Hello,if you want to put the cam form 1.6 to your 1.4 and that's it.You wrong,you will also need reprogramming the ecu cause in high rpm you run out of fuel.There is a Colombo&Briani cam on the market for the 1.4 with the chip for your ecu.Anyway here are the timings of the 1.4 and 1.6 cams:
160.A1.046(1.4L) 159A3.048(1.6)
Inlet Opens 7 (24) 6
Inlet Closes 35 (76) 46
Exhaust Opens 37 (70) 47
Exhaust Closes 5 (18) 7
In () are the timming from the colmbo&briani cam,the choise is yours.....