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Discussion Starter #1
Hi! I've noticed that my girlfriend car engine (EK3 with D15Z6) it's not that loud compared to my DOHC ZC. Mine is 190.000km and her d15z6 only have 85.000km. It's only for the difference in mileage or it something diferent with the DOHC ZC valvetrain??

Thanks!!!
 

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Discussion Starter #3
I adjusted the valves a week ago. I think it was 13mm and 15mm, just at the middle of the setup told by factory. It's not a rare sound, only that the dohc zc its louder than the d15z6. May be the injectors a factor too??
 

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There should be a decimal in those numbers somewhere.
 

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They are a different style of valve actuation then the SOHC's are.
 

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Discussion Starter #8
Thanks to all!! I compared to a d16a9 of one friend and mine it's a bit silent than his engine. It's all okay!!
 
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