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hey man,if you want those tech guys will take the header out for you cheap they have all the air tools and the lifts so you be in out fast. then just take it up for warranty if anything. that woudl prob make things easier. but yea i heard the noise myself you can hear it if you stick your head by the wheelwell its a softer tick then the injectors.
35,xxx on the car, a bit early i think.if anything you could get a valve adjustment done. how many miles on the car??
no, the k20 doesn't use hydraulic lifters, which can get clogged and collapse, causing lifter tick if your oil is dirty. there are plenty of ohc engines that use lifters, just not necessarily honda/acurasIt's not lifter tick, because OHC motors don't use lifters. I would start by re-lashing your valves. Good luck.
I believe Honda says its 105 or 110kwhat is the recommended interval for valve adjustments anyways? im coming up on 40k