Full Answer
How to find out stall speed of TH350 converter?
The '79 has the original matching numbers TH350. Any ideas on how to find info on the "stock" converter? Stock stall was about 1600 - 1800 rpm. Stall speed is variable though based on torque input. If you want to know your actual stall speed just go put your car in gear, step on the brakes (hard), and push the throttle to the floor.
What is the stall speed of a stock engine?
The stall speed isn't static, it varies with how much power you put to it, and the weight/brakes holding it back. Take the stock 78 180 hp brute and you might get say, 1250 on the brakes. A BB might get 1700 out of the same converter and car. Both engines at the same vacuum.
What is the construction and size of a TH350 transmission?
Construction and Size. The TH350 was also known for its quite short length, with an overall length of 21.75”. That also converts into a lighter transmission that carries a weight of 120 pounds. The TH350 takes about 4 quarts in the pan, and then requires additional based on the torque converter being used.
How many quarts of oil does a TH350 take?
The TH350 takes about 4 quarts in the pan, and then requires additional based on the torque converter being used. When combined with a 9.5” converter, the overall requirement is around 10 quarts.
What is the stall speed of a stock Turbo 350 torque converter?
around 1,800-2,000 rpmStock torque converters generally have a stall speed around 1,800-2,000 rpm.
What is standard stall speed on a torque converter?
In general, the desired stall speed should be 500-700 RPM below the engine RPM at peak torque. This ensures a margin for application for the torque converter to take off.
How do I know what stall converter I need?
12:1613:27How to Choose the Correct Torque Converter - YouTubeYouTubeStart of suggested clipEnd of suggested clipSo in summary the general rules of thumb for selecting a torque converter for a street applicationMoreSo in summary the general rules of thumb for selecting a torque converter for a street application are select the converter that stalls roughly 500 rpm higher than the starting RPM of the camshaft.
What is the stall on an OEM torque converter?
Most stock converters have a stall speed of 1500-2500 RPM, but aftermarket converters can double and occasionally triple that amount.
What happens if stall speed is too low?
If converter stall speed is too low, the car will be lazy leaving the line; if too high, there'll be excessive high-gear slippage—either case adds time to your e.t. Engine builders use car weight and dyno data to aid selection. The converter is also matched to the transmission's gear ratios.
What is a good street stall converter?
For mild performance cars with something like a 350 HP engine, a 2,200 - 2,400 stall is about right. The basic rule of thumb is; if your engine "comes alive" at say, 3,500 RPM, then you want a stall converter with about 3,500 of stall to it.
How do you drive with a stall converter?
2:0811:02Can You Daily Drive High Stall Torque Converter? - YouTubeYouTubeStart of suggested clipEnd of suggested clipIt. It locks up it flashes. At low rpm and basically when you push on the gas you feel almost like aMoreIt. It locks up it flashes. At low rpm and basically when you push on the gas you feel almost like a direct response to the acceleration in the car. High stall torque converter.
Do you need a tune for a stall converter?
It will be fine. More stall than that you'll definately need a tune.
What does a higher stall converter do?
A higher stall torque converter will let your car accelerate better because the car will be taking off at the rpm range where it is making the most power.
What is indicated when the stall speed is too high?
If the stall speed is too high, it indicates slippage in either the direct/reverse clutch or in the 1st/reverse clutch.
What does a low stall torque converter do?
With a responsive turbo (especially the newer VGT models), a low-stall converter will deliver more power to the rear wheels and create less heat without lockup.
What stall converter do I need for towing?
If your motor generates more power in the lower RPM range, you'll want to select a converter that stalls at the beginning of that RPM range. If you use your vehicle for towing, make sure your torque is around 1800 RPMs.
How much does a TH350 weigh?
The TH350 was also known for its quite short length, with an overall length of 21.75”. That also converts into a lighter transmission that carries a weight of 120 pounds. The TH350 takes about 4 quarts in the pan, and then requires additional based on the torque converter being used.
When was the TH350 made?
The TH350 was introduced in 1969 as a replacement to the Powerglide 2 speed automatic transmission. While the phase-in began in 1969, it was not complete until the 1973 when the Powerglide fully phased out. This transmission was in production for about 15 years, being fully replaced by the 700R4 in 1984. In addition, a TH350-C added the lockup ...
How many quarts is a Turbo 350?
When combined with a 9.5” converter, the overall requirement is around 10 quarts. The Turbo 350 transmission, commonly known as the TH350, was a 3 speed automatic transmission that began phasing out the GM Powerglide in 1969. The TH350 then lasted 15 years before eventually being replaced by the 700R4.
What cars use a TH350 transmission?
During its time of usage, the TH350 was used in virtually all rear wheel drive vehicles from General Motors, including the Corvette, Chevelle, and Nova. This transmission was very popular due to its strength and versatility, as is still used in many vintage cars to this day.
What is a Turbo 350?
The Turbo 350, known by the name TH350, was used in nearly all GM rear wheel drive car and truck applications during its tenure. To name a few, this transmission was used in the Caprice, Chevelle, ...
When did the Turbo 350 transmission come out?
As an Amazon Associate I earn from qualifying purchases. The Turbo 350 transmission was introduced beginning in 1969 . This transmission was a 3 speed automatic transmission developed jointly by Chevrolet and Buick. Although they were both under the General Motors umbrella, at the time they acted as completely separate entities, ...
Is the TH350 still used?
While the TH350 is no longer in production, the transmission is still used for many classic car builds. The TH350 was popular for a variety of reasons. The simple fact that this transmission had an extra gear compared to its predecessor is an advantage from the start.
