Originally Posted by Roelof

Why are you starting topics all over the place? If it is about your Savage it is a monster truck so there you can drop all your questions but you have them also in the onroad and offroad section.....

If you have an engine w/o a silicone prop in the crankshaft then you can safely use WD40, it is used by many drivers and even RTR brands like Traxxas. Marvel works also OK (use it my self)