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I have though about getting kpro and tuning for mpgs, but it is fairly expensive. you would bebetter off first dropping your tranny and adding a 6th gear from the acura tsx. It takes your rpms from 3500 at 65mph to 3000.
search on ephatch.com and you should find the howto. If not, pm me i have the url on my work computer.
Also for those of you questioning the k20a3 as an i-vtec engine, it is. Vtec is simply valve timeing(and lash) electronically controlled. The intake side has a high and low cam profile. The exhaust does not. Honda did this to tune it for economy and emissions. At 2200 rpms the vtec solenoid locks and both valves operate on the higher cam lobe. as for the i it simply stands for with inteligence which is what honda calls it when they ad the variable camshaft angle. So a k20a3 is an i-vtec engine. It is designed for economy and lower smog emissions. Plus it says ivtec right on the side of the ep3 in vinyl decals lol.
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