The M370 made more under the curve at least what I've seen 10+12 more wtrq under the curve and the same WHP up top Vs the Z1 but we'll see about the Z1 after I get a tune for it. My comparison file was with a Etune for the M370. It's all in my thread here
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14 Q50 AWD, ARK, ECUTEK (SEB), Takda, 
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