Looking to tune a 98 Ford 4.0 ohv engine
So I got a 98 ranger 4.0 manual tranny EEC-IV computer I believe, I've been doing modifications to it for a while and want to start tuning it. Everything I can find online is recommending things that aren't available anymore. Best I can find is the sct x4 7015, I found one on marketplace I can get tomorrow that's unmarried and has 5 left. What I'm really struggling with is finding someone to actually tune it or a software to do it myself that isn't 400 bucks and requires a license. There's a few shops around that said they would tune it but they cant do anything with the sct device and I would like the ability to switch between stock, street, and off-road tunes. Lots of the shops around me think they are too good to mess with an old ranger and "only work with performance vehicles"
What are my options