Originally Posted by
raiden571
i thought the k20 responded to NA upgrades pretty good. or is it the k24 with the k20 head? i dont read a whole lot on the k's, out of my price range and lack of desire to swap another motor into my car.
the a3 has a form of vtec-e along with vtc. so it's not the best starting platform for a good NA setup. k20a2 and itr heads have true vtec and vtc and flow very well. tsx heads flow even better.