That will become a disaster with bon ami Take an engine apart after the dusting you will get an eye opener . You may as well drive down gravel roads with no air cleaner!! read this
Bound to get the reply It worked for me . Did it in 1950 duh.
Find a engine parts mfg that agrees with with bon ami .They burn oil for a reason fix it.
Well the reason you shouldn't run a new engine unloaded is because the rings don't have any back pressure, and thus have a tendency to glaze the cyl. walls. It's best to put a load on the engine as soon as possable. Damage to the cylinder walls depends on the type rings and the method used to finish the walls. It's just not a good practice to run a new engine unloaded for long periods of thie.