98boxer

iTrader: (7)

I read on another thread that a high stall converter really adds power to the car on a4, im asking what is the stall number on a stock 98 z28 and what you recommend an aftermarket stall number for an a4 98 z28?

Another question is does the stall add the power at torque or in the middle power band?

Does the whole transmission need to be removed from the car?

Razzak

I've heard the most good things about the TCI SSF 3500. Looking at getting one pretty soon myself. I've also heard the Vig 3200 is about the same, but for some reason everyone loves the SSF.

jimmyblue

iTrader: (11)

They generally cost you rear wheel power in absolute
terms, but they put you in a place where you have way
more power to lose. The biggest benefit is in giving you
a usable beefy midband and staying out of the low end
altogether. A low-mods or even bolt-ons-only (no cam)
probably does not want to go bigger than the SSF3500
or its equivalent. A non-drag-radials car might even find
that one a bit hard to handle, traction-wise. On the
street I rarely can use the full wind-up of my SF3000.

There are a whole bunch of threads about this in the
Automatic Transmission section. You should read them.
There are some pretty good explanations & graphs etc.
on Yank's web site too.

stevensLS1

iTrader: (2)

yes u have to remove the tranny off the car. the stall is inside the torque converter. should come out quite easy.

heyitsTaJay

the torque conveter is inside the trans

XtinctHawk02

I have a Vig 2800 stall and absolutely love it!
If you do get a converter, be sure to add a tranny cooler.
This will make your tranny last a little longer when it's cooled down.

HAMRHEAD

iTrader: (8)

Yes don't forget the tranny cooler.

jrp

iTrader: (16)

what are your mod? i've ridden in a cam'd bolt on a4 with a 2800 TC and 2.73's and it was a . no doubt the 2.73s arent the best but still.

TexMax

A larger stall will actually shave off several hp at the meats, but will make your car much quicker.

rdavis93

I was told to stay with a 2800 for my LT1 but it has 3.23 gears if I want to go nitrous-if not, then 3200 is cool. Try asking this over at camaroz28.com in the LT1 forum and you will prolly get better responses. A lot of LS1 people throw higher stalls on than LT1 people.

You really need to tell your mods to get a good stall for your car.

Nine Ball

iTrader: (38)

correct terminology: Torque Converter (not "stall converter")
the "stall" is just the flash rpm setting of the torque converter.

98boxer

iTrader: (7)

Thanks, again. I have checked out the transmission fourm and got more info. As some you have said, their post say, you lose hp but it launches the car faster and makes more use of the mid power band and spins the wheels like crazy. It seems like its a good mod, but Im a little confused how the car loses hp but make a hard launch and how it makes good mid band power while loseing hp, is the car over all faster with a high stall, torque converter -nine ball thanks for the correction- ? Jrp I added my signature showing the mods I've done. My car has 83,000 miles, and just did the lid, and foam 2 stage air filter and the car responded very well to this mods. I"m learning about torque converters, thank you all for your help.

heyitsTaJay

it makes a hard launch bcuz it will throws the rpms into a higher range. with a stock stall (1600) it wouldnt launch hard bcuz the the TC wont put you into a higher rpm guage at when you nail it. it puts you at 1600 then goes from there. with a TCI3500 it will start at 3500 then go from there. would u rather launch at 1600? or 3500?

yes the car is much faster. it may not feel that way bcuz of the looseness(more peddle to get the car moving) but nail that SOB and hold on.

i checked your sig. dont worry about the bellows, start savin for a TC and tranny cooler
J

koniu77

wrong. Torque multiplication at launch, is what makes the car launch harder.

BLACKND

iTrader: (5)

What is a good Trans Cooler to use? I will be getting my Hughes Performance Street Master 2500 soon for my truck And would like to know whats best to use with it.

heyitsTaJay

i totally forgot about Torque multiplication! ur right...my bad


SierraCrew- i use nuthn but B&M and they work fine for me!

J

69_YENKO

iTrader: (16)

I got the B&M super cooler 24,000gvn for my setup. we'll see monday how its works out.

ArcticFormula

You can loose HP to the wheels if the higher stall verter is not as efficient as the stock converter it replaces. The heat generated (thus the need for a trans cooler) is due to this inefficiency.

blkZ28spt

You might want to be little more informed before you go around telling people they are WRONG. In all actuality, you are WRONG as well. It's not all torque multiplication. It is a combination of the higher stall and the higher STR. Look at it this way.....how much torque is there to multiply at 3500 vs 1600? BIG difference. Also, news flash, the SY3500 has an STR of 1.7 (basically the stock STR) but is an improvement over stock. Why? HIGHER STALL. You want the right combo of stall and STR when you pick a converter.

heyitsTaJay

that will defintely bruise an Ego.....