1515Blue
If we were only looking at the ability of get off the runway the higher thrust rating would give the greater takeoff weight on a fixed runway length.
But we also have to look at aircraft controllability in the form of VMCG, if the higher rating requires a VMCG of say 135 kts, the aircraft weight must be reduced to a point where the aircraft can accelerate to that speed and abort. The actual takeoff weight must be the lower of these two weights.
If we then use a lower thrust, say 10%, the initial takeoff weight would be lower, but in this case we only have to achieve a VMCG of say 129 kts, so this weight may be higher than the VMCG limiting weight for 135 kts.
So the final result if that for a lower thrust rating you get a higher takeoff weight! This obviously depends on the runway length and surface condition.
Make sense?
Mutt