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  1. 4R70W vs 5R55S?

    Factory Five Roadsters
    Hi everybody. I'm looking at an auto trans build with a coyote 5.0 with a start date in late 2011. I have seen that a bunch of people have used the 4R70W for different builds, but I was wondering if anyone has experience working with the newer 5r55s? I happen to have one laying around so I'm...
  2. 4R70W Transmission Identification?

    Factory Five Roadsters
    I've decided that with my long legs and big feet, I'm never gonna be able to throw a quick shift with a standard 5-spd so I've decided to go with an automatic for my next build. My research so far says that the best setup to put behind my 351W is a 4R70W transmission out of a '99 and up 4.2 V6...