that is pretty cool with the step van. you are going to have to narrow the front cross member/engine cradle to get the correct track width for the 39. also a bbc will probably be wider than the frame rails with the exhaust manifolds on.
I too like the dually offset wheels on a real truck, i think they look the best.
1937 GMC T16 468 BBC th350, 4.10
1941 Dodge COE 5.9 cummins, 9 speed roadranger
1947 Diamond T COE, hercules and 4 spd, all original
1955 Chevy LCF 9.0L IH diesel AT545
1962 Corvair (Elsie)
1967 Jeepster Commando
1968 K10
1970 Chevy C50 box truck
| 
