Yeah, Lehman-Peterson was the official Lincoln limo builder back in the '60s, but they went away in about 1970. I still have a Corgi model I got as a kid of a '68 or '69 Continental limo based on the L-P design.
I'm sure the reason Lincolns were rarely used for professional cars during the '60s is that they used unit body construction from '58'-'69. Unit bodies can be modified and stretched, but it is more difficult than with a separate chassis due to the more complex construction. Lincoln did revert back to a cheaper, Ford-like separate chassis in '70, but Caddy and other GM makes already had a lock on the professional car business. Cadillac was the obvious favorite, but I've seen a few Oldsmobiles and even some mid '60s Pontiacs.
I have an aquaintance who runs a small, discreet limo service using standard bodied Cadillacs. Most of his clients are out of town business people who need to be picked up at the airport and chauffered around for a day or two. He tried some of the late '90s Lincolns and really hated them for a funny reason: that rounded upper rear corner to the rear doors. Evidently he had too many clients bang their heads on it getting in and out of the car. Sounds funny, but then again after a long flight and dealing with the tacky nastiness of LAX I can imagine being a little uncoordinated. So, he went back to Cadillacs and is quite happy. He hasn't had much problem with the infamous Northstar head gasket issue and the Caddies just keep running.
I'm sure the reason Lincolns were rarely used for professional cars during the '60s is that they used unit body construction from '58'-'69. Unit bodies can be modified and stretched, but it is more difficult than with a separate chassis due to the more complex construction. Lincoln did revert back to a cheaper, Ford-like separate chassis in '70, but Caddy and other GM makes already had a lock on the professional car business. Cadillac was the obvious favorite, but I've seen a few Oldsmobiles and even some mid '60s Pontiacs.
I have an aquaintance who runs a small, discreet limo service using standard bodied Cadillacs. Most of his clients are out of town business people who need to be picked up at the airport and chauffered around for a day or two. He tried some of the late '90s Lincolns and really hated them for a funny reason: that rounded upper rear corner to the rear doors. Evidently he had too many clients bang their heads on it getting in and out of the car. Sounds funny, but then again after a long flight and dealing with the tacky nastiness of LAX I can imagine being a little uncoordinated. So, he went back to Cadillacs and is quite happy. He hasn't had much problem with the infamous Northstar head gasket issue and the Caddies just keep running.