[RALLY]

Originally Posted by Steve Shauger

Brothers amazing collection of popular Mustangs, and topped off by the Boss 429 Semi-Hemi!
http://musclecaroftheweek.com/index....rd-muscle-cars

Steve, Why is it called a Semi Hemi? I thought the BOSS 429 was a hemi head engine competing against Chrysler Hemi engine? I know the Chevy BB Engines were called a semi hemi at the time. Again 429 Boss had a hemi Ford correct? Thanks Rally