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Mike,
In that case the only way to drop the oil temperature
20 deg. for half an hour with OEM a cooler would be a function of your right
foot or pack the oil cooler in ice.
If your intention was for the beginner
HPDE driver the following is true: If one keeps the Corvette completely stock
including and most important stock tires he or she will not have an oil temperature
problem. It is nuts like us that have oil temperature problems.
The over loading of the OEM cooling system
capacity will be limited by the traction of the OEM tires. Think about the first
time you tracked your Corvette. The only thing your cared about was staying on
the track.
Sticky tires, big brakes & coilovers enable
you to put your right foot down longer creating more heat.
By the way the Pope said that you could
eat meat on Good Friday if your health depended on it! I asked him for you.
I always like talking to individuals that
are smarter and richer then me.
Gary
From:
Sent: Monday, February 23, 2009
11:24 AM
To:
Subject: RE: [RCCTrackers] Re: Hot
engine oil temperatures
Again thanks for your input, but your
responses do not fit my original question or what my intentions are. I have
talked with Aaron several times and yes he is an engineer that graduated from
RIT, but that does not fit my situation. I'm talking about reducing oil
temperature 20 degrees for a short half hour exercise. It's not meant for all
out racing platform like many of your friends try to emulate. This is meant for
weekend kicks. All I'm trying to do is reduce the cost and bring it in line so
that more Corvette owners would agree to trying a new adventure without having
to feel that they are damaging their car or have to spend thousands to have
fun.
And for the record....in my profession...I
make the engineers designs work. I've bought Pfadts suspension and quite
frankly it's excellent, but the design is very immature for making adjustments.
Telling me to talk to an engineer for advice is like asking the Pope if you can
eat meet on Good Friday. It ain't gonna happen
From:
Sent: Monday, February 23, 2009
10:26 AM
To:
Subject: RE: [RCCTrackers] Re: Hot
engine oil temperatures
The VW engine in an air cooled Porsche is the radiator
that may or may not
have as much of an air flow problem as our Corvettes do. I know that the
rear engine hood is vented. I would guess that if they were driven to
extremes of a race track that they to would also need help.
I would ask around to see if the cooling capacity of the OEM oil cooler is
sufficient before I installed a fan on it. If it is not large enough you
could spend your $150 on a larger cooler to replace the OEM and get more for
your frugal money. I think that if a simple fan would work Pfadt & Rippie
would be selling electric fan kits.
Talk to Aaron Pfadt and he will tell you what you need to know.
Aaron is a vary smart engineer that is not afraid to give you advice.
What do they say on the Corvette Forum on the subject?
-----Original Message-----
From: RCCTrackers@
Behalf Of uvbnzd
Sent: Monday, February 23, 2009 9:58 AM
To: RCCTrackers@
Subject: [RCCTrackers] Re: Hot engine oil temperatures
Thanks for all the insight that you have experienced. I agree with
everything that you have said. But, on the otherhand, Porsche has
been running an air cooled engine for years with an oil cooler that
works....as well as other manufacturers. My engine coolant
temperature has never been a problem...that I'm aware of. I will pay
closer attention next time on the track. Pfadt does have a nice
system, but any solution that requires $800 plus installation for 20-
40 minutes of track time is for the " I have nothing better to do
with my money". Sorry that I'm so frugile, but there has to be a more
economical way. Once the weather clears, I plan on putting an
auxillary fan on the stock oil cooler with a temperature activated
switch. I estimate $150 for the complete package. If it works I'll
sell the idea to Pfadt, Dewitts, and Rippie.
--- In RCCTrackers@
>
> Now that I am at my PC I can get more on the topic then using my
Blackberry.
> I did the DeWitts radiator that is 2x as thick and has 50% more
cooling
> surface on the engine & transmission oil cooler side. Mr DeWitts
told be
> that the only way that you will keep the coolant and oil temp down
is to
> increase air flow through his radiator. In other words, air flow is
the
> limiting factor if the radiator has the surface area to extract the
heat.
> The electric fans need to be programmed to come on sooner and stay
on high
> speed. The air flow is dependent on the restrictions to flow or
pressure
> drop created by the restrictions.
>
> This is one reason that all race Corvettes have vented hoods to
extract hot
> air from under the hood and increase air flow that is highly
restricted by
> the stock air flow path under the car. At speed you have more then
enough
> inlet air pressure to the radiator but the air needs to escape on
the outlet
> side.
> The dividends with the vented hood are less under hood pressure,
> temperature, lift and more down force.
> It would be interesting to see if the coolant & oil temperature
would
> decrease if just a vented hood was installed with a stock radiator.
This
> would tell you that the cooling capacity of the radiator is the
limiting
> factor if it dropped a few degrees.
>
> -----Original Message-----
> From: RCCTrackers@
[mailto:RCCTrackers@
> Behalf Of
> Sent: Sunday, February 22, 2009 5:06 AM
> To: RCCTrackers@
> Subject: Re: [RCCTrackers] Re: Hot engine oil temperatures
>
> Pfadt Racing has the best C5 oil cooler. Vented hood also helps
>
> Sent from my Verizon Wireless BlackBerry
>
> -----Original Message-----
> From: "mitch-evans" <mitch-evans@
>
> Date: Sun, 22 Feb 2009 02:25:42
> To: <RCCTrackers@
> Subject: [RCCTrackers] Re: Hot engine oil temperatures
>
>
> Found this link regarding high oil temps:
> http://www.z06vette
>
> ME
>
> --- In RCCTrackers@
> >
> > Yes, I have a 160 thermostat and the car was tuned by you. I have
seen
> > the Rippie version and I have also seen aftermarket radiators that
> > have engine oil cooling capability. Overpriced for me. However
the GM
> > automatic radiator is reasonably priced. Have you heard or
experienced
> > anyone swapping their radiator? My concern is that it may
restrict the
> > oil flow or reduce pressure. Z06's have a oil delivery problem
during
> > centrifugal forces and I don't want to make it worse. I've also
> > thought of mounting a small cooling fan on the factory oil cooler.
> > Where it is located from the factory doesn't allow for any air
flow.
> > What do you think of this idea? I know your company is very
innovative
> > and well respected for it's quality workmanship. Your opinion is
> > highly regarded.
> > Thanks for responding and I'm glad to see you are a member now.
If you
> > have any other alternative ideas, please pass them on. Or, better
yet,
> > if you have any specials....
> >
> >
> >
> > --- In RCCTrackers@
> > >
> > > Do you have an aftermarket oil cooler system? We use Doug
Rippie oil
> > > cooler systems on the C5's with good luck, they are pricey
though.
> > > Also, is your corvette tuned? Do yopu have a low temp
thermostat?
> > > These things will also aid in having a cooler oil temperature.
> > >
> > > Mike
> > > New Era Performance
> > > www.neweraperforman
> > >
> > >
> > > --- In RCCTrackers@
> > > >
> > > > I'm trying to gather information to solve the hot engine
oil
> > > > temperatures that the C5's and C6's experience on road
courses.
> > > > On warm days above 80 degrees oil temperatures rise above
280
> and in
> > > > some cases I'm hearing of over 300 degrees. I know
synthetics
are
> > > > capable of high temps, but this is pretty extreme. I've
seen
> > > > replacement radiators with engine oil cooling capability,
but
the
> > > > expense is a bit extreme and I am looking for an
alternative.
Any
> > ideas?
> > > > Perhaps a GM personnel is out there willing to help. Has
anyone
> heard
> > > > or experienced using a radiator out of an automatic trans
Vette and
> > > > cooled the engine oil through the trans oil cooler?
> > > >
> > >
> >
>
>
>
>
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