Reply to "What's the story of prototype #01025?"

Not surprising, Espen, since we already know the upper subframe rails are built differently than in the production model. I suspect that pushbutton frames front & back are different in a number of areas. One owner tried to fit the alloy fuel tank from a pushbutton to a '72 some years ago, and he spent more time cutting & rewelding the alloy tank to make it fit the later car's subframe, than a properly built new alloy tank would have cost.