Is this engine sound normal? - Page 2 - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

8RZ · 06-06-2017, 04:44 PM

Music to my ears.

Subsonic · 06-06-2017, 08:11 PM

Agree with all the points that the noise is quite normal. This engine makes the noises it does for three reasons:

- This is not your grandad’s cast iron V8. Cast iron has a very good sound absorbing property that modern light alloys do not have at all. The block is thin, light and transmits every sound that’s happening inside

- The valve train is extremely noisy. The cams are driven by chains that are much noisier than belts by comparison. Give me chains any day!

- All the valve train gear is duplicated in this engine compared to an inline 4. You get valve train nose in stereo when you open the hood!

The sounds you hear when you open the hood should really be the least interesting thing about this car. When the throttle is opened, induction and exhaust noise starts to dominate. Get in and give it a thrash and tell us then what you don’t like about it. Listening to it idle and revving it with low throttle openings doesn’t really give you the full picture.

Michael.

brz-times · 06-09-2017, 02:56 AM

It is normal in my opinion. mine still new I bought just 2 months ago.

stevesnj · 06-09-2017, 09:20 AM

06-09-2017, 09:20 AM	#18
stevesnj Senior Member Join Date: May 2013 Drives: 2016 FR-S Oceanic Blue Location: Southern NJ Posts: 2,958 Thanks: 2,158 Thanked 1,601 Times in 923 Posts Mentioned: 30 Post(s) Tagged: 2 Thread(s)	__________________ My 2016 Build thread TRD Exhaust with custom quad tips, TRD Lowering Springs,TRD Quick shifter,LED;DRL, Projectors, and turn signals. Re-badge, 86 Nanny, WinmaxW2 Pads, K&N Drop In, Antenna delete

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06-06-2017, 08:11 PM	#16
Subsonic Member Join Date: Dec 2016 Drives: Toyota 86 GTS Location: Sydney Australia Posts: 76 Thanks: 77 Thanked 114 Times in 36 Posts Mentioned: 3 Post(s) Tagged: 0 Thread(s)	Agree with all the points that the noise is quite normal. This engine makes the noises it does for three reasons: - This is not your grandad’s cast iron V8. Cast iron has a very good sound absorbing property that modern light alloys do not have at all. The block is thin, light and transmits every sound that’s happening inside - The valve train is extremely noisy. The cams are driven by chains that are much noisier than belts by comparison. Give me chains any day! - All the valve train gear is duplicated in this engine compared to an inline 4. You get valve train nose in stereo when you open the hood! The sounds you hear when you open the hood should really be the least interesting thing about this car. When the throttle is opened, induction and exhaust noise starts to dominate. Get in and give it a thrash and tell us then what you don’t like about it. Listening to it idle and revving it with low throttle openings doesn’t really give you the full picture. Michael.

06-09-2017, 02:56 AM	#17
brz-times Member Join Date: Jun 2017 Drives: 2016 Subaru BRZ Hikari edition Location: Vancouver Posts: 29 Thanks: 2 Thanked 6 Times in 5 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	It is normal in my opinion. mine still new I bought just 2 months ago.

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