Just got my car back from installing the Pro-Torque TC. Took it for a sopin. My mechanic is a drag race driver and tried the car out too. This is a write up of our combined first impression.

Technically: the Stall Speed has been raised to about 3200rpm and the Torque Multiplication has been upped to 2.5x (from 1.7x if I remember correctly). The internals are bulletproof; the brazed fins must be as close to unbreakable as possible. The anti-balooning cover looks and feels solid.

Impressions: I find it kind of a strange feeling... Somehow the cars feels slower below 3000rpm. Mechanic says that's an easy to get impression but completely false. It's because once the car hits 3000rpm, it feels like shot out of a slingshot.
Rev it to 3Krpm with the foor on the brake. Let go. Weird! The car "crawls" like 5 feet, then jumps ahead with more power then ever. This will improve any launch hugely. I clocked 60ft times improved by 0.4-0.5 sec with my (calibrated) Gtech.
Daily driving is improved too. Although the car feels slower below 3000rpms, the torque available at the lower end is much higher than before. Getting going is way smoother., Driving up the parking ramp is all of a sudden a lot "easier". Where before my tires would spin, the tires now hook and propell the car up in an almost scary way (maybe that's because there was a car coming down ).
For 600$, this is one great mod for a 5AT. Pro-Torque offers a core exchange for 400$. Note that the core is HEAVY!

Thanks for reading

Danny

 

Nice I heard it was good from another member in the forum. I was going to get it but then was thinking on going manual well all my thoughts on the tranny are put to a stop due to the fact that I just got an awesome deal on a Fcon full set up. Well good to hear now enjoy it and go to the track to see your times.

 

BTW: this is the same as the SGP TC

 

Good read....thanks.

I thought it interesting that Torque Multiplication was increased.....did they tell you how this was done....changing the vanes maybe?

 

nice write

 

Any difference in the way it feels when it shifts? How does full auto mode run compared to before?

 

nice write

 

Because of its blade design, the stator shown on the left provides a harder launch (more torque multiplication) than the stator on the right.

 

I don't think ir changes anything to the way it shifts, that would be more of a job for the ValveBody...

Danny

 

Fin angle also plays a big role in a torque converter’s stall speed. The two different fin angles (shown) demonstrate part of what’s inside a converter to change stall speed. Note: these are not the stators.

 

New impressions: Have my street tires mounted again. It's definitely easier to chirp the tires off the line.

 

What make you think that?

Thx
Ceasr

 

Look a bit closer at the SGP offering:

 

Got it! THX!!!

Do you think it is better that the EDGE TC?

Thx!
Cesar

 

Wouldn't know, haven't tried any car with that one. But there's another company apart from SGP that uses Pro-Torque; so I guessed PT must be ok... And can't complain !

Danny

 

Thx bro!

I will call PT today for more info.

Cesar
USA FL
5AT (APS TT)

 

the torque mutiplication happens by raising the stall speed, which is a direct effect of vain angles and converter size. the vains work to compress the hydralic fluid (trans fluid) to act as a solid. the higher the stall speed, the more torque and hp you will have at that point. higher stall converters allow slippage at the areas below the converter lock up though, and create more heat. trans cooler should always be used with higher stall converters, heat KILLS autos.

 

Check the pictures above. Together with this excellent explication, they should give you a very good ideaa what is done to make the changes happen.

Danny