My son has 1970s RamCharger 4x4. It currently has a 401 engine in it. He is intrested in swaping it with a slant 6.He dosnt have a computer so if I dont word this right foegive my lack of knowlege. If anyone can give us any tech. advise we would much appreate it.He has not been able to find any tec. help.Dealing with such a swap, TNX