Chrysler used the designated E-Body platform for two separate car ranges.
One was used for rear wheel drive cars in the 1970s:
1970-1974 Dodge Challenger, 110 in wheelbase
1970-1974 Plymouth Barracuda, 108 in wheelbase
The designation was also used for an extended version (hence "E") of the front wheel drive Chrysler K platform during the 1980s:
Please see our Classic Cars, 1980s section for these vehicles.