Stall Torque Converter
3000rpm stall converter for street?
I bought a 350 chev. with a 400 trany and it has a 3000 stall torque converter. Will this work ok for regular street use or should i put a stock converter in before i install it. Thanks Larry
Oh my god, has NOBODY on here had a car with a higher stall converter???
I have a rated 2800 stall speed 11″ converter that flashs to 3200 rpm in my camaro
The car will drive down the dirt road at 8 mph
The stall speed = the highest RPM the engine will rev to with tranmission in gear.
That is hard to test on most cars, really need a trabs brake to see full stall
So theres 2 more terms foot brake stall and flash stall.
Foot brake stall = max rpm before tire spin when brakes are locked and throttle is pushed
Most cars /converters will see 400-1000 rpm less foor brake than rated stall speed
My 2800 stall foot brakes at 2300
Flash stall = rpm engine jumps to the 1st split second when you floor throttle. My 2800 stall flashes to 3200
I use my camaro as a daily driver.
Only prob you get is before the stall speed the converter does slip more.
Most non lockup transmissions has a 8 to 10 % converter slip rate. A higher stall converter will slip 20-30% untill you reach the stall speed
The car’s weight des play a role here. Most converters are rated with 300 ft lbs torque and 3000 lbs car.
More torque you drive into it, the higher the stall speed, less torque less stall
More weight the higher the stall, less weight, less stall.
Cam size, rear gear ratio and converter stall needs to match up with each other.
Put a 3,000 stall converter on a bone stock engine with a 2.73 rear and you have quite a prob. You will not get to the stall speed until yours running 80+ on the highway… So you will have lots of slip, loss of movment, alot of heat in the transmission, poor fuel mileage, etc
Another thing.. The OD of the converter plays a big role. Smaller OD will slip less
My dad’s 3500 stall 10″ converter acts just like a stock stall converter, cant even tell its diff untill you half throttle or more
My 11″ 2800 stall does have a noticeable slip to it when moving around in a parking lot at 5 mph or less
Crown Vic, 10″ 3600 rpm stall torque converter, cold drive
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