here a swap:http://www.ephatch.com/forum/showthread.php?t=43265
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what would be the best head swap for my A3 block with some mods like KPRO ETC....
its an alrite swap....my friend put on a z1 head on the a3 block and it was pulling on s2000's at least 2 car lengths......he's boosted now and it pull very nice dont know the exact numbers i'll find out and post them