Thanks for the info.
That is exactly what I had been looking for.
As usual the more I learn the less I know.
This opens up many more questions.
Time to get the tape measure out and do some checking.
Initial measurements indicated that both had about the same track width at 62-62.5 but measuring was under less than ideal conditions. The '71 setting in the tall grass with flat tires didn't help and measureing the rear of the AD assuming the front would be close probably leaves some room for error too.
Any way this sounds like a reasonable option since I already have the donor.
