trackpig Posted May 23, 2010 Posted May 23, 2010 Hi all, I took part on a trackday at Croft on Saturday. It was one of the new 88db days. I had the 350z (totally standard) noise tested before paying for the day, it came though at 77db which I was surprised at. A couple of my friends took their e36 m3 down (some kind of induction kit fitted) which came out at 84db. It turned out to be a very good day and makes a nice change from the usual trek we make to other locations. 88db is not that low if your car is standard in the intake/exhaust department. Quote
andlid Posted May 23, 2010 Posted May 23, 2010 That sounds.pretty low to me! What rev did they ask you to keep the car at while checking? Quote
trackpig Posted May 23, 2010 Author Posted May 23, 2010 4800rpm- 3/4 of full revs which is around 6500. Quote
andlid Posted May 23, 2010 Posted May 23, 2010 4800rpm- 3/4 of full revs which is around 6500. how high does your Z rev! Quote
andlid Posted May 23, 2010 Posted May 23, 2010 Errh.. the red line is around 6500rpm well standard it revs to 6800 and as you say yours is standard and they should only do 3/4 of revving then it should be no more then its 5100, still think thats alot... Quote
trackpig Posted May 23, 2010 Author Posted May 23, 2010 Well the noise tester asked me where the red line is. That is 6600rpm. 3/4 or 75% of 6600= 4950. I took it to 4800rpm and he measured 77db. What more can I say? Quote
andlid Posted May 24, 2010 Posted May 24, 2010 Well the noise tester asked me where the red line is. That is 6600rpm. 3/4 or 75% of 6600= 4950. I took it to 4800rpm and he measured 77db. What more can I say? right cool Quote
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