I found one of those road draft tubes with the filler cap on top and installed it yesterday afternoon. Fit like a glove, and adding a quart of oil was real easy. Thanks for the solution to my problem Jerry and Tim!
Chuck 1950 Chevy 1/2 ton (all original) 1951 Chevy 1/2 ton (future streetrod) 1941 Chevy coupe 1938 Chevy coupe streetrod