Adjust the truss rod and you’re done! You have no way to know that your relief was ever the same as it was when it left the shop because necks can change relief due to climate. Learning how to measure and adjust relief to the proper spec is the only way to make sure you have the intended setup. Just don’t touch the bridge saddles and you’ll still have the fresh from the shop magic intact.
The heavier gauge and even higher action could be responsible for the tone change you are enjoying. And chromes are a unique sounding string.
The heavier gauge and even higher action could be responsible for the tone change you are enjoying. And chromes are a unique sounding string.