Need info on 251 engine

[Wpns 421]

I had the engine in my M37 rebuilt in Hull at a small garage that rebuilds engines. I have all the pistons etc. If you need parts the best place to call is Vintage Power Wagons in the US they have absolutly everything for the Dodges. Yesterday I called them and ordered new spark plugs for the M47 and M43.
In my M series vehicle I use a special oil sold by Stinson Fuels, it is a 15W40 oil designed for older type trucks it is design for older type engines to compensate for higher RPMs while having the viscosity and durability of newer diesel engines. My salesman sold told me this, so I bought a couple cases and use them exclusively on the M37, M43 and especially the Iltis.
Michel j'ai beaucoup de pieces pour ton camion. appel moi si tu as besoin de quelque chose. 819 827 4361 Gilles