Can you have too large of a trans cooler ??
So I was walking out of my local wrecking yard, when I saw a truck with a nice aftermarket trans cooler just sitting there (front grill removed, easy access).. So I pulled it off to add to my kia.. Th...
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I put the largest cooler I could fit behind the grill of my duramax, the Allison has no problems shifting summer or winter, and the summer temps are 15-20 degrees cooler, when it heats up (extended climbs) it cools faster on top. I don't run where it is stupid cold, but 0f empty it has no problems.
