[s-cars] Bypass valves - Which one?

QSHIPQ at aol.com QSHIPQ at aol.com
Sat Dec 6 07:55:55 EST 2003


It's not the formal definition of blowby, it's really crankcase 
ventilation....  The laddy is giving you a massive hint here Hap.  Crankcase ventilation 
can be fed back into a motor, where it becomes part of the combustion chamber 
mix.  So, you have flavors of hitest and oil mixing with air.  Not very 
efficient combustion (in fact, several papers exist on oil and combustion - read: oil 
doesn't combust well).  The easiest thing to do, is just ignore it.  The 
better thing to do, is not allow oil to be fed into the combustion chamber.  This 
isn't a new trick, I remember back in the big block days feeding CCV into the 
header collector.

The EPA boys won't like you, but your motor will.  BTW, the audisport grp A 
S2 I serviced used a georgeous aluminim catchcan Pizzo.  Nothing like your 
homey-chromey for your ricer.

Scott "catch and release" Justusson


In a message dated 12/5/2003 10:55:58 PM Central Standard Time, 
CaptMagu at aol.com writes:
Joey

Blow by? We don't got to show you no stinkin blow by. While garaging right 
next door to Mr Billotti at Sears Point, I did see him empty something like a 
quarter of a quart of oil from his catch can after a day fo track time. Mike 
and 
I have not had this problem. I run my vent right to the turbo inlet.

Hap, amazin himself in Everboost, Maguire
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