I have an old early 60's model bus and has a 427 ford motor in it and it runs. But I was told that the original motor was taken out and replaced with a 427 out of a regular truck or car. I am doing a s10 v8 swap and wondering if this would be good to use or what would it be worth if better to sell. The motor has been in the bus out of the rain( like someone keep it in the shop) thanks for your help....