Van's Air Force - Western Canada Wing
Van's Air Force
Western Canada Wing
Please make only one selection at a time.
Support this site with a donation...

Engine Storage and Pre-Oiling

Eustace Bowhay  Blind Bay, BC

Assuming the engine was properly inhibited and was stored upside down with the cylinders well oiled before hanging, all I would do is keep the dehydrator plugs in good shape and avoid turning the crankshaft until ready to start it.

Then just before starting it pre-oil it.  Remember pre-oiling does not lubricate the cam lobes and lifters so cranking should be kept to a minimum.  With clean dry plugs and properly primed it should start in the first three or four blades.  As soon as there is an indication of oil pressure, go to 1000-1100 RPM to supply some sprayed oil to the cam lobes, lifters, wrist pins, and cylinders.

A simple and inexpensive way to pre-oil is to install a suitable steel fitting where the plug is above the left mag in the area of the oil cooler fitting.  Then, with a new one or two gallon size clean garden-type pump up spray can, connect to the fitting in the engine and run at least a quart of warm oil into the engine.  Then cap and safety wire, and start the engine.

This fitting will now be available to pre-oil anytime in the future and will require nothing more than the removing the top cowling and connecting the spray can.

It will take a bit of innovating to rig up the proper connections for the pump up can.  Be sure to use a steel fitting in the back of the engine-the proper one to accept a cap.  A tip on rigging up the spray can:  either replace the hose from the can with another hose if you want to save the spray nozzle then using another piece of hose insert a piece of aluminum tubing in the end with a flared end and the correct nut to fit your engine fitting.  By saving the hose and spray nozzle you can use the spray can to wash the engine down with varsol.

Ideally pre-oiling should be done anytime the engine has been idle for more than thirty days.

A member of the
Web Standards Project

Support free speech.
Built on...
Linux Logo

Van's Air Force Western Canada Wing is not affiliated in any way with Van's Aircraft Incorporated. Western Canada RVator is not a publication of Van's Aircraft or any other corporation. All products reviewed or mentioned are not necessarily recommended for use by RV builders, but are described for information only. All builder's tips are presented only as a source of information and a forum for exchange and the sharing of ideas and construction methods. No responsibility is assumed, expressed, or implied as to the suitability, accuracy, safety, or approval thereof. Any party using the suggestions, ideas, or examples does so at his or her own risk and discretion and without recourse against anyone. The members of Van's Air Force Western Canada Wing, the editor of the Western Canada RVator, and all authors and contributors are not responsible for any product or builder's tips misuse, incorrect construction, or design failure, nor any other peril.

All material on this web site is copyright Van's Air Force Western Canada Wing, or copyright the attributed author, unless otherwise noted.

For comments or suggestions on this web site, please write to