6970m performance very low, PCI-e Bandwidth is x1 1.1

I own a G73JH modded with a 6970m. The mod went off without a hitch, card runs at acceptable temps, but my performance in games is very spotty.

For example, in Dishonored, I play at max at 60FPS, but every three or so seconds, I get a sudden drop in FPS, and it's bizarre.

The only thing abnormal that I could find is that GPUz reports my PCI-e bandwidth as x1 1.1 instead of x16 2.0, like everyone else who did this mod.

I can't figure out what might be causing this, and I hope you guys can help. I'm at my wits end.

Here's a screenshot of GPU-z


Also, when I turn off power play, the clocks go down to 100/150, but the PCI-e link goes up to x16 1.1 I actually get better FPS on the built in GPUz renderer with the low clocks and high bandwidth than I do with the low bandwidth and high clocks.

Any help would be appreciated :)
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