Originally posted by republic
Didn't expect the responses to be so vehement...
I hadn't considered someone constantly re-upping to get a higher performing engine.
Wasn't all that vehement actually. Seen threads go way further downhill much faster

To put alittle perspective on it though, the whole point of the wishlist is to post ideas and let people shoot holes in it. Don't take it personally, the supposed goal in hear is to keep it all balanced between the gamey rules lawyers, realism nazis, trolls, and make it fun for everybody.
Your idea itself isn't all that bad, but imho, there's better implementations. I'd be much more fond of degrading engine performance once your WEP period is exceeded. Instead of simply making it a complete on/off proposition, allow it to run past the timer at an ever increasing risk of engine degradation all the way up to total failure. Overall, I think it would have the potential to increase the duration of fights, with consequences. The downside I see to it would be that after losing your oil, it'd be more dangerous trying to manage engine heat when limping home. Let it get too hot without being able to glide for a bit, and you'll have even less power available to get you to base. Also, non-WEP aircraft would gain zero advantage, and only receive punishment for engine heat.
Pros (assuming speed does = life):
Gamey people could fight longer
Furballers would get to fight alittle longer
Appeases realism dweebs by adding an element to engine management
Would still be a simple system for newbies to grasp
Cons:
Damaged flights home potentially more difficult
Non-WEP aircraft receive 0 benefit, while still suffering from more damage penalties.