Supercharged 3800

[Frederic Breitwieser]

>Conversely, if the TB is downstream of the blower, then when going from
>full throttle and boost to suddenly closing the throttles creates a 
>reverse pressure pulse that may damage the blower.  i.e.  The blower's

That's where HKS's blow-off valve offers some protection (for example).
Its not uncommon for very high performance turbo cars to have both a
turbo-bypass (wastegate) as well as the wastegate for the intake side of
things... the same theory applies to supercharging.  Like you said, air has
to go somewhere.

>closed.  It's a good idea to add a blow-off valve that routes the extra
>air back to the intake of the blower to prevent damage until it has a

Maybe I should have read your entire message before replying :)


Frederic Breitwieser
Bridgeport, CT 06606

Homebrew Automotive Website:
http://www.xephic.dynip.com/

1993 Supercharged Lincoln Continental
1989 HMMWV
2000 Buick-Powered Mid-Engined Sports Car

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