Another $0.02, would be that the w116s (exception: some 1980s that apparently delivered with w126 motor setups, or maybe it was only CA-spec cars) have different plumbing for the vacuum pump. IIRC we had some fun with this on my w126->w116 swap, in addition to what Berryman mentioned.
Also the oil cooler lines are different. Mac on 6/8/06 11:55 AM, John Ervine at [EMAIL PROTECTED] wrote: > Luther Gulseth wrote: >> >> 617.950 is listed at 115HP and the .951/2 are 123/125HP. If >> stroke/displacement are the same, what did they change that increased the >> HP? Are the shortblocks identical? TIA all. > > In addition to what has already been mentioned, the w116 300SDs used the > earlier > AirResearch turbo units. I believe AirResearch was later purchased by > Garrett, > but don't know that for fact.
