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Old 06-24-2003, 07:09 PM   #1
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Auto transmission cooler, is it a good idea?

Thinking about trying to improve my auto transmission. I already have a shift kit installed and I am considering a better torque converter. Steeda has a tranny cooler kit available. Has anyone installed one of these and what was their experience. I am worried about heat buildup if I do any more mods to the trans.
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Old 06-24-2003, 07:22 PM   #2
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I did a B&M 24000 GVW tranny cooler for like $60, $50 to have it installed = $110 insurance and piece of mind.

I think it is a necessary mod for any high performance automatic car.

Get it, you'll be glad you did, if you don't get one, you might wish you did.

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Old 06-25-2003, 12:11 PM   #3
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Definetly dont get a converter w/o purchasing a tranny cooler as well.

In fact, get a cooler regardless.
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Old 06-25-2003, 01:19 PM   #4
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gideup:

Yes, any auxillary cooler is better than none because heat is your transmission's enemy.

FRPP offers a little kit for the Mustang for about $100. It is pricey compared to the larger coolers by Hayden and B&M but all the necessary bits and pieces come with it, right down to the nylon zip-ties.

FWIW, a stacked plate cooler is preferred over the finned tube type cooler.
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Old 06-25-2003, 01:22 PM   #5
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Is it too late to install a trans cooler if I already have 60,000 mi?
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Old 06-25-2003, 03:42 PM   #6
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No it is not too late. By the way if you are adding a higher stall torque converter it is critical to add an external transmission cooler. The way the higher stall works is it slips and doesn't give full power to the drivetrain until a higher rpm. This slippage creates alot of friction and heat that a stock converter would not create. THis increase in heat can cause a raise of around 20 or more degrees in your transmission on average and around 50 to 60 on peak, which at this upper range will break the transmission fluid's viscosity down and damage your internals in your transmission. By adding a cooler, you increase flow and capacity of your cooling system, as well as cooling ability, this way greatly lengthening the life of your transmission. However, this isn't needed really until you are running more power than stock or a high stall converter.
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Old 06-25-2003, 09:11 PM   #7
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How difficult is it to install myself, say using the frpp unit?
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Old 06-25-2003, 09:54 PM   #8
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HEY montmand what kind of time u runnin
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Old 06-26-2003, 12:23 PM   #9
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gideup:

Easy as pie to install the FRPP cooler. You need a small tubing cutter ($5 at the hardware store) and basic sockets, wrenches. You must be careful when loosening or tightening the tubing connections at the radiator (just put a wrench on the fitting so it does not turn and break the seal).

The kit has top-notch instructions (sketches, lots of words, etc.). You can't go wrong.

As for the other kits, I think installation is similar but you have to plan ahead because you will need some extra fittings, nuts, bolts, washers, zip-ties, etc.

Chris
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Old 06-26-2003, 01:18 PM   #10
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Is the FRPP unit in the catalog? I only have last years catalog does anyone know if the part # is the same?
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Old 06-26-2003, 03:46 PM   #11
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I have a B&M 24,000GVW cooler on order and should be here in the next few days. They are very easy to install and come with everything you need to do the job. Definately a great inexpensive insurance policy for your trans. Good Luck.
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Old 06-26-2003, 07:46 PM   #12
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Chris, how is the connection to the tranny made and do you have to drain the fluid out to hook up?
thanks
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Old 06-26-2003, 08:35 PM   #13
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Actually, I believe all Mustangs since some time in the 80's have come with external coolers already--they are built into the side of the radiator. Just follow the lines. I was surprised to find this on my '93 GT when I was replacing the 2-core with a 3-core. Both had the side section for the ATF lines.

The problem is that the heat will exchange between the two parts of the radiator, so it's a compromise at best and a separate cooler is a great idea.
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Old 06-27-2003, 11:02 PM   #14
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gideup:

Sorry for the late reply.

You don't have to drain anything and the fluid loss is minimal. You just cut the TOP tube, install one hose (to the cooler), remove about 2" of tubing from the open tube and install the second hose (from the cooler). Voila!

Cherub:

You are correct: they come with a cooler in the radiator. And, as you say, the aux. cooler provides additional cooling (using ambient air rather than coolant) so the net result is colder transmission fluid -- a very good thing.

Chris
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Old 08-31-2003, 08:14 PM   #15
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If you are running a Stock Lockup Converter, You dont need a additional cooler, The lockup converter will not generate a lot of heat.
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Old 08-31-2003, 11:29 PM   #16
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Mustang trans cooler part # form new catalog M-7077-D46 price $115
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Old 09-01-2003, 09:28 AM   #17
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Can someone tell me where I can install one on my car? I have a heat exchanger on already, so I'm not sure of other mounting options.
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Old 09-01-2003, 09:38 AM   #18
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We put mine right in front of the radiator, now it is right in front of the intercooler (TIGHT).

Howard
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Old 09-01-2003, 10:59 AM   #19
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installed mine yesterday, it is located in front of the radiator/condenser on the drivers side right of the centerline of the car. fairly simple install, drilled 4 holes and attached with the furnished sheet metal screws. The lines were routed yp through the body and thru the hole where the headlight lamp is next to the battery. I disconnected the flaired fitting at the top of the radiator and installed the furnished friction hose fitting. The other hose was clamped directly to the disconnected steel tube without cutting it. The only problem was there is not enough hose furnished with the kit and I had to go out and buy 6 more feet.
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Old 09-01-2003, 04:52 PM   #20
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Tranmission Cooler

Bob:

Very good mod to your car! I have a tranmission cooler on my car for like 3 years-at 20,000 mile mark. Heat is your tranmission's worst enemy. As I told I had a 3000 stallion Torque convertor put in and I beefed up the tranmission with valve body and bands& clutches. I basically have new tranmission and the guy did a rebuild kit too. My point is the tranmission had 45,000 and it looked very good. When I get my car back very soon, I will have to meet you on a saturday night at Auto Zone and let you see what a convertor does.

Donald
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Old 09-01-2003, 05:49 PM   #21
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A cooler is a greta way to extend your transmissions life.

Fluid life is cut in half every 25 degrees over 170.

I have one of these laying around if anyone is interested...
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Old 09-01-2003, 07:53 PM   #22
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Donald
better yet lets go to Immokalee or Bradenton!
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Old 09-01-2003, 08:01 PM   #23
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Any one have any pics of the cooler installed? I have the same problem as 2k1gtfromsc because of the heat exchanger in the front bumper

Last edited by 01satinsilver; 09-01-2003 at 08:03 PM.
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Old 09-05-2003, 12:04 PM   #24
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Bob:

Ya we can go to Immokalee. I just want to get my tune before we go and I hammer the car a little bit. I think my car will be in more of a need of a tune- 24lb injectors, new fuel pump, ford racing heads, ford racing intake, and pi cams.

One question: What kind of fluid you put in your tranmission?

Donald
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Old 09-05-2003, 01:46 PM   #25
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2k1 and 01satin,

I installed my cooler between the condenser and the i/c on the drivers side. It is the same one pictured above (by Stedda) with the fan. It was a tight fit but works great, trans temp does not go over 155 degrees versus 215 before. Here is a link to a picture taken from the top with the plastic cover removed:
http://mrelmtow.corral.net/photo2.html
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