Does the BRZ/FR-S suffer from rev hang?

[Subie]

Originally Posted by ChimpMania

this guy said he won't be buying a brz...profile says drives brz lol looks like he did end up buying it

Originally Posted by Tcoat

Considering he hasn't logged on in over 4 years who know what he drives now.

Not a BRZ.

The BRZ has no rev hang. While my BRZ had *many* faults, the throttle was not one of them.

[2017-BRZ]

There's an ever slight bit of rev hang....I think its unavoidable in factory new cars.

[Sam.Vera]

Originally Posted by aquasurf

It should come as no surprise that weight of flywheel cannot have much effect on reducing rev hang caused by injectors feeding fuel to the engine for some time AFTER the throttle was closed. The role of flywheel is to resist change. With the rev hang maintaining revs, there is no call on the flywheel (light or heavy) to do anything. Only when the rev hang stops, then a lighter flywheel will make the revs drop faster. Well, it is like shutting the gate after the horse has bolted.
I managed to remove revhang in 4 different car models I owned by fitting my own QREVS device. You can google it.

But how does one eliminate it? I bought my FR-S new in 2016 and to this day it drives me nuts. I wish it could be tuned out somehow

[qiumaoyuan]

Originally Posted by sengytpg

Yes, I drive a 2017 BRZ and the rev hang is present.

Me too

[Spuds]

Idk, but we all suffer from thread necromancy...

[Teseo]

Originally Posted by Spuds

Idk, but we all suffer from thread necromancy...

If they create new thread, someone will complaint why not search

[humfrz]

Originally Posted by Teseo

If they create new thread, someone will complaint why not search

No, the throttle on my 2013 FRS doesn't hang.

Rev hang - oh, yes, that is caused by either the throttle return spring on the carburetor is weak or broken or the linkage is bent (and binding) or the butterfly valve in the carburetor is sticking. Or some or all of those.

What day is this? Why am I here? Where am I? Who are you people?

[Spuds]

Originally Posted by Teseo

If they create new thread, someone will complaint why not search

I wouldn't take anything I type after midnight seriously lol.

[Ultramaroon]

Originally Posted by Spuds

I wouldn't take anything I type after midnight seriously lol.

Great. Now I have to do time zone math.

[Spuds]

Originally Posted by Ultramaroon

Great. Now I have to do time zone math.

It's always after midnight somewhere?

[bcj]

We can let it all hang out ...