I would whip the rocker covers off as well and give them a good dose of oil, also drain the old fuel from the carb, this might help show points that need lube
https://www.lycoming.com/sites/defau...20Assembly.pdf
also read
https://www.lycoming.com/sites/defau...20Aircraft.pdf
I forgot to add, if you spray oil in the cylinders and let it soak in for a while, remember to take the lower plugs out and turn the engine over by hand to drain them, you do not want a hydraulic lock