Making it a better driver

Smoking on startup is more likely to be valve guides. Does it also give a puff of smoke when you lift? Treating her for sticky rings is a good idea as well. For that my number one suggestion is Mercury PowerTune

http://www.amazon.com/dp/B002SSMGRC/?tag=joeychgo-20

You just pull the plugs, spray it in, replace plugs. It foams up like shaving cream them melts down to liquid and penetrates well. It will easily break up carbon and free the rings.