Twin charger project?

[ansonivan at yahoo.com (Anson Clement)]

In the february 2002 edition of Sport Compact Car they featured an early MR2 fitted with just such a setup, the whole point was to get the instant response of a roots type blower with the huge power potential of a biggass turbo.... the idea is realy bloody smart. I believe the blower was completely bypassed once the turbo spooled at higher rpm's.
 
Anson

gregdunn <gregdunn@prodigy.net> wrote:
> Take the supercharged g60 engine and ADD a turbo system to it (instead of
> replace the charger with a turbo as most people do).


You have a whole lot of potential for problems - "what is the goal?" would
be my first question. If you want 400 hp or something for dragging, or a
killer daily driver, etc etc. that can all be handled a number of routes,
but double-supercharging an engine adds weight and complexity where it
doesn't need to be. I don't want to kill your idea, but there are so many
good turbo setups (various trims & hybrids) that it doesn't make much sense.
Hell, the variable vane Triumph Speed Triple I rode a while back was 955cc.
It made 180 hp. And you could ride it like a grandma no problem.

I would think it would be too much work and probably fall short of a clean,
well designed turbo setup, or even a good centrifugal supercharger setup.

gd


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