railstaff:
Not that it makes any difference but an mx is still ohv,but seriously an AV1100 in a reasonably mounted cab,by that you don’t mean a road vehicle?
Thanks for pointing that out railstaff.I’d mistakenly took it for granted that the MX was just another generic modern OHC/CIH design. 
That obviously puts its design higher in my personal estimation.Certainly to the point of making it a no brainer choice v the usual OHC/CIH suspects.
As I said the AV 1100 seems to have been lumbered with an impossibly ridiculous overall block height for its stroke measurement.Which would obviously have defeated any attempt by AEC to make the obvious move,suggested by cav,of combining the 1100’s and 690/691’s design for use in any type of general automotive use.Which is why I posted the MX example to show how it should be done and then some. 
