..I'll give it a shot. This old engines never did have an abundance of oil. If you'd like to crimp it a little I think you'd be ok as long as "sufficent" oil available.
Not sure about your 248 but I have seen the tube your speaking of in a vendors catalog... but don't remember which one. Take the to check out several of the vendors...or call them.


1937 Chevy Pickup
In the Gallery
1952 Chevy Panel
In the Gallery
More photos
1950 Chevy Coupe
Pictures!

I'd rather walk and carry a Chevy hub cap than ride in a Ferd.
I can explain it to you, but I can't understand it for you smile