Who built your 4L80E? Recommendations?

[BR3W CITY]

Jakes, Monster I've seen used across forums for years. Most aren't doing anything different than each other, its mostly parts selection and pricing. I do know that Jake's was the go-to online place for the 60/80e overdrive crowd.

I had mine done at a local shop, just make sure the place actually rebuilds transmissions...there are a number of "transmission" shops that just do junkyard swaps and converters etc.