anything that cant be adjusted is just a waste of money
by the time u fk around fitting an efi system of another motor to your 4 cyl
u might as well go buy a whole new style efi complete motor and fit the complete motor and efi
any type of conversion these days gets expensive
best to try these days is the delco system as its adjustable but if u dont have the right gear to tune
it a basic tune from a shop can easily reach over 1500 bucks
so in the end just buy a microwreck or a megasquirt
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