Originally Posted by roadpig2001
I may have to go onto the threads. I may try a 1 1/8" stem with a 1" adapter sleeve ,that should isolate the stem from any damage from the threads. Thanks for the info.
It's not about protecting the stem, it's about protecting the steerer (and you of course). As Retro Grouch said, the threads are the weakest point of the steerer. If it's ever going to snap as a result of this operation, it's going to snap there.