Originally Posted by
j_blaze14
what is the coating on the crank? except for the crank and head that looks like my grenade, they have been out almost 6 months. great motors.
your caster grenade is made by GO engines so that's why it looks similar, I believe I read somewhere that the Grenade is a Gen 4 GO 5 Port, the GX line of engines end up being Gen 6 , but called GX, I suppose.