older 10hp tecumseh engine hm100-159252L that's on a 5000 watt generator, horizontal shaft. the motor is typical 80's single cylinder and has breather tube sticking out side of block with 3" long black tube facing downward. the thing uses oil, and tends to make a mess on itself after running 5-8 hrs blowing oil vapor out the vent tube. I suppose it's mostly normal, the thing runs great otherwise. but i was thinking of putting a 5/16" barb on the vent tube and extending with fuel hose to the carb air filter cover so the carb pulls in the vapor and everything is cleaner. looking for thoughts if it's a good idea and what i should watch out for. i'm guessing i shouldn't plumb it air tight so it doesn't suck vacuum in the crankcase? should i drill a small hole in the upper part of the crankcase as an inlet vent tube?