mate ive been told full 16v zetecs with std cams pistons ect will be happy at 250 bhp with a turbo bolted on and was also told is cheapest way but on the mfi couldnt say mate dont think i know of any, not sure if doo,s 2.1 was mfi i think if was possible you,d need 5th injector and by the time you fak,d about id say just save and go efi mate, fiesta turbo h reg ecu and loom inlet will give you efi at half the cost of cossie

 

alex dya know of any bottom ends 2.1 i need 1

 

i would say so mate i did a 1900 efi took 3-4 yrs to build it was constantly paying out adding bits here n thier i broke and sold that because by the time she was nearlly done it was an out of date conversion and i wanted big power so was second best if ya like ive bought another s2 to sart over on and its been in the garage for like 8 months im not rushin and skinnin masel again just take ya time alot of money can be wasted with the wrong choices be worth the wait mate