[rotorwrench]

The one thing that killed me about the Autolite 4100 is the secondary operating diaphragms. They are very thin and not much extension past the edge of the casting flange. They would work OK for a while then the diaphragm would fail and leave me with a two barrel carb. I had an old 64 T-bird that the carb and all the electric & vacuum stuff gave me fits so it went on down the road without me. It took me a long time just to get the cruise-o-matic to work well again let alone trying to keep the AC working and all the electric windows. I stick with the more manual cars now days and leave the real fancy Lincolns & T-birds to the guys with deeper pockets. A 63 Galaxie or Marauder fast back may show up in the driveway one day though. I think I'll look for the manual secondary Holley type carb for that one along with a T85-R11N for an overdrive or maybe a super T10 4-speed transmission.