350 had it remained in production, and Chevrolet was experimenting with mid-engine Corvette designs that might also have used this advantage had they ultimately reached production. Air cooled versions (with a baffle on the torque converter and air intakes cast into the bellhousing) of the THM350 appeared mid 1972 in Chevrolet Vega and Nova 6.

 

All package include;

 

 

Torque converter

 

 

Dipstick tube  seal and indicator

 

 

Bell housing hardware

 

 

Torque converter bolts

 

 

Dust covers

 

 

Neutral safety switch

 

 

Trans selector lever

 

 

2wd trans includes yoke

 

 

Warranty

 

 

Trans electronics if purchased with engine package

 

 

 

 


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