One "modification" I would definitely consider is the 14" aluminum "steelie" wheel, which was a US market option on the W123. I have them on my W115 240d and W123 300d and the difference in ride, handling, economy and acceleration on both cars is definitely noticeable.
They weigh 11+ lbs less than the steel wheels and can still take the chrome wheel embellishers. That's 45 lbs of unsprung weight savings, which is massive even by race standards. This, combined with a thorough tune up, will keep you smiling at your own pace as the world speeds past.
Last edited by Screwdriva; 03-20-2021 at 12:39 PM.
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