I have a couple of 26/6's on my bench. I would need to see a picture of your 26/6 for exchange. And a description of problem. But can get you a turbo promptly. Have sold a few outright on the bay. 100% feedback sell and buy.
Go here:
4451 ASR - Turbo And Wastegate
I'll send you a PM..
Jeff Lemons
4451ASR.COM