Putting a 4r70w transmission in the bird.  Wondering if anybody has  gone down this road before.   Are the FPA headers worth $975, and will they fit with this tranny and adaptor setup?  I think Sanderson are the only other option, at about $400.  Any ideas on how to modify the floor shifter to work with the 4 speed?  I have looked for a build thread on this swap, and haven't found one yet.

If anybody has a set of the FPA they want to sell, please contact me.

Thanks

Paul