Flame Orb won't help much since it still lowers attack.
Either that's actually true or they probably need to fix thatSerebii.net's Main Site said:Guts
Game's Text:
Ups Attack if suffering.
In-Battle Effect:
Attack raises to 1.5 times the normal when induced with a status (Burn, Paralyze, Sleep, Poison, Freeze). Burn's effect of lowering Attack is still applied.