[urq] Too much Crankcase ventalation?
QSHIPQ at aol.com
QSHIPQ at aol.com
Wed Sep 5 12:49:24 EDT 2007
Gents
I think there are some misunderstandings of how PCV works, and the risks and
benefits of a variable PCV valve closed loop system. If I were looking to
modify PCV to be properly routed, the nicely designed ball valve used in the
toyota supra turbos is where I'd start my search. For a good introduction
into how that valve works and some of the issues, take a gander thru this pdf...
_http://www.autoshop101.com/forms/h63.pdf_
(http://www.autoshop101.com/forms/h63.pdf)
I used this information as a guideline for PCV reroute and modification on
my supercharger addition to my landcruiser
HTH
Scott Justusson
In a message dated 9/5/2007 10:35:40 A.M. Central Daylight Time, Djdawson2
writes:
Claus,
This is the same experience I've had. Mine is a '93 UrS4 with an AAN, and
runs in the lower 12 second range as well. Upon launch, oil goes
everywhere... typically 1/2 quart pushed out the breather on each run. The car isn't
geared appropriately for the 1/4 mile, so I end up going through the traps at
over 8000 rpm.
During daily use, this is not ever an issue... but very annoying during a
hard launch on the street or track.
Dave
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