the engine block is the same basicaly just motor mount posistion is been changed.as posted use the 71 duster street machine engine parts with the block from monogram challenger t/a and you can build what you need
yeah wish i could have stayed for the whole show but the snow s.;''/.ked and i had a 5 1/2 hour drive back home so i didnt chance it.. but was nice to meet kj and pic up some parts from him. and parts from gw trucks