Yeah I wasn't considering replacing the cooler as part of a routine oil
service, that would be a bit extreme...!
I do a detailed strip and clean on the oil system and fit a new cooler after
any metal-making event or a fresh engine installation.
I also normally run the oil through an Oberg, and then through a spin-on paper
element filter before it goes back in.
This way if the Oberg goes into any bypass (cold start), the spin-on will catch
anything that gets through.
Glen
-----Original Message-----
From: Aaron Johnson <hpspitfire at gmail.com>
To: fubog1 <fubog1 at aol.com>
Cc: jfrymark <jfrymark at aol.com>; toodamnfunky <toodamnfunky at comcast.net>;
fot <fot at autox.team.net>
Sent: Wed, Jan 3, 2018 7:41 am
Subject: Re: [Fot] Oil line & cooler flush
Completely agree that oil coolers are disposable when something happens. But I
think this is about routine maintanence. When you change the oil, you don?t
throw the cooler away.
All of my cars the oil from the cooler goes through the filter. I?m not sure
what the benefit of any of this is.
Don?t use a crappy filter. Regardless of what you do to the lines, cooler etc,
you are trying to keep your oil clean when the car is running. If your filter
sucks then everything else won?t matter.
Sent from my iPhone
On 03-Jan-2018, at 5:34 PM, fubog1 via Fot <fot at autox.team.net> wrote:
I have a specific test procedure that I use on oil coolers, prior to attempted
cleaning.
It involves the use of a nasty-ass chipping-hammer, the pointy end...
Oil coolers are cheap, racing engines aren't.
Glen
-----Original Message-----
From: John Frymark via Fot <fot at autox.team.net>
To: toodamnfunky <toodamnfunky at comcast.net>
Cc: fot <fot at autox.team.net>
Sent: Wed, Jan 3, 2018 2:27 am
Subject: [Fot] Oil line & cooler flush
I was in the industrial cleaning industry for a while and the only effective
oil cooler cleaning I knew of was done by immersion in an ultrasonic tank with
a pressured flow through the cooler. The ultrasonic action dislodged
particulates which were extracted by the fluid flow through the cooler. This
used aqueous cleaning solution (solvents do not work with ultrasonics) heated
to 180*F and with a mild alkaline degreasing agent. It is cost justified in
fleet maintenance settings, but buying a replacement oil cooler is probably
less expensive for us racers.
John Frymark
Sent from my iPad
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