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11-18-2020, 07:18 AM
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#1 |
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Registered User
Join Date: Sep 2008
Location: Gainesville Ga
Posts: 212
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Tansmisson cooler options
Im looking for ideas / options on possible frame mount transmission cooler and location for 4l80e on 1969 C10. Trying not to use radiator with built in cooler. Ive been bit by that setup in the past.
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11-18-2020, 10:50 AM
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#2 |
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Registered User
Join Date: Jul 2012
Location: Whitehorse yukon
Posts: 1,218
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Re: Tansmisson cooler options
Factory for that 4l80e is the rad plus an auxiliary cooler in front of the rad
If auxiliary only I would suggest a very large one that would be close or larger then what originally came with that transmission Depending on year of transmission coolant lines close together or one at front one at rear newer style Newer style has a long tube at back off fitting transmission to provide lubrication Newer style also has oring fitting not npt Npt to an fittings may crack the case Last edited by gmc684x4; 11-18-2020 at 11:30 AM. |
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11-18-2020, 11:31 AM
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#3 |
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Almost Satisfied
 
Join Date: Mar 2002
Location: Springfield, MO
Posts: 2,928
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Re: Tansmisson cooler options
I used the Entropy radiator and this little external cooler for mine.
__________________
1971 C10 Stepside. LSx 6.0 with BTR Stage IV, Speed Engineering Headers, 4L80e transmission w/3200 Circle-D Stall. 3.73. Posi. Purchased this truck when I was 17. I started the rebuild (or take apart) in 1993. I have drug it around all over the country in pieces. Finally back on the road in 2021. "I can't complain, but sometimes I still do. Life's been good to me so far." |
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11-18-2020, 12:10 PM
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#4 |
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Old member
Join Date: Jan 2002
Location: Liberty, & Garden City S.C. , U.S.
Posts: 19,936
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Re: Tansmisson cooler options
I had the new aluminum radiator now in the 71 C10 for 5 year and I run through it and external in front of the it. No problems at all. 6.0 LS with 4L80E. Does great.
Ran this same setup on the old 305 TPI with 700R4 and it had over 300,000 on it when I pulled the motor & trans. 
__________________
1971 LWB Custom, 6.0LS & 4L80E, Speedhut.com GPS speedometer & gauges with A/C. 20" Boss 338's Grey wheels 4 wheel disc brakes. My Driver Seeing the USA in a 71 Upstate SC GM Truck Club 2013,14 and 2016 Hot Rod Pour Tour http://upstategmtrucks.com/ Get out and drive the truck this summer and have some fun! It sucks not being able to hear! LWB trucks rule, if you don't think so measure your SWB! After talking to tech support at Air Lift I have found out that the kit I need is 60811. Per the measurements I gave them. Ride height of truck inside spring and inside diameter of springs. |
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11-18-2020, 12:29 PM
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#5 |
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Registered User
Join Date: Feb 2019
Location: Navarre, Florida
Posts: 199
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Re: Tansmisson cooler options
On a similar note - how would mounting a cooler in front of the A/C condenser affect A/C performance? I've got a cooler yet to be mounted because I'm concerned it will more negatively affect my A/C performance than it will degrade tranny life by using the radiator only.
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11-18-2020, 12:45 PM
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#6 |
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Registered User
 
Join Date: Mar 2014
Location: Simi, CA
Posts: 495
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Re: Tansmisson cooler options
I just installed a Tru-Cool Max 40K transmission cooler on my 2011 Escalade because the 6.2 engine & 4L80E were both running hot on grades while towing. It has performed amazing. Transmission stays unbelievably cool!
The cooler on my 68 is similar, AC condensor & trans cooler are mounted in front of my radiator and I have no issues on 100* summer days. That remote Entropy cooler looks fancy but I am not convinced it has much cooling capacity. The Tru-Cool design is proven.
__________________
Made in America by Americans |
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11-18-2020, 01:13 PM
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#7 | |
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Old member
Join Date: Jan 2002
Location: Liberty, & Garden City S.C. , U.S.
Posts: 19,936
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Re: Tansmisson cooler options
Quote:
__________________
1971 LWB Custom, 6.0LS & 4L80E, Speedhut.com GPS speedometer & gauges with A/C. 20" Boss 338's Grey wheels 4 wheel disc brakes. My Driver Seeing the USA in a 71 Upstate SC GM Truck Club 2013,14 and 2016 Hot Rod Pour Tour http://upstategmtrucks.com/ Get out and drive the truck this summer and have some fun! It sucks not being able to hear! LWB trucks rule, if you don't think so measure your SWB! After talking to tech support at Air Lift I have found out that the kit I need is 60811. Per the measurements I gave them. Ride height of truck inside spring and inside diameter of springs. |
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