Allison 6sp: standalone trans cooler

pmason92

pmason92

Member
Dec 2, 2012
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Anyone bypass the radiator and put a standalone auxillary transmission cooler vs the stock setup or ppe? If so, what route did you take and where did you mount?

Also curious what psi is my allison 6sp is pushing stock ans built?
 
D-MAX Mafia

D-MAX Mafia

Hood down, smoke up!
Nov 4, 2009
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I bypassed it and went through the stock trans cooler. No issues to date after 2 years. I should add that I'm running a custom bumper with an air ram that pushes a lot of air to the trans cooler. 210°-215° is the most I have seen.
 
Mike L.

Mike L.

Got Sheep?
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Vendor/Sponsor
Aug 12, 2006
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Fullerton CA
pmason92 said:
So a remote mounted trans oil cooler would be good if it had a fan that ran all the time?
Click to expand...

There is no airflow below 35 mph so a stand alone cooler cannot handle the low speed heat. It needs the radiator heat exchanger to do the initial heat knockdown. You might get away with it if you don't do any heavy stuff.
Putting fans on a stand alone will help a lot but it must be on all the time. If it's not it will block air through the stack. If you wind up doing this, use the fan as a puller as it is more effective.
 
sweetdiesel

sweetdiesel

That's better
Aug 6, 2006
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D-MAX Mafia said:
I bypassed it and went through the stock coIr. No issues to date after 2 years. I should add that I'm running a custom bumper with an air ram that pushes a lot of air to the trans cooler. 210°-215° is the most I have seen.
Click to expand...

I tried that and it never worked. Fact is nothing cools better than water.

Chisled racing made me a custon ice/water trans cooler and for racing it rocks!120 max

Mike L never mentiond staging, that is hard in converters and heats the trans fast!
 
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