Everybody benifit form the front LSD . All of us are going to do a 6grand dump right and feel the power of awd ! Many wrx owner has denied warrentee because of this but our tranny is much stronger right?

No clucks for us on fast shifts? I posted something on nasioc to ask about the clunking problem of engine or trans hitting firewall for the wrx. I'm curious if it occurs on the sti?

The power of the boxter engines . I guess that was an evil laugh. I need to say something after getting bashed for 2 days already .

 

i have to say something

GTR....i seriously doubt i would ever notice the LSD...and i am not the kind to do crazy clutch drops but the EVOs tranny is suppose to be stronger than the WRX...that is one of the reasons i am happy we have the 5 speed cause the new 6 speed is an unknown and unproven part at this point so i say let the JDM buyers sort it out for us

i am gonna do my best to get a silver or black small wing no sunroof evo by years end

but i might get cuscos later anyway

 

I just love how there are people on this board that mention how most of us will not need the gizmos like ACD on the EVO or DCCD on the STI. You know what, You're right! But guess what? You don't need half the things we have in this world. If you knew what ACD does, you would realize its more than just a tarmac, gravel, snow toggle switch. Here's a description of the Evo's ACD is from http://autozine.kyul.net so you know how it works.

"So what is the advantage of active differential ? firstly, using multi-plate clutch instead of viscous liquid speeds up response by 3 times. Secondly, the torque split between front and rear axle can be varied many times during cornering to maximize grip and steering response. Normally the torque split is 50:50. When entering a corner, ACD will tend to distribute equal amount of torque to both axle by locking up the clutches in order to maximize grip and induce a bit understeer - both of them are vital to stabilize the car. In mid-corner, ACD will tend to disengage the clutches thus allow more speed difference between front and rear wheels, which is vital to cornering agility. In the exit phase ACD will lock up again to equalize pulling force on all wheels, hence maximize traction to pull the car out of corner."

...and on AYC....

" It is actually a small multi-plate clutch incorporated inside rear differential. When the clutches engage, more torque will be sent to the opposite wheel. In mid-corner, AYC directs more torque to outside rear wheel to reduce understeer or even induce oversteer as desired. Exit corner, it transmits more torque to inside rear wheel to induce understeer for stability. The AYC in new Evo is unchanged, but it shares the computer and sensors (steering angle, g-force, yaw, wheel speed etc.) with ACD and communicate with each other to optimise the result. Think about it, ACD adjusts torque split between front and rear while AYC takes care of left and right (rear wheels), so they can virtually control the torque transmitted to any individual wheel as desired. As long as the software is right, this is the ultimate drivetrain engineers dreamed for decades !"

From reading this, you will understand that ACD and AYC is a vital part of the Evo's personality and more importantly, it's handling and cornering characteristics. It's anyone's guess how the American spec Evo's will handle compared with the ROW version...though I totally understand how the master drifters on this board may dislike AYC by the way.

I am still trying to get info on the Sti's DCCD, but apparently you can choose between 6 fixed front-to-rear torque split ratios. Ideal for changing the under/oversteer characteristics of your car. Seems nifty.

 

well the ACD was just introduced on the EVO 7...i would rather wait till it has had another year or 2 of street development before i put it in my car.

relaibilty is something i would be worried about...have u heard how reliable those active diffs are?

 

Question: do u think an LSD front or ACD really make the car handle better while drinve at semi sane street speeds???

i mean i don't go much over 60 on the best of roads around here...i don't have a death wish...will it make that much of a difference?

doesn't the ACD take some of the skill out of driving? the same for AYC doesn't it make the car easier to drive? inform me so i can make informed opinons

i am still gonna get an EVo as they r now...i think it wil be more than enough car for me

 

IF your looking for semi sane speed why get an evo?

98% of us wants ACD. I'd bet is kicking themself in the *** for not giving it to us as an option. I'd pay 34K for an U.S. full warentee evo with an ACd.

 

well the posted limits r 35 and i am doing 50 or better in the corners with a Grand AM GT...so when i say semi sane i mean no more than double the posted limit

and those corners r 90 degree flat(no banking at all and i do 50 staying in my lane)

 

This is no grand am gt. Trust me with the added power and handling you'll go much faster. Just like i wouldn't do 102mph on a 45mph road or 75mph on a 15mph road with a car.

 

well i am at the limit of my car and i feel i could do more...and i fully realize the differnces...the 100 horses and all wheel drive being the big ones...

i have no intent of going much over the speed i do now on the roads i drive on...its not safe...30-40ft cliffs on each side in places

but can u or anyone tell me how reliable the ACD system is and if it would make a difference on the street or would it only matter on the track

 

very occasional autocrossing...2-3 times a year...and maybe an open track day at road atlanta...so i know that the LSD and ACD would help there but in everyday driving i don't see how it could make a difference

if u know different please enlighten me

 

Constan speed is like zero. The fun part is acceleration like i mention about 6k dump or slip. Not a big deal and very fun.

ACD has a snow button which might be helpfull if you live up north.

 

i'll buy an evo in instant with or without ayc and acd, just 271hp, so what, that is why i am in this forum because i'll have an evo and no other.

 

if i get in to autocrossing i can see where i would want it....but for a daily drive with what u would call mild sport driving i would be fine without it till i got racing regularly...

I am in northwest ga where an inch of snow is a blizzard

 

i saw the Evos in a little known anime called Initial D...my grand turismo experiances did not make me want it as bad as seeing it in that anime then readin up on it and finding out what kind of car it really was...i was shocked at the kind of car it was and feel in love instantly

 

If you dump the clutch at 6K often you won't have a clutch to move forward for very long

Mark