I have a B16A head OBD-0 with B20B block milled 0.03 My current set up now is only basic i/h/e with MSD SCI ignition and PS91 Crane coil and everything else is stock. My question is I'm thinking to get AEM UEGO Air fuel ratio and VAFC II (I know hondata is better but no one sell it here in my country) Also there are no dyno in my city either. Do you think I will make a noticeably difference in performance?How many HP approx I'm looking for? I use 94 octane gas. And I have around $600 to spend. Any ideas if I should go this path or any other suggestion? Thanks.