1.8 all the way!!! Go to ebay get the 1.8 turbo or even corksport. Their will be a lot of money involved in it if you want to true conversion done. The tranny is the hardest to have mounted. the j-spec tranny is 4wd adding all the of the rear may run you a couple thousand, but if you have it done you will be the second j-spec gen two out their.