hi iv got a s2 runing at 200 bhp but iv got a mint rs cvh head and a good 1.8 efi ztec out of a rs 1800 fiesta how big of a job is it to put my cvh head on the 1.8 and if i can do it will i be better off with the mfi or the efi wot els will i need im a fitter so i will be doing all the work so any ide how much cost o yea wot cam shall i run as well thaks hope u can help