The zetec is a better engine erm that depends on your point of view regarding making it run,tuning it and the cost of doing this. If your not very savy with elastictrickery like me then a zetec engine is a bugger to make run.
Lets start with the Ford ignition and fuel system that comes with a standard engine you have to trace the wires and the 'pin outs' on the ECU this includes by passing the imobiliser. You could use the standard injection system, but the plastic inlet manifold does'nt fit under a roadster bonnet,so you will need a fabricated manifold.
An option is megajolt and carb(s) but that still requires an ECU and a fabricated inlet manifold or machining to make a CVH one fit.
Then there's the cost of an ECU if you are clever then get in to the DIY mega jolt/squirt option "100-200 or spend £300-600 on an after market stand alone ECU such as Omex.
Suddenly a ZVH with a 1600 CVH head with a 285 cam and carb(s) matted to a 2000cc Zetec short block using 4 wires to make it run making 160hp does'nt look so bad does it?
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