Using a 2 wheel Dyno in a 90q?

[Jim Green]

--- Huw Powell <audi at humanspeakers.com> wrote:
>
> > Now there are quite a few 2wd dyno's in town.
> What
> > exactly do I need to do on my car for this?  Pull
> the
> > two front driveshafts off, and manually lock the
> > torsen Diff, and disable the 15 mph cutoff?  Or do
> I
> > need to pull the whole rear driveshaft and
> manually
> > lock the diff then use the front wheels?
>
> > '89 90tq 034EFI Stage II
>
> The problem here is that the center diff is not
> lockable on the TorSen
> cars.  Only the rear diff is manually controllable.
> Presumably with the
> driveshaft dropped and only front wheels driven, the
> TorSen will send a
> great percentage of the "spin" to the front - but I
> also suspect that
> would be a very abusive mode to run it in,
> especially at full power.
> Especially with all that extra power.
>
> I think you're gonna have to bite the bullet and go
> with the AWD dyno.


Ahh, crap, you guys are right, I was thinking of the
rear diff lock.  Oh well.

Thanks,

Jim

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