idles, but won't push up into higher rpms...help!

Reuben Mahaffy /
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I recently attached a 70cc airsal kit w/ technigas and 16/16G dellorto carb to my '01 targa. Upon starting it up, i've found that it will idle ok, but applying any pressure to the throttle will at first render a small RPM increase, but then have no effect. I've checked the carb twice over, and even tried it with the stock carb with no change -- ruling out a carb problem. One thing that did happen was when installing, i broke a piston ring. When the new ones arrived, one of the new ones was slightly larger than the other two -- i didn't put the bigger one in for fear of it binding, but should it be on the top one? Do the symptoms sound like a loss of compression due to this? Any suggestions/insight would be appreciated,

Thanks.

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