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First off, you will need bigger injectors, but 36 or 42? I have the 42's, but that was to let the excess fuel work towards cooling the charge. You have an aquamist for cooling so who knows? It sounds like time for you to have a custom chip burnt. How much boost are you getting with the 2.6, and how much from the 2.3? Secondly, remember that you NEVER want to work your injectors so hard they go to full (static wide-open). They lose the ability to spray and just dump fuel so the mix becomes uneven. I think you need to calculate what injector will do the job at no more than 85% capacity, so bigger is better here. (a custom chip won't let them spray too rich)
 
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