I had them set at the same time I had the one injector replaced, probably around 115,000 miles.
I should do them myself but I can't lean over the fenders on this truck motor now like I use to be able to do several years ago
I remove the slide off front end off of my S/P tube chassis car now so I can do a leak down test and set the valves easier than leaning over the fenders
Work Smarter instead of harder, correct I'm trying to learn that lesson and practice it every day