Trans Cooler with fan - LS1LT1 Forum : LT1, LS1, Camaro, Firebird, Trans Am, Engine Tech Forums

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post #1 of 9 (permalink) Old 01-16-2013, 07:15 PM Thread Starter
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Trans Cooler with fan

Anyone have any good info on this sort of setup on a daily driven car?

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I have a heavily modified lt1.


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post #2 of 9 (permalink) Old 01-16-2013, 09:32 PM
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They work great. I use them a lot on snow plow trucks. Snow plows are murder on automatic transmissions due to low airflow across the cooler (plow in the way). I like the ones with a thermostatic switch to control the fan.

I always add an external cooler in addition to the factory cooler in the radiator. I don't recommend replacing the factory cooler with an external cooler. It should be in addition to the factory cooler. The flow should be: out from the transmission into the radiator, then out of the radiator and into the aux. cooler, and then out of the aux. cooler and back to the transmission. (FWIW, the lower line on a 4L60E is the "out") When you're done, just make sure you have good flow through the whole system. the return from the cooler is the lube (and cooling) for your gear train.

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post #3 of 9 (permalink) Old 01-17-2013, 07:48 AM Thread Starter
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Part of the reason for having the fan variant is the large amount of junk that now takes up the engine bay, all of which is hot exhaust tubing. So the risk of burning through a cooler line far out weighs the gain from using stock cooler in radiator. IMO of course. I have never ran it in series with the stock cooler, just have to let it warm up slowly and not beat on it when the trans is cold.

The main reason is of course, the complete lack of air flow to the area now from intercooler, piping, and assorted turbo mess.

But thats good to know that they work well on trucks that get the crap beaten out of them I plan on getting the thermostat controlled ones.

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post #4 of 9 (permalink) Old 01-17-2013, 09:44 AM
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Are you adding a trans temp gauge to keep an eye on it?

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post #5 of 9 (permalink) Old 01-17-2013, 09:45 AM
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Re: Trans Cooler with fan

I still have that B&M trans cooler w fan never been installed sitting in my garage. With all the fittings but the lines. LMK if ur interested.

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post #6 of 9 (permalink) Old 01-17-2013, 10:20 AM Thread Starter
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Quote:
Originally Posted by Mystery Bird View Post
Are you adding a trans temp gauge to keep an eye on it?
Yup, just gonna stick in the pressure port again.

Una salus victis nullam sperare salutem

If it ain't ARP, it ain't right.
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Originally Posted by sweetbmxrider View Post
I have a heavily modified lt1.


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post #7 of 9 (permalink) Old 01-17-2013, 10:24 AM
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Quote:
Originally Posted by R3DLT1 View Post
I still have that B&M trans cooler w fan never been installed sitting in my garage. With all the fittings but the lines. LMK if ur interested.

Sent from my SPH-D710 using AutoGuide.Com Free App
If he is not I might be.

http://www.youtube.com/user/MysteryBird1?feature=watch
1995 TA: Converted Nose...381 LT1...4L80E...12 bolt...3.90 Gears...4000 TC
Best 1/4 10.78@ 124, 1.46 60ft, 3450lbs.
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post #8 of 9 (permalink) Old 01-17-2013, 10:25 AM
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Quote:
Originally Posted by ShowNoMercy View Post
Yup, just gonna stick in the pressure port again.
Put it in the pan man, where is should be.

http://www.youtube.com/user/MysteryBird1?feature=watch
1995 TA: Converted Nose...381 LT1...4L80E...12 bolt...3.90 Gears...4000 TC
Best 1/4 10.78@ 124, 1.46 60ft, 3450lbs.
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post #9 of 9 (permalink) Old 01-17-2013, 10:27 AM
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Quote:
Originally Posted by ShowNoMercy View Post
Yup, just gonna stick in the pressure port again.
Seriously? Just do it in the pan. You have far too much into this thing to do that.

Where are you sticking the cooler?


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