Need help i have a j reg xr3i but she needs a hart? I have a 2l blacktop out of a mondeo My plans was to throw in the 2l silvertop i no what am doing with that but av been told the blacktop has bigger valves and is a smother flowing engine (better engine) Av been told it will fit pritty easy but i have to yous the ecu out of the mondeo but am shure you have to have the keys etc for the chip ,or will the xr3 130 ecu work if i yous the manafold and the airflow meter of the xr3 arrgh can some one help? or wud i be better just to put the 2l silvertop in ?

 

easier putting silver top in straight fit no hassles

 

ye i no but i have a black top sitting i just need to no what parts i have to change av not long just been told just to use my ecu and my manafolds,flywheel,sump and pick up pipe then am pritty mutch all the way but am shure thers more

 

just need some one who has done the conversion or nows haw its done the blacktop is a better lump