which or what do i use ?
Posted: Mon Jul 04, 2005 8:13 pm
im fitting a 1.4 mpi (aex) converted to spi to my mk4 1.0 spi (aev), the thing is do i use the aev ecu or get a similar ecu from a mk3 golf 1.4 spi (abd) 
Probably the Worlds greatest Polo resource
https://www.uk-polos.net/