Interchange question

33IMP said
Agree. No a body m-code with a stick or dana. 727/8 3/4 only.
A body spring perch 43", narrow b body 44". The later b body, c body etc., i would have to look up.

Ok, so the correct measurement for an a body, in this case a 69 Dart, is 43" center to center?

Thanks,
Wayne