Tranny cooler mount
09-04-2015, 03:44 PM
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Car: 86 Trans Am
Engine: 305 LB9
Transmission: 700r4
Tranny cooler mount
Hey everyone, in the quest with fixing my ac I have decided to add a tranny cooler. What would be the best position to add this in? Its a large one, not sure exact measurements
09-04-2015, 07:42 PM
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Car: 1989 GTA
Engine: LS coming soon
Transmission: 80E coming soon
Axle/Gears: S60/35 Spline/S-Trac/3.73
Re: Tranny cooler mount
Find somewhere not obstructed to mount it, preferably up front near radiator. If need be add some thick screening to protect from road debris.
09-04-2015, 08:33 PM
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Re: Tranny cooler mount
Need air flow through it so bear that in mind. Look for a video on youtube. I usually mount them in front of the radiator and or AC condensor low.
09-05-2015, 10:37 AM
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Re: Tranny cooler mount
Ive read and been told that you want the fluid to first travel through the cooler you are installing then into the radiator. Reason for this is cause you want your tran fluid temp right around 200*F. So if you ran it through the rad first, the oil gets conditioned to the temp of the engine (around 200) then through the aux cooler you installed, lowering the temp even more. You dont want cool tranny fluid in your tranny. 200*F is a perfect temp for transmission fluid.
(edit) Id put a temp gauge on as well.
(edit) Id put a temp gauge on as well.
09-05-2015, 01:37 PM
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Car: 86 Trans Am
Engine: 305 LB9
Transmission: 700r4
Re: Tranny cooler mount
The trans has cooling lines going to the radiator right now, pretty sure that's factory, what did you guys do about that?
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09-05-2015, 07:22 PM
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Car: 1988 Camaro
Engine: 355, 10.34:1, 249/252 @.050", IK200
Transmission: TH-400, 3500 stall 9.5" converter
Axle/Gears: Ford 9", detroit locker, 3.89 gears
Re: Tranny cooler mount
It really depends on where you live and the weather. It's best to keep trans around 190-200*, get over 200 and you start to lower the life of the trans.
If you live in cold weather then it's best to route into the external cooler 1st, then to the rad. cooler, then back to trans.
If you live in a hot weather place, then rad. cooler like stock 1st, then out of it and into your external cooler, and then back to trans.
On hot weather cars, with real high stall converters, it's best not to even run the in rad. cooler.
I have 2 external coolers mounted in front of my rad and just run those, but I live in GA. and have a 3500 stall converter
If you live in cold weather then it's best to route into the external cooler 1st, then to the rad. cooler, then back to trans.
If you live in a hot weather place, then rad. cooler like stock 1st, then out of it and into your external cooler, and then back to trans.
On hot weather cars, with real high stall converters, it's best not to even run the in rad. cooler.
I have 2 external coolers mounted in front of my rad and just run those, but I live in GA. and have a 3500 stall converter
09-05-2015, 07:40 PM
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Car: 86 Trans Am
Engine: 305 LB9
Transmission: 700r4
Re: Tranny cooler mount
I live in Texas so radiator first then lol. That's why I'm very concerned about keeping it cool. There was one point in the winter, ran to my car to go to the station for a fire call at like 4am. About 8 degrees and snow everywhere, the tranny fluid was so cold it actually didn't want to shift. It was crazy. Needless to say that was one time lol
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