RE: Test or Winny?
IMHO, go with the test bro, and up it to 500mg/week if using enanthate, or go with100mg prop eod.
If your running a reasonable dose of T3 then expect muscle loss even at this dosage.
50mg of winny will not be sufficient to offset catobolism IMO (or rahher experience).
"You gotta eat big to be big!"
6'6"- 270lbs - 19.5" arm