They did do 70 damage to their 50 shields though. Really it's hard to compare tank damage because of the way units path and clump in this game compared to BW, Speedlots were very good vs tanks in BW though (we did have vultures and wonderful mines to counteract this though)
Even the smallest donations help keep sc2sea running! All donations go towards helping our site run including our monthly server hosting fees and sc2sea sponsored community tournaments we host. Find out more here.