Tuning P75 conversion

[sleeka1]

When you guys are fitting p75 motors are you stripping your cars bare and fitting the p75 loom? Or just chopping the standard loom? Also is it just a direct fit or do you use custom headers for cat clearence?

 

[Cento186]

It depends whether your car is spi or mpi, I take it thats your seicento in your photo so mpi. mpi is much easier, just use the oil pump & pulleys off yours as well as the plastic inlet manifold. Job done

 

[NUGGY]

It depends whether your car is spi or mpi, I take it thats your seicento in your photo so mpi. mpi is much easier, just use the oil pump & pulleys off yours as well as the plastic inlet manifold. Job done

when i did my spi p75 conversion the only wiring i did was to cut off the spi injector and follow the wiring for the p75 injectors back until it goes to 2 wires, join these two wires to the spi wires and thats it (the punto 75 is batch fire set up) the just swap the spi ECU for the p75 ECU