This.
Also an old guy.
ZFG is plenty safe. You don’t have to push it. ZFG will tweak it to your preferences, and still be quicker.
I have run a bunch on various EB vehicles over the past 6 years. LMS, HyperTech, BCB, 5Star, and now ZFG.
I used LMS(Look at that...alphabet tuner) for over a...