After fooling with motorcycles for years, Im foolin with my first street performance car. Starting with 78 Elky...the 350 was swapped with a 305 so im building a 383...have a 12 bolt rear that a guy had in his G body...complete with the southside Machine kit...and got a rebuilt th 400 from my father in law.....now if i can figure out how to swap it all ill be golden !! Any tips on the tranny swap would be greatly appreciated !! Ive found this site to be very helpful !!!! Thanks for a great site!