Next question....fuel system
The engine came w/ an '05 intake and returnless fuel rail. I didn't want to use the 'spensive corvette filter/regulator.
So, I just swapped on a return style fuel rail.
Is there any changes that need to be made to the tune for this?
I don't know enough or how to tell if an '03 (or the os I'm using) was return style or returnless style.
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