[s-cars] Sequential Turbocharging

[Kevin Day]

On Fri, Jan 06, 2006 at 07:58:25AM +0100, Richard Tanimura wrote:
> You could use a very small turbo in the first stage but the parasitic losses
> caused by pushing gas through a small restrictor (hotside of the first
> turbo) would be a negative factor for getting real push out of the second
> stage. Both ideas are fun. Looking forward to seeing somebody try some
> solutions.

On the 959, Porsche used a set of valves to switch from single to
compound turbo operation.  I'm sure if Porsche could do it for the 959 a
few hobbyists can cobble something similar in their garage, right? :)

Here is some info on the 959 setup I scanned:

http://www.boost-instruments.com/959/959-turbo.html

Simple!

-Kevin
monoturbo '94 S4