BenzWorld Junior Member
Date registered: May 2016
Vehicle: 1986, W126, 300SE - 1965, W111, 220SEb
Location: the very very deep South, Santiago, Chile, South America
Mentioned: 0 Post(s)
Quoted: 4 Post(s)
w111 / w112 highway speed issue, overdrive, oversize tires, differential?
I am utterly new here, a virgin posting, please forgive if I dont understand rules of engagement totally yet.
I am the (terribly proud) second owner of a 1965 SEb coupe, of my grandfather-in-law here in Santiago Chile. It was one-of-his daily drivers, in totally functional condition, but not a show vehicle, vinyl seat covers to protect from the kids bathing suits, dogs, oxygen tanks etc... . I got all the paperwork since 1965... And much to be done to bring it back to, say, 1969...
First question: what can be done to lower the motor revs at highway speed? This has the original 4 speed. 13" tires. At 3500 RPM only breaking 90 kmph + -.
Winding her up to 4000 RPM+, the rest of it flows great, comfortable, smooth, controlled, brakes steering fine. But seems like a lot of motor spinning. What can be done to lower the revs?
Overdrive? I dont see this suggested online, but this seem logical. Was it an option? Anyone have aftermarket / Borg Warner experience?
Rear differential? I see online some swap options, but, ummm, this wouldnt improve the already glacial acceleration? Would it? How simple is this for an w111, in a place with few parts / donor cars?
Larger Tires? She seems woefully topheavy with the original 13". I understand 14" were standard later. I see some references to 15" (In USA car renovation and in original Africa deployments). I think this would be an esthetic improvement...so I might do this anyway. Anyone have any specific advice / experience? What donor vehicle would have the right wheels?
In advance I thank all for your time and response,