ok, i have a little electric 4wheeler, i want to take the gear drives and wheels and stuff put it onto a metl sheet and hook a nitro engine to it, and take the steering of it and out it n too, but i got one problem with the engine, i dunt have bearings in it, i also dunt have alot of compression but i can still start it, just can i start it without the bearings?what will it do if i do?an how long can i run it like that?