I have an'18 eco-diesel and a '93 W250, I am in the process of upgrading the '93 and I will be happy with the results. The thing you must keep in mind is you can build these older trucks to compete with the newer trucks(adding hydro-boost, bigger turbo, injectors, air bags), might not be apples to apples, but you will have the power to tow but no payments.
Mopar or no car MoPar=Massivly Over Powered And Respected!
'93 W250 Ram '68 Charger '67 Coronet 500 my steet/strip rod-now a 6BBL!