[200q20v] Secondary Coolant Pump Virus
Glen Powell
gpowell at ennovatenetworks.com
Fri Mar 16 09:01:43 EST 2001
I have about 70k miles on the K24. It was 'new' but it had been run on the
dyno before I installed it on the ur-q. It's been on two different engines
in this car, the factory engine and the race-prepped 2.4L that is in there
now. I run the factory-type plastic radiator and no aux rad, have run like
this for years. I __always__ idle the car after a hard run and in fact after
any use at all. I monitor the EGT to tell when to shut-down the engine. I
like to see <800F before shut-off. I use only M1 15w50 and run the dual
oil-filter setup. The 2.4L runs a little hotter than I would like
(200-210)on the very hottest summer days (90-100F) with the A/C on. I would
prefer 180-200 max - oh well.... I also run a 160F stat and fan switch.
Someday I will fit a larger metal rad and the 9-blade (7-blade? - whatever
the 'good' one is) fan.
For general safety I monitor:
water temp - VDO
oil temp - factory
oil pressure - VDO
EGT - VDO
boost - VDO
O2 - combo O2/duty-cycle LED meter
CIS frequency-valve duty-cycle - combo O2/duty-cycle LED meter
6th mixture-enrichment EFI injector duty-cycle - combo O2/duty-cycle LED
meter
-glen
OOOO
-----Original Message-----
From: 200q20v-admin at audifans.com [mailto:200q20v-admin at audifans.com]On
Behalf Of C1J1Miller at aol.com
Sent: Friday, March 16, 2001 7:28 AM
To: gpowell at ennovatenetworks.com; b.m.benz at prodigy.net;
dale at themccormacks.org
Cc: 200q20v at audifans.com
Subject: RE: [200q20v] Secondary Coolant Pump Virus
How many miles on the turbo? Do you have an alluminum radiator? Do you
idle the car a while after a hard run?
chris
In a message dated Fri, 16 Mar 2001 7:21:04 AM Eastern Standard Time, "Glen
Powell" <gpowell at ennovatenetworks.com> writes:
<<
I've been running a WC K24 on my 85 ur-q for like 10 years without the
after-run pump. Still works great! Typical overkill German engineering?
Just a datapoint,
-glen
OOOO
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