[70cst]

Originally Posted by special-K

Well,most trucks had solid masts and GM made one antennae for all applications. Since AM uses whatever length works and FM's ideal length is 31",that's what they were. Telescoping antennae was an option or accessory. Comparing cars to trucks is apples to oranges in many cases. Disc brakes were an option on cars and available prior to '71,tilt steering was available prior to '69,dual exhaust was available with small blocks,and integral power steering was used for many years on cars prior to '68,for instance.

Solid masts were my understanding...