Kir-ir-Bannog
...no ordinary rabbit
Heckelgruber said:+1.
Massive chunky strings are fine and can give you great tone if your fingers can handle it, especially the bending. A lot of blues guys favour the fatter gauges - I believe Stevie Ray Vaughan had his Stratocaster set up with 11-52s rather than your hybrid 10-52 configuration. His Strat has a longer scale length, which increases the string tension even further.
Your guitar is kind of like an equation between neck tension, string tension and tremolo tension (if you have one) - all these things need to be kept in equilibrium or the guitar starts to play badly, with buzzes, poor intonation and notes sounding dead/muffled.
Take it to a shop, it'll be like buying a new guitar for £20!
mate, you're a diamond, thanks for all the advice.