[DeTomaso] Oil cooler question
Ken Green
kenn_green at yahoo.com
Wed Sep 12 15:08:10 EDT 2018
How much does running synthetic oil help? I assume it lubricates better at higher (and maybe lower) temperature, but there is a temperature where bearings start getting soft, something over 300 deg F.
From: Jack DeRyke via DeTomaso <detomaso at server.detomasolist.com>
To: lplugw at hotmail.com; pantera at vtc.net; detomaso at server.detomasolist.com
Sent: Wednesday, September 12, 2018 11:25 AM
Subject: Re: [DeTomaso] Oil cooler question
Maybe; maybe not. Some owners running oil coolers do not use an oil
thermostat. Their success may be due to most of us not really needing
an oil cooler at all. I chose to run an oil thermostat on my
experimental rig so as to not cool the oil when temperatures or the
conditions I'm running do not need extra-cooled oil: eg- slow driving.
Note that water cooling oil WILL raise water temps (about 5F while
lowering oil temps about 20F); there's only so much total capacity in
the car's cooling system. I run a Fluidyne rad with extra cooling
capacity & those numbers are what I got.
As far as connecting the water cooling lines of an oil-water cooler to
the heater fittings on the engine, you'll have to decide if changing
the water flow through the cooler to less than half that designed for
by the engineers who built it, will work for you: 1-1/2" OD rad' lines
vs 5/8" OD heater lines. Again, if it works, that may only prove that
the cooler wasn't needed in the first place. In my case it certainly
wasn't, but I wanted to see if one would lower oil temps significantly
on our mostly street car.
-----Original Message-----
From: Larry Weston <lplugw at hotmail.com>
To: JFFR <pantera at vtc.net>; detomaso at server.detomasolist.com
<detomaso at server.detomasolist.com>
Sent: Wed, Sep 12, 2018 9:43 am
Subject: Re: [DeTomaso] Oil cooler question
If the oil cooler was plumbed in series with the cabin heater lines
would a thermostat even be necessary? Seems like an effective way
to get cold engine oil up to operating temperature as quickly as
possible and allow minimizing of oil cooler line length at the
expense of slightly longer heater hoses.
__________________________________________________________________
From: DeTomaso <[1]detomaso-bounces at server.detomasolist.com> on
behalf of
JFFR <[2]pantera at vtc.net>
Sent: Wednesday, September 12, 2018 10:06 AM
To: [3]detomaso at server.detomasolist.com
Subject: Re: [DeTomaso] Oil cooler question
I have a Laminova oil cooler on the outlet of my radiator and for
street
use in the desert, it does a pretty good job. When I used the car on
our
local road course race track, oil temperatures would start getting
into
the 240 degree area. My car has a front mounted air conditioning
condenser, so the area where the original condenser was located was
available to install an air to air DeRalle oil cooler with its own
fan
assembly. Oil temperature is now staying around the 210 to 220 degree
range when the car is being tracked. My engine has a Titan oil pump
which was set up to compensate for the additional oil lines to and
from
the coolers.
Two oil coolers may sound like overkill, but the second oil cooler
which
is now in the rear of the car was actually very easy to install. The
rear cooler fan has a thermostatic switch which doesn't come on until
the oil reaches 180 degrees, which in turn doesn't allow the oil to
be
too cold. High horse power engines generate lots of heat and cooling
the
oil also helps to keep the water temperature down.
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-------------- next part --------------
How much does running synthetic oil help? I assume it lubricates
better at higher (and maybe lower) temperature, but there is a
temperature where bearings start getting soft, something over 300 deg
F.
__________________________________________________________________
From: Jack DeRyke via DeTomaso <detomaso at server.detomasolist.com>
To: lplugw at hotmail.com; pantera at vtc.net;
detomaso at server.detomasolist.com
Sent: Wednesday, September 12, 2018 11:25 AM
Subject: Re: [DeTomaso] Oil cooler question
Maybe; maybe not. Some owners running oil coolers do not use an oil
thermostat. Their success may be due to most of us not really needing
an oil cooler at all. I chose to run an oil thermostat on my
experimental rig so as to not cool the oil when temperatures or the
conditions I'm running do not need extra-cooled oil: eg- slow
driving.
Note that water cooling oil WILL raise water temps (about 5F while
lowering oil temps about 20F); there's only so much total capacity in
the car's cooling system. I run a Fluidyne rad with extra cooling
capacity & those numbers are what I got.
As far as connecting the water cooling lines of an oil-water cooler
to
the heater fittings on the engine, you'll have to decide if changing
the water flow through the cooler to less than half that designed for
by the engineers who built it, will work for you: 1-1/2" OD rad'
lines
vs 5/8" OD heater lines. Again, if it works, that may only prove that
the cooler wasn't needed in the first place. In my case it certainly
wasn't, but I wanted to see if one would lower oil temps
significantly
on our mostly street car.
-----Original Message-----
From: Larry Weston <[1]lplugw at hotmail.com>
To: JFFR <[2]pantera at vtc.net>; [3]detomaso at server.detomasolist.com
<[4]detomaso at server.detomasolist.com>
Sent: Wed, Sep 12, 2018 9:43 am
Subject: Re: [DeTomaso] Oil cooler question
If the oil cooler was plumbed in series with the cabin heater lines
would a thermostat even be necessary? Seems like an effective
way
to get cold engine oil up to operating temperature as quickly as
possible and allow minimizing of oil cooler line length at the
expense of slightly longer heater hoses.
__________________________________________________________________
From: DeTomaso <[1][5]detomaso-bounces at server.detomasolist.com> on
behalf of
JFFR <[2][6]pantera at vtc.net>
Sent: Wednesday, September 12, 2018 10:06 AM
To: [3][7]detomaso at server.detomasolist.com
Subject: Re: [DeTomaso] Oil cooler question
I have a Laminova oil cooler on the outlet of my radiator and for
street
use in the desert, it does a pretty good job. When I used the car
on
our
local road course race track, oil temperatures would start getting
into
the 240 degree area. My car has a front mounted air conditioning
condenser, so the area where the original condenser was located was
available to install an air to air DeRalle oil cooler with its own
fan
assembly. Oil temperature is now staying around the 210 to 220
degree
range when the car is being tracked. My engine has a Titan oil pump
which was set up to compensate for the additional oil lines to and
from
the coolers.
Two oil coolers may sound like overkill, but the second oil cooler
which
is now in the rear of the car was actually very easy to install.
The
rear cooler fan has a thermostatic switch which doesn't come on
until
the oil reaches 180 degrees, which in turn doesn't allow the oil to
be
too cold. High horse power engines generate lots of heat and
cooling
the
oil also helps to keep the water temperature down.
_______________________________________________
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discussion of issues surrounding all DeTomaso automobiles. This is
an
unmoderated mailing list operated as an independent entity.
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etc.)
use the links above.
Members who post to this list grant license to the list to forward
any
message posted here to all past, current, or future members of the
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or approve the archiving of list messages.
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