I ended up doing a more major change to try and gain more room for our legs and feet. I still have to make some more minor changes however I have gained about 1-1/2" at the accelerator pedal location due to the change and some room further back. I have a TKO600 transmission so its thin at the back end but the bell housing is still thick at the front. Some more minor changes to allow for clearances so the tranny does not rub anywhere and we will be done.
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The challenge is still how to run the wiring and seal it up afterwards. Going to pick up a variety of rubber glands that we may be able to use to try and keep it as clean as possible.