Originally Posted By: flacoman
Right! The duratec started at 2.5 liters , was stroked to 3.0 .got a raised deck and more stroke to 3.5 and now 3.7 .
Nope, the 3.5/3.7 Cyclones are not in any way related to the 2.5/3.0 Mondeos, other than they both get Duratec badges.
The 3.5 was a totally clean sheet engine, different bore spacing from the 3.0 along with everything else.