The later W126's seem to handle 100+ no problem if there in good shape. Tired suspension and poor quality tires will hurt top speed handleing. I would think a good W123 would be pretty stable at 100, thats what they were built for.

Btw scottydodah It couldn't have been the fastest BMW a 750IL would destroy that Lincoln, it was probably a 735. The 750 I think is good for over 170. Also MB was years ahead of Ford in saftey and technoligy in the 70's. I don't agree.

Just my 2 cents.

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2016 Corvette Stingray 2LT
1969 280SE
2023 Ram 1500
2007 Tiara 3200