Straightforward swap. Search the archives, as there is plenty of info, esp Stu's document
Retain your 1400 SS Mems, flywheel, plenum / throttle body /fuel pressure regulator, sump (check fixing size - may reqire drilling to accept M8, depends on age of 1400) and cylinderhead/SS cams.
You will need 1800 short engine, higher flow 1800 straw coloured injectors, 1800 alternator and cambelt pulleys, wider 1800 cambelt. Non Caterham 1800 will require crank spigot and sleeve (from QED) and possibly require shortened gearbox 1st motion shaft (if 5speed - I dont know about CC 6speed). Good time to get the SS cams timed properly with verniers. Sadly, CC now sold out of LW 1400 flywheels.
Suspect the CR is the same and the valve sizes are identical.
Small increase in power, but lots of torque. Email me off line if you want more info.
Malcolm
Edited by - Englishmaninwales on 5 Mar 2005 00:26:47