[Audi20V_Kruemmer] RE: [s-cars] Re: wrt pushing RS2 to the edge...Plenum

[Richard Tanimura]

What a cool site!

BTW, the pulsation phenomena is similar to the one that occurs in the fuel
rail every time the injectors open. It is after all just the fuel plenum. So
while you are doing the Texas chain saw routine on the intake plenum, take a
slash at the fuel rail too.

Rich

-----Original Message-----
From: mlp qwest [mailto:mlped at qwest.net]
Sent: den 10 maj 2003 20:03
To: mlped at qwest.net; Mihnea Cotet; QSHIPQ at aol.com; robert at s-cars.org;
pizzoman at yahoo.com; s-car-list at audifans.com
Cc: Audi20V_Kruemmer at yahoogroups.com
Subject: [Audi20V_Kruemmer] RE: [s-cars] Re: wrt pushing RS2 to the
edge...Plenum


And, on a completely different, and slightly more esoteric note ......
Plenum volume!

"...  The induction pulses in an intake cause velocity to rise and fall with
every pulse. The plenum helps to reduce them by acting as an air capacitor.
Average velocity will remain the same, but the highs and lows will be closer
together.  The induction pulses in an intake cause velocity to rise and fall
with every pulse. The plenum helps to reduce them by acting as an air
capacitor. Average velocity will remain the same, but the highs and lows
will be closer together. ...."etc. form the web pages of
http://www.grapeaperacing.com/GrapeApeRacing/tech/intaketerms.cfm

Do the lists have any particular insight into application of the above to,
oh say an AAN intake?
Any thoughts on how much of a change in volume would constitute a
"significant" event as re: the AAN intake manifold?  1cc, 10cc's a 100?

Anyone suspect they may be having any problems related to "Plenum Volume?"

Mike "just wondering if I should really get a band saw" Pederson



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