safc on a 88 crx

Hey guys I am just wondering how to tune my safc2 on my pretty much stock 88crx MPFI...I know most of you don’t like that type of fuel management, but hey I got and I just wanna tune my car a little bit better...what is the avg percentage to take off or add on...with the a/f...I did the search and the only thing I saw was for turbo charged d16's I think I was 45%...now I am wondering what’s the best for a stock d15 MPFI...I don’t have a wide band so I just need to get into the ball park of how to set the safc2 thanks for any advise or any suggestions