I am the same as Luki. Although I haven't done a delt cycle but they are generally an easy muscle to inject and I haven't had real pain from arms and calves (syntherol) so you should be fine. My aas is pretty much pain free but in higher amounts (plus some short esters) it can sting but syntherol is nothing for me. It's contains very little solvent so you shouldn't have any issues. The one issue guys have especially with delts and glutes is they are so easy to do that guys (me included) inject all their aas in those muscles year after year. I don't know how experienced you are but I would recommend rotating sites with aas shots just so muscles stay relatively fresh and you avoid some of the issues many of us have later on. I can still inject my delts with no major issues but it's definitely not the same after hitting them with AAS so many times over the years. I have done a few syntherol cycles in my arms and when I inject them now I have no issues ever. AAS with the additional solvents can be different and hitting the same spots over and over can cause issues over the years. It's still possible if someone abused syntherol (or any compound) as an injection even if just a needle with no compound causes scar tissue but as injections go it's extremely smooth.
Sounds good. I am interested how you get on with the increased calories. You are going to mutate