quattro digest, Vol 1 #2101 - 7 msgs

[Burl Vibert]

TM wrote:
> 
> I believe the 959 was not sequentially turbocharged- it was a parallel
> system with one turbo on each bank. The turbos had bypass valves, which
> helped keep the turbo spooled-up, I distinctly remember that being
> mentioned when the car hit all of the car magazines.
> 
> The 993 turbo is also parallel turbocharged, not sequential.
> 
> The only cars I know of that are available in the US that are sequentially
> turbocharged are the '93+ Toyota Supra Turbo and the '93+ Mazda RX-7.


To make power on the RX-7 the sequential turbo system is the first to
go.  A friend of mine eventually went to one big turbo on his.  I
guess the sequential setup is  more for driveability than power.


Burl Vibert
1983 911SC
Kingston, Ontario