B&S 13.50 torque horizontal Model 201332 0164-B1 080321YD Mounted on a small Bearcat chipper Carb has never been off. I think it just needs cleaning. Can't break the carb loose off the manifold and studs. Have tapped it kind of hard with a brass hammer, and cut wooden dowels to try to tap it loose coming from the back side. Hasn't budged. Afraid to put any more force on it. I have removed the shroud and recoil by trimming the shroud very slightly to get it past the float bowl and off of the engine. Gives a little more room to work. Any suggestions to get the carb loose? I kind of hate to double nut the studs to remove them when you can't see the metal at the other end. Have never had to do that before. Anybody had this problem before and have a solution?