Right side exhaust header has a non threaded hole on the top. I've read these are used for choke controls on the carb. Do I need to plug it as the engine seems to run fine without it or add a choke to the carb (Rochester 4Jet)? the exhaust still has the heat spring valve attached. The engine...

Thanks to Dave Wonsey... I now have clearance on my steering box from the Patriot 3/4 Length Headers. You loosen the steering column mount bolts under the dash and in the engine compartment, Loosen the top steering box mount bolt and both lower bolts, take off the nut and washer on the bottom...