Transmission Aux cooler help
I want to improve transmission cooling on my 4L80E equipped Chevy 3500. The factory aux cooler installed is 11"W X 5.5"H X 1.5"Deep. I have a quality HD cooler I removed from my MH that measures 11"W ...
Forum Discussion
Jerry,
I put a 16 pass stacked plate in my 2500hd 4l80e trans. I Still have the output from the trans go to the radiator first then to the stacked plate cooler and then returning to the trans.
It's big - like 10 x 12 x 3/4". I removed the factor cooler (not stacked plate) and then made some steel brackets that mount to the front metal bracket where the OEM was connected. I relocated the Temperature sensor and PFM (pure frigging magic) it's installed. Mine has an electric fan that I run when I know I'm going to be climbing.
When on flat level ground - 190 (same as my coolant temp) when climbing, it gets up to about 210 - but only as long as I'm climbing. As soon as the engine cools, the trans temp starts to drop off and cool back down.
Not towing, i'm usually under 140 on flat level ground.
I put a 16 pass stacked plate in my 2500hd 4l80e trans. I Still have the output from the trans go to the radiator first then to the stacked plate cooler and then returning to the trans.
It's big - like 10 x 12 x 3/4". I removed the factor cooler (not stacked plate) and then made some steel brackets that mount to the front metal bracket where the OEM was connected. I relocated the Temperature sensor and PFM (pure frigging magic) it's installed. Mine has an electric fan that I run when I know I'm going to be climbing.
When on flat level ground - 190 (same as my coolant temp) when climbing, it gets up to about 210 - but only as long as I'm climbing. As soon as the engine cools, the trans temp starts to drop off and cool back down.
Not towing, i'm usually under 140 on flat level ground.
