Do all New Age STIs have DCCD?
 

Or is it Blob onwards? Or even widetrack Blob onwards?

Widetrack blob onwards (for uk cars) and WR1

Hey mate, you can see all JDM models with DCCD here

http://www.type-ra.com/impreza-model...php?query=dccd

:thumb:

Bloody *******s. Does that mean that STIs also are a 50/50 torque split upto DCCD cars?

How about JDMs, and can DCCD be fitted to a non DCCD car?

Just buy a JDM, then you don't have to worry about these things.

DCCD can be retrofitted but as Trinity says just buy a JDM Impreza

I'm weighing things up.

Any tell tale signs on a new age that it's a JDM when looking at photos etc? I can live without DCCD if the car still has a more rear biased torque split in all honesty. The one shape I haven't yet owned is a Bug Eye....

a JDM blob/hawk - rear wiper. simples.

JDM Bug - Why? you dont get the twinscroll setup.

Buy once , buy right. JDM Blob or Hawk.

I don't want to push the budget that high so it won't be a JDM Blob or Hawk. Simple as that really. I'm just at that point with my Wagon where I either spend a lot of money modding further, or I buy an STI. I've pretty much decided that I want an STI again, but unless I wait another 6 months I won't be spending more than £7k.

And I don't have the patience to wait 6 months and not spend money on my wagon. It's a curse!

60/40 as far as I was aware

Or learn from others mistakes...'making do' will mean you will always want the car to be something it's not. Save now and buy the right one and condition your mind that your wagon is no longer anything to you and merely a bridging gap.

We've seen so many people on here all buy a WRX then want an STI, or buying a UK car then wanting it to be a JDM :)

Yeah I do get that.... I dunno. Need to think about it. I might say screw it and buy an M3 yet. I would prefer to stay Subaru though. I miss my old STI :(

I don't have 2.5 hang ups either as mine was one 125k and still going strong when I sold it.

I don't really want to make an STI be anything else though. If I buy a non widetrack car, it won't kill me. I've got past all that these days, worrying about not having the very best thing available etc.

It's snowing soon , great cars those bmw's in the snow.

Sounds like you have more thinking to do and more money to raise :)

DCCD varies the slip limiting, which in turn varies the amount of torque that can be redistributed via the center diff. The native torque bias of the planetary gearset in the diff is 35f/65r (04 and 05) and 41f/59r (06+), and the only time you can really be sure exactly what the torque bias is would be when the DCCD is set to full OPEN, meaning no slip limiting and no torque transfer (note: the 06+ has an additional mechanical LSD in the center diff that cannot be turned off).

Dialing in more DCCD lock does not direectly 'vary' the torque bias. What it does is prevent the front and rear from going different speeds and if there IS a speed difference, torque is transferred through the slip plates to the slow side to bring it up to the same speed as the faster side. The amount of torque transferred is dependent on two things:
-the difference in traction(and speed) between front and rear
-the amount of lock dialed in with the DCCD dial (or the amount commanded by the automatic mode).

It is possible, under extreme conditions to have all the torque transferred to the front or the rear, but this does NOT mean what most might take it as. It means that if one side of the car has 0 traction, the other side of the car gets ALL the torque transferred to it. This is exactly how you want AWD to work and represents the state of the art in performance AWD systems.

:confused:
This has baffled me, the center differential deals with torque split front/rear, you then have a front and rear diff that deal with cross axle torque, the dccd doesnt do that which reading this implies it does or did you miss a little bit out?

Tony:)

I can only cut and paste so much.
Where did you read the DcCd transfers torque left to right?

From what I read DCCD is a diff locking device, not a bias device. Hence you adjust it from fully open to fully closed (locked)
Power will always remain split in the same percentage front to back, unless traction is lost somewhere

The jdm bug has the strongest block.

what's DCCD?

the bit that makes pretty lights go up and down between the fuel gauge and temp gauge

Driver Controlled Centre Dildo.

Of you can't make it out from the description above then it's probably best not knowing.
In laymans terms it's an electronic centre diff instead of a viscous or torsen centre diff

Didn't audi have a locking centre diff back in the 80's? (Yes)
That they superseded with a proper torsen diff like the one in my gearbox.
I know it's not electronicly controlled, but does it need to be? Probably not, that's why the majority of AWD cars don't have one

It doesnt it has a front LSD and a rear LSD for that, the 100% thing is also wrong, it should never give one axle all the torque hence you have a 35/65/f/r split, across axle yes, thats why you have the LSD's ;)

Its actually both electrical and mechanical unlike vw's version for instance :)

Of course it's mechanical too! Diodes won't transmit power very well! VW doesn't have a proper 4wd system? They use a FWD set up with a transfer box and a Haldex coupling (mechanical coupling with electronic control) so really you need front wheel spin for power to go to the rear.
Audi however use basically the same system As subaru in their a4/a6 type quattro system, centre diff like an impreza.

So if you jacked up three wheels (or put them on ice) how much of the available torque goes to the remaining one wheel?

A white spoilerless Bugeye STi Spec RA.

Asymetric AWD. Equal to all wheels until it goes wrong.

Well the wife is on the same line of thought as me, either STI or M3 next.

If I go M3 I'll get an A4 Quattro as my next daily. If I go STI I'll go BMW as my next daily most likely.

I've decided I will go wide track after all, but I'm not going to stretch to a JDM. Seen a nice Hawk STI and a couple of nice Blobs within budget. I like the Hawk best, but I do worry that eventually the engine may give me hassle. It's not enough of a worry to stop me buying one if I thought it was the right car though.