Value of a 340

My dad had a 67 can am cuda, he traded =iteven for a hemi roadrunner(he needed a spare engine for his pro duster inearly 70's). The kid and his dad came to pick up the cuda, the kid lost at everytake off. They brought the cuda back to the house and trailered to their house. That said brought the two cars with two engines that wereprobably chryslers best