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| Engine oil cooler [message #297565] |
Thu, 17 March 2016 20:04  |
Larry
Messages: 2875
Registered: January 2004
Location: Menomonie, WI
Karma: 10
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For those of you that have replaced a blown engine, what did you do for an engine oil cooler?
Larry 
78 Royale w/500 Caddy
Menomonie, WI.
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| Re: Engine oil cooler [message #297569 is a reply to message #297565] |
Thu, 17 March 2016 21:34  |
cbryan
Messages: 451
Registered: May 2012
Location: Ennis, Texas
Karma: 3
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Senior Member |
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Larry,
My Cad 500 didn't have an oil cooler hooked up when I bought it. Made for nervous times. Most all the rest of GMCs have coolers for engine oil. The upshot is that I saw on some sites that Cad 500s don't need oil coolers. Even while ballooning the heat when asking too much from the engine on fuel injection, I sent in an oil sample to Blackstone. They replied that while they didn't have much of an opinion about the need for oil coolers, they did report that the oil I sent to them didn't show signs of overheating. So, I am still on the fence about that need. I wonder what Ken H. does for oil cooling on his 500. Jim K?
Best,
Carey
Carey from Ennis, Texas
78 Royale, 500 Cadillac, Rance Baxter EFI.
[Updated on: Fri, 18 March 2016 21:52] Report message to a moderator |
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| Re: [GMCnet] Engine oil cooler [message #297572 is a reply to message #297569] |
Thu, 17 March 2016 22:09 |
Ken Henderson
Messages: 8726
Registered: March 2004
Location: Americus, GA
Karma: 9
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Larry, Carey,
I've always used the radiator oil cooler with my Cad 500, first with the
OEM copper; after the first trip up Monteagle, with the aluminum.
While I don't necessarily think it's mandatory to use an external cooler,
there was SOME reason Cad put one in the Eldorado. At least those from
which mine came.
Larry, this doesn't mean you've trashed another Cad, does it?
Ken H.
On Thu, Mar 17, 2016 at 10:34 PM, Carey Bryan wrote:
> Larry,
>
> My Cad 500 didn't have an oil cooler hooked up when I bought it. Made for
> nervous times. Most all the rest of GMCs have coolers for engine oil.
> The upshot is that I saw on some sites that Cad 500s don't need oil
> coolers Even while ballooning the heat when asking too much from the
> engine on
> fuel injection, I sent in an oil sample to Blackstone. They replied that
> while they didn't have much of an opinion about the need for oil coolers,
> they did report that the oil I sent to them didn't show signs of
> overheating. So, I am still on the fence about that need. I wonder what
> Ken H. does
> for oil cooling on his 500. Jim K?
>
> Best,
>
> Carey
> --
> Carey from Ennis, Texas
> 78 Royale, 500 Cadillac, Rance Baxter EFI.
>
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Ken Henderson
Americus, GA
www.gmcwipersetc.com
Large Wiring Diagrams
76 X-Birchaven
76 X-Palm Beach
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| Re: Engine oil cooler [message #297608 is a reply to message #297565] |
Fri, 18 March 2016 11:47 |
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John Heslinga
Messages: 632
Registered: February 2011
Location: Edmonton, Alberta, Canada
Karma: 4
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Larry
Notwithstanding all the discussion that inevitably comes up with whether or not you should or should not install an oil cooler: here is an installation I did.
GM installed it from factory and generally instsll them in heavy duty installations, and mine was full of s¿¡t. I think I need one. Full of info too.
http://www.gmcmhphotos.com/photos/g6915-oil-cooler-engine-external.html
John and Cathie Heslinga
1974 Canyonlands 260
455, Manny tranny and 1 ton, 3:70 LS,
Red Seal Journeyman, DTE, BEd. MEd.
Edmonton, Alberta
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| Re: [GMCnet] Engine oil cooler [message #297621 is a reply to message #297608] |
Fri, 18 March 2016 16:00 |
jimk
Messages: 6734
Registered: July 2006
Location: Belmont, CA
Karma: 9
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Carey,
I contend that if our MH did not need oil coolers, they would have left it
off.
Use the adapter from the Olds engine and use the New style oil coolers.
I need to use an extra large oil cooler as I need to contend with the heat
from the twin turbos. Also use the radiator oil cooler and have a
thermostat flow control for cold weather.
On Fri, Mar 18, 2016 at 9:47 AM, John Heslinga wrote:
> Larry
>
> Notwithstanding all the discussion that inevitably comes up with whether
> or not you should or should not install an oil cooler: here is an
> installation I did.
>
> GM installed it from factory and generally instsll them in heavy duty
> installations, and mine was full of s¿¡t. I think I need one. Full of
> info
> too.
> http://www.gmcmhphotos.com/photos/g6915-oil-cooler-engine-external.html
> --
> John and Cathie Heslinga
> 1974 Canyonlands 260
> 455, Manny tranny and 1 ton, 3:70 LS,
> Red Seal Journeyman, DTE, BEd. MEd.
> Edmonton, Alberta
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
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--
Jim Kanomata
Applied/GMC, Fremont,CA
jimk@appliedairfilters.com
http://www.appliedgmc.com
1-800-752-7502
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Jim Kanomata
Applied/GMC
jimk@appliedairfilters.com
www.appliedgmc.com
1-800-752-7502
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| Re: Engine oil cooler [message #297625 is a reply to message #297565] |
Fri, 18 March 2016 19:21 |
roy1
Messages: 2126
Registered: July 2004
Location: Minden nevada
Karma: 6
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Senior Member |
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I used the one Jim k recommends with a fan attached. In my case it is a necessity.
Roy Keen
Minden,NV
76 X Glenbrook
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| Re: Engine oil cooler [message #297629 is a reply to message #297565] |
Fri, 18 March 2016 20:22 |
cbryan
Messages: 451
Registered: May 2012
Location: Ennis, Texas
Karma: 3
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Senior Member |
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Thanks, everyone,
I had mentioned in my original reply to Larry who asked about what to do with the oil cooler when replacing a blown engine, that the Cadillac 500 I am running, (very broadly speaking), didn't have an oil cooler, or had its cooler deleted. Found some evidence that some don't believe the Cadillac 500 "needed" an oil cooler. Or at least someone posting on the internet. Blackstone (the oil analysis folks) says my oil was in good shape from overheating concerns, after a trip across country.
But the consensus here from KenH, JimK, Roy1, and John Heslinga, is to put it on. I watched Manny's transmission rebuild presentation DVD and he mentions that if you move 15,000 pounds, get a 30,000 pound rated cooler (double the rating). His cooler is very large. He also uses 3/8" brake line for the cooling connection, further obviating the need for a ground strap to the radiator to prevent galvanic corrosion, if you still also use the radiator transmission cooler. I guess the very last thing Manny wants to do is to rebuild his own transmission in his coach.
Again, thanks, and I will get that done.
So, two coolers coming to my coach. The list lengthens.
Carey
Carey from Ennis, Texas
78 Royale, 500 Cadillac, Rance Baxter EFI.
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