Hello my name is Oswaldo, & I need some help, I owned a 09 370z.I just got my z 3 moths ago with 18,000 miles it was 20152 now & few weeks ago I did an oil change at the dealer I'm really concern about my car bc today when I got home I check the oil level n it was reading just a tab above the "L" I suppose it should be reading at "H" level but is not.Or i'm wrong?, another concern I have n that I been thinking is that my car might be burning the oil somewhere, bc on the first week I bought my car n I check the oil level it was reading the same just a tab above the "L" level, I have gone to the dealer n have told then the same story but I don't see a straight answer from them all they say to me is "we'll check it" but at the end I do not get an answer or a why..i was searching on the web for answer on my own but I been unsucessful, till I saw the link of this forum I hope I could get some answerS from someone else that has the same car n I hope u be able to help me, thank you
I am very interested in your method of curing the exhaust drone. I have an S2000 with an HKS Hi Power exhaust that drones around 3-4k. I was reading about your side branch resonator or helmholtz resonator. I noticed that the stock S2000 exhaust has one of these side branch resonators. What I'm wondering is, how did you figure out the diameter and length of the resonator. You said you put a 27+ inch pipe on each muffler to eliminate the drone. How did you calculate this? I'm very interested in curing the drone.
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