| How to choose a Transmission Cooler [message #243911] |
Mon, 17 March 2014 10:48  |
Donovan-formerly Jase386
Messages: 139
Registered: January 2009
Location: Greenville SC
Karma: 0
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I am new to dragging a dinghy along and want to make sure my transmission stays cool along the way.
How do I choose the proper cooler for my trans. There is one already installed, but I don't know if I need another one, or larger one?
Do you go by external measurements such as "the unit is 9"h x 18"w " or by the number of rows of tubing, or fins that are in a given area?
any advice to help me out? dumb it down please..
Donovan, Greenville SC
1975 Eleganza II
81,500 miles
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| Re: How to choose a Transmission Cooler [message #243933 is a reply to message #243911] |
Mon, 17 March 2014 12:44  |
roy1
Messages: 2126
Registered: July 2004
Location: Minden nevada
Karma: 6
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If you have a stacked plate trans cooler that size should be more then big enough. I would add a trans temperature gauge with the sender in the pan if you are concerned and monitor the temperature on steep grades to be sure the oil stayed at a safe temperature. At least that is what I do.
Roy Keen
Minden,NV
76 X Glenbrook
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| Re: [GMCnet] How to choose a Transmission Cooler [message #243986 is a reply to message #243911] |
Mon, 17 March 2014 18:09 |
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USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
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Donovan,
It would be helpful if you could take a photo of the oil cooler you have installed currently and post it to the PhotoSite. If you
don't know how to do that then send it to robmueller at iinet dot net dot au and I'll post it for you.
Regards,
Rob M.
Sydney, Australia
AUS '75 Avion - The Blue Streak TZE365V100428
USA '75 Avion - Double Trouble TZE365V100426
-----Original Message-----
From: jase386
I am new to dragging a dinghy along and want to make sure my transmission stays cool along the way.
How do I choose the proper cooler for my trans. There is one already installed, but I don't know if I need another one, or larger
one?
Do you go by external measurements such as "the unit is 9"h x 18"w " or by the number of rows of tubing, or fins that are in a
given area?
any advice to help me out? dumb it down please..
--
Donovan, f
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Regards,
Rob M. (USAussie)
The Pedantic Mechanic
Sydney, Australia
'75 Avion - AUS - The Blue Streak TZE365V100428
'75 Avion - USA - Double Trouble TZE365V100426
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| Re: How to choose a Transmission Cooler [message #243993 is a reply to message #243911] |
Mon, 17 March 2014 19:29 |
Bob de Kruyff
Messages: 4260
Registered: January 2004
Location: Chandler, AZ
Karma: 1
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| Donovan-formerly Jase386 wrote on Mon, 17 March 2014 09:48 |
I am new to dragging a dinghy along and want to make sure my transmission stays cool along the way.
How do I choose the proper cooler for my trans. There is one already installed, but I don't know if I need another one, or larger one?
Do you go by external measurements such as "the unit is 9"h x 18"w " or by the number of rows of tubing, or fins that are in a given area?
any advice to help me out? dumb it down please..
|
If you are concerned, I would find a way to measure your tranny temp before you go too far. Your current add on cooler may be just fine but I would not add another one without removing the current one. Too many coolers simply disrupt all of the thermal mechanisms in your coach. You may not need a cooler at all. It has one already i the radiator and was tested by GM as original equipment.
Bob de Kruyff
78 Eleganza
Chandler, AZ
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| Re: How to choose a Transmission Cooler [message #244266 is a reply to message #243992] |
Wed, 19 March 2014 11:26 |
mikethebike
Messages: 331
Registered: January 2014
Karma: 0
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Liquid-to-liquid cooling is much more effective than liquid to air, plus, when it's COLD the coolant will keep your T/F at the correct temp....which is why I plumbed my oil-to-air cooler in front of the radiator.
| WildBill wrote on Mon, 17 March 2014 19:10 |
I know most cooler manufacturers recommend running through the radiator however if I was going to a hot climate I would consider not going through the radiator. I don't know what your coolant temps are down there but I can't imagine much cooling happening at 190 degree coolant temps. Same goes for the engine oil cooler. For cooler climates you can buy a cooler bypass valve that opens up when the temp gets up to about 180f. Don't really have much experience heavy pulling so just thinking. Perhaps someone with more experience can chime in. A torque converter warms things up pretty fast and I would think running through the radiator would raise engine coolant temps pretty fast going up mean hills.
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