How about a trait for Pathfinder?
Percussive Maintenance
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Sometimes hitting it harder is the way to fix it! Benefit: You may use your Strength modifier when making Knowledge (engineering) checks instead of your Intelligence modifier. |
Thoughts?
Daily Punch 12-5-16 Percussive Maintenance trait for Pathfinder
Throat Punch Games 
simple, when you are out of grease, just hit the squeaky wheel till it works dang it. But seriously it is a good way to fill the gap in a group and find a way to modify the situation other then violence. but again we are talking about STR so Violence will happen.