yeah i have that setup. only i have the z1 head.
with just the z1 head swap i made 172hp tuned. in the kpro listed calibrations there is one that make that power for bolt on on the a3. one members bro made that and i was shocked. so doin just the head swap than it's not worth it. but since i put the s/c on it is great. at 3k the boosts kicks in and at 4k(where i set vtec) the engine opens up and the rpms just skyrocket.
i have not yet had a chance to get it tuned yet. still planning to get the 3.8" pulley, 2.5" tensioner pulley, maxbore the TB and get it tuned
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