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withered_preacher
not that it makes much difference in the end, but:
the 757 means the top and downtubeare 0.5mm tube with 0.7mm butted sections at either end. the chainstays will not be this.
5-8mm of dimple is a lot. I mean the cross-section of the chainstay will be probably no more than 16mm as originally designed.
Sure, it's possible, but buy a new frame.