if you plan to mod SPI is not the way to go if you want that extra power you also want to go with the Ztec. I would just buy the ztec anyways because its a good motor.
8v whatever you might save an extra 50km big deal.
8v whatever you might save an extra 50km big deal.
I drive a 2010 Golf that growls at people when it goes over 3000rpm.