Stall Converter Vs 2 Step

TCI Torque Converter 2800 stall. For instance if you have a car that has a 2500 RPM stall converter and then you hold both gas and brake at the same time like you were going to power brake then general RPM that the tires will break loose at is going to be 2500 RPM.

Passenger Car Torque Converters Sachs

4- Order your converter after you know all of the engine and driveline specs that will affect the stall speed design.

Stall converter vs 2 step. This one is relatively straightforward the lower numerical-value gears such as a 273 or 308 gear the higher the converter will stall because its taking more force to move the vehicle. 2 Step Launch Control vs High RPM Stall Converters. Have a playback tach and when you launch the car takes off and the converter flashes this point is called the flash stall.

For instance a heavy car with numerically-low highway gears is more resistant to forward motion than a lighter car with numerically-higher gears. This was advertised as a 2500 stall from the previous owner and seemed to do OK with the moderate cam that was in the vehicle. There is no magic that takes place in the converter at the stall speed its simply the point at which your engine stalls.

This converter is a logical step up for individuals wanting something a little more aggressive than the traditional Yank 3000 but dont want to go to a full race converter. I am against revving one up and loading it on the convertor. Two common ways to measure stall speed are.

According to Hughes Performance torque converter stall speed is the maximum amount of engine rpm that can be achieved in an automatic transmission-equipped vehicle while the transmission is in a forward operating range without generating any driveshaft motion. The more torque the engine makes. The Basics Of Stall Speeds.

As far as how close they should be would probably be up to your car and how it launches. If your engine makes more torque your stall. Stall speed is not something you would ask anyone its something you would find out one of these ways.

This chart is a guideline. Smooth Idle Stock Compression. Post by Ed-vancedEngines Sat May 19 2007 116 pm.

But now i may the step up the cam a bit and am trying to know the specs on the converter. Like my ol buddy Steve Griner used to say A Powerglide is a lousy transmission with only a 176 first gear ratio until you couple it to an 8 6000 RPM stall converter then look out That guy knows more about the transmission game than most everybody else I think. We hope this video will dispel many myths and confusion surrounding stall s.

4500 stall converter 514 gears transbrake. Although first gear ratio rear end ratio and weight will determine where the stall will lay. Stalling is when the torque converter locks up during a load.

What is torque converter stall speed. If you have any questions feel free to comment down below Ill try my best to answer them. If you creep up on the stall speed slowly the engine will stall at a lower rpm than if you flash the converter by rapidly raising the rpm from idle.

The torque converter is a hydraulic coupling which takes the engines mechanical force and converts it into hydraulic pressure. My suggestion is to try several different rpms and start with maybe 300 rpm and. What would be a good launch rpm for a 2200lb car.

A torque converters job is to take the horsepower an engine produces and multiply that to make the car accelerate. Discussion Starter 1 4 mo ago. 3- Determine the type of transmission to be used.

Street Rodder Stock to 260 Stock to 323. In this weeks episode were discussing stall speed and what that means exactly. Converter flash is relative to the converter then allllll the other factors especially horsepower.

2- Determine the converter stall speed requirements based on the powerband of your camshaft. Its impeller turns at engine speed. My combo 408 small block guessing 500 HP 125 x 28 ET Streets 3700 with me 113s with mid 15 60s on open headers I run a 9 converter that flashes to 5200 footbraking on a 2 step between 3000 and 3800.

Cam works from 4500 to 7200. 1 Post by RX3 Sat Jun 23 2012 616 pm. The manufacturers rating of the stall speed is based on a certain amount of torque at a certain rpm.

Your stall speed MAY vary in your specific application. Havent tried a full 5500rpm stall yet. A 153 ChevyII motor might stall a converter at 2000 rpm while a 500 caddy might stall the same converter at 3000 rpm.

Also when you shift from 1-2 and the rpms drop this is called the stall recovery. Hello all I am trying to identify a torque converter i had in my GM 700r4. Launch on two step at 3000 rpm so still flashing the converter somebut shock loading the rear suspension so far best 60ft is 155 still have some suspension adjustemens to dotry.

With a true 3500rpm torque converter stall speed a 3911 gear will be very effective but the same exact converter with a 4561 gear wont stall up as far because of the torque multiplication of the rear gears moves the car easier unless you are using a Trans-Brake also if you have a heavy car the stall speed will be effected. Saturday Night Special Stock. This means youll get a 3500 stall converter with high efficiency but with a much harder hit to the tires at the starting line.

We will try to keep this short because high stall torque converters is a pretty involved subject. It would be nice to benefit from a lower rpm stall converter so I can actually drive the car around the street without having to worry too much about heat. Every torque converter is a stall converter they just stall at different speeds.

I tried the two step at 4000 but it just blew the tires thats where the rear suspension adjustements should help.

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