Dennis,

All the GMC 6 cylinder engines have the high-pressure oil lubrication system (insert rod and main bearings).

Here is some information on identifying the year of your 248 engine.

Here's some information on what the "E" preface on your engine serial number.

Tim


Tim
1954Advance-Design.com
1954 3106 Carryall Suburban
1954 3104 5-window pickup w/Hydra-Matic
The 216 and early 235 engines are not "splash oilers" -- this is a splash oiler.