Head wind lighter or heavier?

BMKN

Just curious about head winds, I'm pretty light for my height, 5ft 10" 10st 7lbs I can fly up hills until my fitness stops me, I am a great sprinter usually hold 45-50kph for 1km sometimes more depending on wind direction, I suck at head winds I don't seem to have the power in my legs, some guys on aluminum frames in casual clothes pass me out, not that often but it happens, they look bigger than me in terms of weight, but they fly into a head wind no bother to them, I sometimes even have to give up and turn home, So my question is, is a heavier person better at battling a head wind than a lighter person if they were the same fitness and same bike same course?

sungod

your light weight *may* give you a power/weight advantage on climbs, but on the flat it's all about power and aerodynamics

assuming similar aerodynamics, a heavier more powerful rider will be able to go faster on the flat, wind or no wind