Professor Wizard

757....

NA... mine wasn't better... just more detailed... you put it well with your description too!

Should we get into the difference between locking converter systems - that is another world in and of itself!

dkano

damn!! thanks Professor and 757! I'm all set now, no wonder I visit these forums pretty much everyday!
[sm=thanx.gif]

spyder7724

want to know how much difference there is with the proper converter?
stock converter my 60' all time best 1.994 and e.t. 13.36
TCI custom 3800rpm stall converter first pass without a reflash 60'= 1.842 and e.t. 13.08
that run was made under less than ideal conditions with spare onboard and full tank of fuel. approx. 75 extra lbs. had all things been equal weather and car that pass would have been 1.80 and 12.95
on the dyno(mustang dyno) before being reflashed for the converter my car made about 267hp and 273tq. after some magic tuning by jj@ woodbine performance we laid down 282rwhp and 322tq.
my peak tq is now at 3300rpm vs. 4400rpm previously. this is the torque multiplication effect the prof. reffered to. at 3300 rpm we were able to increase torque by 73ft.lbs.!!!! and my peak was raised by 49ft.lbs due to sctxcal2's ability to adjust converter lock-up %'s. the difference in my car now and from stock is like having a s/c or 100shot of n20. street driving is affected very little due to the l;ockup function. i do have 2 tunes one for race and one thats no so aggressive for street.
anyone with an auto should seriously consider this mod.

sidmanic

I ordered a Kenne Bell SC 8psi a couple of weeks ago (still waiting) and part of the build up is that they build a custom tune based on what you have installed. About the time that I ordered the SC, I also ordered a TCI Street Fighter TC with a 3000 stall. I told them that this will be installed by the time the SC is done. The next day they called and told me that they did not recommend the TC because they felt it would come on too strong. That was the only explanation I could get so for the time being, I held off on the TC (still in the box in my garage). I was thinking that their concern was with the cars drivabilty around town but was wondering if anyone else had any thoughts or suggestions?

1sicpony

the roots style SC makes good low end power consider increasing stall speed. i also want TCI 3000 however no SC is in the near future only N/A mods to this point. CAI/3.73 GEAR/LT HEADERS/X PIPE/STEEDA UD PULLY'S etc.

warstory26

would a TC do a v6 any good?

RodeoFlyer

simple explanation -

a torque converter is to an automatic what a clutch is to a manual

stall speed is the rpm at which the converter "locks", applying full power to the transmission

a torque converter has two opposing hubs that spin and "lock up" or "stall" at a given rpm

at rpm below "stall speed", the converter is slipping, like a clutch that is not fully disengaged

I like the proffessor's thorough explanation, just thought this might be simpler

bl1nk

I cant find a torque converter for our Stangs anywhere... anyone have a link to some place that sells them?

RodeoFlyer

I don't want to spoil your fun, but the reality is you don't need one. unless your car is a track only car, it's not worth the driveability you will lose. There are plenty of mods with much more bang for the buck. If you want to raise your launch rpm, trade your car in for one like mine - where the torque is applied with your left foot lol. Unless youre planning on goin low 11's or faster it's really not worth it. There are plenty of mustangs out there haulin *** with the stock converters.

tattooed83

summitracing sells some with a 3000 rpm stall speed