[s-cars] Of EDL and switches...

Keith Maddock Keith.Maddock at trw.com
Mon Nov 4 15:00:05 EST 2002


Sounds like "slick road" with "patchy bits of wet and/or ice" to me :)  I forgot to think of uphill though, good point.

I think in cases like that, you're gonna have some wiggle even if you had 3 locked diff's...

Was the GT4 a non-turbo version of the Celica AllTrac that we never got in the US?

I'll venture to say (for the point of discussion) that a steep incline doesnt "reduce traction" for a AWD vehicle with torsen center, but instead "increases the amount of traction needed" for the same forward motion/acceleration, but thats really splitting hairs and I think we're on the same page regardless :)

(a uphill will though, increase drive traction for RWD and decrease for FWD due to increased weight transfer to the rear)

Now, if you add olive oil, vodka, espresso, or anti-seize to the road surface, all bets are off!!

Cheers,
Keith "Staying away from Pizzo's steep driveway when the leaky olive oil shipment arrives" Maddock


****************************************************************
Keith Maddock, TRW Automotive,  Koblenz, Germany
Slip Control Systems, Systems Design, Traction Control
+49 (0)261/ 895 2474     -    -    keith.maddock at trw.com

>>> "J. Khang" <jhlk99 at yahoo.com> 14:38:46 04.11.2002 >>>
 --- Keith Maddock <Keith.Maddock at trw.com> wrote:
>
> In the case you mention, with a stock car you're
> SOL.  Granted, even with RS2 upgrade, its got to be
> a pretty slick road to unstick one wheel at 40mph.
> However, I would say there is a definate advantage
> to having a torsen in the back for this case.  IMHO,
> I don't think it would even "hunt" or "wiggle",
> unless the surface is very uneven (patchy bits of
> wet and/or ice).

It happens, did it in a Celica GT4 (rear Torsen,
centre VC) WOT in 2nd gear up a steep incline,
overtaking in wet/icy conditions. I could feel the
back end move around slightly.

The steep incline reduces traction so you wouldn't
need an RS2 setup to cause problems.

Jonathan
'96 S6

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