injector change

[rrab1]

I am thinking about going from mach 1. 5 to mach 2's and my question is, will my stock turbo do the job and how many times can you change injectors before you need new valve cover gasket and cross over tubes. When I tow I'm 12,000 plus. Thank's Don

 

[JCutter]

so far ive changed out inj. 4 times and have had no problem.