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Hope it didn't hurt too much.

Surely u lerned more dan dat when your at school?

The car you also saw was maybe fitted with a transbrake, hold a button down inside the cab and it activates the transbrake solenoid inside the box and locks 1st and reverse gears together, while they are fighting against each other the engine revs rise, thus making boost. when the button is realeased the car will take off in 1st gear with X amount of boost onboard.. puts HUGE strain on driveline components and heats the box up very fast. really only used for drag applications.. expect to pay $2-5000 for a good auto box

What the hell is a "stall converter"?
What he wrote was a "Hi-stall torque converter".

The stall speed of a torque converter is measured by placing the trans in 'D', then placing the left foot VERY firmly on the brake & after making sure that there is nobody in front, planting the right foot on the power pedal & flooring it.

Do this for ONLY AS LONG AS IT TAKES TO GET A MAXIMUM RPM READING from the tachometer that you have convenuently placed in clear view.

This exercise should take no more than about three seconds.
A standard torque converter will give a reading of somewhere around 1200 to 1500 revs for many vehicles.

A Hi-stall torque converter is a modified [or new built] unit that will allow a higher RPM to be reached under test conditions. These higher revs will give a modified engine a chance to develop some grunt before it is held back by the load of the vehicle.

They can also be a bit of a pain for normal driving if the stall speed is a bit high, like, ... above 2,500 rpm, but they launch like a demented third world refugee who just spotted a free hamburger.

can u put a stall converter on a ca18 auto

You can get an auo to launch hard, but you really need a Hi-stall torque converter to get really sharp take offs.

Hi everyone sore a datto ute with auto in it on the weekend it was tough as cherping when put into gear and breaking loose when going through the gears at top speed.It just seemed to be launching harder than a manual would,it has made me think about putting one in mine.Will i get that sort of torque out off a ca18 auto even if i have to get it rebuild for more torque or go a c4