D Dadio New Member Joined Jun 12, 2017 Messages 1 Karma 0 Car Studebaker e-series pickup Jun 12, 2017 #1 Just bought a 55' Studebaker pickup but was told it has a Chevy 350 small block. Need to confirm. The number on block toward rear of engine is 3927184 GM 6. Any help? I also want to change the oil but unsure of the weight I should use. Thanks!