Gt3 mk 1 noise test

[beanorat]

I've had a couple of GT3's in the past - a mark 1 and then a mark 2 - and have recently bought a mark 1 again. I don't use it much for trackdays, just occasionally as I'm mainly doing bike days

I don't ever remember a noise problem on track days before, but the car essentially failed the noise test ( logged as 99.9 db so that I could get on)

surely thats a bit noisy? car is standard as far as I'm aware

[paulburrell]

Interesting indeed!!!! My standard MK1 usually gets through the Bedford noise test without any problems at all. Last time around(2 weeks ago) it was a borderline failure. Not sure whether wind and atmospherics played any part.

[polarexpress]

Weather plays a huge factor in sound tests. I have measured between 100db and 103db on a static test, but most frequently around 102db. Bedford will fail you above 101db static, but their main measurement is the driveby... IIRC it's 87db taken from a mic 20ft from the edge of the track. Thankfully, I've gone full throttle past the short back section straight where the mic is located and have never tripped the meter...

edited to add: BTW, I've got PSE on mine...

Edited by polarexpress on Thursday 8th June 13:48

[ross]

mine always seems to clock about 105 at goodwood...i obviously need a new exhaust... the goodwood guys reckon all GT3s are about that. Never had a problem at bedford though.

[andy tims]

Standard zorst on mine - 101db static @ both Oulton Park & Castle Combe

[maximu5]

Does anybody know how much DB the Mathey kit exhaust produce ?

[TCB]

How do you guys get on at the ring ?

Is the limit not 95db there ?

[Merritt]

TCB said:

How do you guys get on at the ring ?

Is the limit not 95db there ?

As far as I know, thats not static? I didn't have any probs and mine tests at 99db static...

Steve