here's what he said about the transmission and making it fit.
Seeing that GM does not make an LS7 for FWD cars I had to have a custom billet block made. Dart Machine made my block. It is a wet sump LS7 block just like in the corvette's (however I think they are all dry sumps for ground clearance purposes) only with a transmission bolt pattern that will mate up to the 4T65E-HD FWD transmissions that are in our supercharged 3800's and the LS4 V8's in our cars. A stock LS7 can be bolted to our transmissions with adaptor plates but there just was not enough room in the engine bay even for the added 1" for the adaptor - so the logical thing to do was make a block that would work.