[Scorcher000]

Very few people know how much power the 4F27E can handle. Most say ditch it and 5spd swap. You can if you want but that is a lot of work that I may be doing soon.

So, the "27" in 4F27E stands for the torque rating of 270tq. The HP isn't what you need to worry about with the tranny.

You would need to upgrade your Torque Converter from TCS in B.C. (They make the TC for Lentech and FordRacing but TCS only charges $6xx and Lentech is $9XX. and increases strength by 35% = 365tq )

Now for quick gear changes you would need to upgrade the valvebody to push the fluids quicker and stronger. You can get it from Lentech but I am trying to source out same quality for lower pricing.

The internals are the same as a stock unit, they don't put in a custom Limited Slip Differential anymore and the gears are not hardened either. I also think they do not install a 23spline Forward drum/shaft anymore either, stock 16spline.

So really you could but a FSwerks Stg2 kit on and have no worries for the most part. Some call it an "Autorocket"

I'm currently building my Focus Duratec up with a T04E turbo and custom setup with built internals. I'm going to get the TCS torque converter and run it to see how that handles it. I am also purchasing a complete 5spd sway for the car too just in case it can't handle the addition power.

Do research of your own too, that's how I figured things out so far...