hi everyone ,new to the forum.just traded my wife's 98 3.8 firebird for a 74 dart swinger 2dr with a 73' 340,904 and i think a 8 3/4.car was setup to be a bracket racer.i have a lot of recipts with the car,about a book!,trans and rear diff were done by mancini racing with moser rear axles.seems...