An informative link from HP academy. They also offer tuning courses and have a plethora of knowledge. I think its money well spent for most people getting into owning a performance or boosted car by educating themselves for a few bucks. You can decide to tune yourself after you have a full understanding on everything or know what your tuner is doing with your investment.

https://www.hpacademy.com/technical-...zzmxScrXNgmqL4

A reputable tuner will have hours into a base map for different injectors and more then likely the car will start and drive well. You can also choose someone based on the results they have. It may be expensive but tuning plays an important role on how the car lives and drives.

 

Helpful video on timing advance.