Originally Posted by vstech

116 body SD- 3.07
126 body SD up to 84 - 3.07
123 body wagon from 81-84 3.07
123 wagon from 77 to 80 3.46
123 body sedan/coupe 300 from 77-81 3.46
123 body sdean/coupe 300 from 82-84 3.07
123 body 240D all years, and transmissions 3.69

123/126 300XX 1985 2.88

gassers have all kinds of crazy ratio's from 2.24 or so and up.

all the pumpkins from the above years are interchangeable physically.