Yeah
 

Okay, that makes sense. I spose I'll leave everything stock for now until I swap the engine or if that seems to distant if I go for the hf mpfi swap. I doubt going to manual will make any difference in exhaust needs.

maybe get a cheap intake and
 

maybe get a cheap intake and a cheap exhaust such as kteller if you want alittle better power. check site below for pricing.

someone correct me if i cant post that...
or if youd want me to become an "official" sales guy here. this is my site www.fox-stock.com

ill remove this if its not allowed.

.
 

I'll will do some tests and see my mpg with the stock intake vs. my homemade cold air intake. (it might take a few weeks)

i would hope that you could
 

i would hope that you could do tests based on i/h/e v stock stuff, but that probably isnt feasable.

also remember that nearly every intake etc are different.

intake dynos for a zx2
 

This site dynoed a bunch of intakes for a ford zx2. They all showed a gain of hp in upper rpms. but i guess you want gain in lower rpms for mpg.


https://www.zx2racing.com/shootout/data/data_chart.htm