Tractor 65hp Snow blower gear box safety bold shafts spine stripped( strange bolt did not break) and would of needed a new gear box so i welded, seal behind weld has no oil and tight bearings so thought frig it, did not take chance and got a pro to weld it but noticed made only 1 pass , should i leave it alone? lasted 3 storms so far, We drilled a hole and filled aswell, i'm thinking of drilling another hole and filling 180 degree off,. My question first weld in a circle for penetration? how would you handle this , thx hi... long time i have not been here