Thanks for the write up! It was very inspiring! Since I have the big block powered truck with the 4l80E I decided to step up to the larger B&M 70274. To get that monster to fit all I had to do was shift over one mounting hole and then drill a new hole for the bolt on the right. I drilled the hole just a tiny bit high to tilt the cooler out of the way of the center latch support. I haven't fabbed a top support yet, but once that is done I'll be able to go on a drive and see how my tranny temp is effected.
Side note: I did have to cut a small corner off the lower valence for driver side (right side of the picture) adapter to fit
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