Table of Contents
What is normal torque converter stall speed?
around 1,800-2,000 rpm
Stock torque converters generally have a stall speed around 1,800-2,000 rpm. Higher stall speeds become necessary when horsepower and torque happen at higher rpm ranges.
How much HP and torque can a stock 4L80E handle?
How much power can the 4L80E handle? A totally stock unit or rebuild will typically live well with up to 450 flywheel HP/TQ.
What size torque converter is in a 4L80E?
GM 310mm HP Series 4l80 Torque Converter. This unit is great for the HD trucks equipped with the 4l80 transmission. It tows well and will work with a mild camshaft and bolt ons. Available in 1600-2400 stall.
What happens if stall converter is too small?
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.
What is the advantage of a high stall torque converter?
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.
How much power will a 4L80E take?
The GM 4L80E Performance Transmission Level 4 is powered with whopping 800 Horse Power. This automatic transmission gear can also generate up to 700 ft. lbs. of torque at a stall level of 2800 to 3400 rpm.
What kind of stall converter do I need?
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.
Are all 4L80E transmissions the same?
4L80E Differences: ’91 -’96: They are all pretty much the same. They were also known to have a crappy connector that passes through the case. Most have had them updated by now, but there are still some that haven’t and might need replacing.
What size stall converter should I use?