Originally Posted by ScORTED

first off what year 105 and does it run edis or not does it have pats.. the 2.0 silvertop zetec cam profile is almost identical to the 130PS 1.8 zetec profile, the MAF is differently calibrated, the trottle body is larger, the injectors are different although the flow rate is beileved the same, the injector plate between head and inlet has much larger ports, and the High Put put inlet manifold flows better (stamped HO) the heads are the same as are the blocks, although the 130ps one has under piston oil jets fitted (provison is made for these in the standard zetec blocks) they can be fitted with the sump off with engine in the car. the 2.0 maf is calibrated differently and gains would be conincidental, the 130ecu's "2FCB" or is it 2FCD - i can't remeber are non pats external EDIS ( black motorcraft ignition module fitted to bracket on passenger inner wing next to airbox) these ecu's can be fitted to early 105 cars, later internal edis (ignition controlled by ecu) 105 cars can have the ecu swapped to a CULT (i believe) ecu from a late fiesta RS1800 or one from an early mk6 si 10 cabriolet, most if not all true 130 XR's were actually the mk5a floor pan with the mk5b/6 rear end welded on, this is signified often by the presence of the mk5a seats which have different adjusters (side handles on remote pole operation rather than dierect handles mounted on the front of the seat bases) these cars also tend to have the ealier wiring looms and the ealier steering columnns / assemblys.