Stock has more or less zero chatter. I think the Nismo flywheel reportedly has close to none as well, but I think it's because it's not much lighter than the stock one.

When you are cutting the flywheel weight down by about half, you can't expect there to be no adverse effects. I don't think Nissan/Infiniti put a ~26lb engine-responsiveness-killing flywheel on there just for plain old fun. They did it for a reason.

I believe my current flywheel weights 14.25 lbs, and it only chatters below 1500RPM in 2nd-6th gear if I really get on the gas, in 5th gear between 2000 and 3000 every so often just because it seems it gets a perfect point of resonance in that gear, and once in a blue moon when idling at a stop (has happened less than 5 times total).

However, despite all the above, I can drive it with no chatter, even with the RPM's dipping below 1500 all the time, you just have to roll on the throttle and don't give it too much until the RPM's climb. The other option is just to rev it up a bit, and it was what I was doing until my gas mileage started suffering (only 1mpg, wasn't too bad).

Also, take it all with a grain of salt. If you are expecting there to be no chatter when you dump the clutch on accident and the RPM's dip down to 500 and the engine nearly stalls, then you are asking for a bit much. At that point go buy an automatic and be happy.

 

I recorded a sound clip today with my iPhone but I left it in the cupholder so all you hear is the quarters I have rattling and the phone vibrating against the cupholder as a result of the crappy road...

I'll try to get a better clip tomorrow.

 

i am very interested in this chatter video as well plaease do posta link of a good example of some chattering.

 

I think ppl have reported to the nismo having the least amount of chatter, but it prob also the most heaviest aftermarket flywheel.
Did you change out your throwout bearing at the time of changing it? Everyone should change that bearing at time of clutch change.
If it makes you feel better, check out the porsche gt3's idle. If you want a racecar, thats what your gonna get, even the sound of one.

 

That is a GT3 RS. And I didn't hear any chatter, just a mean exhaust note...

I'll get a sound clip again today when I go to school. I'll be driving as I normally do for a little to show you how little chatter there is under standard driving. Then I'll try to induce some chatter and I'll call out the RPM and approximate throttle position of when it happened (I know it'd be better to have video of the dash to show RPM but I don't have a way of holding my phone there). There's always the GoPro we have (have to wait till the weekend though) but the sound quality sucks if you ask me.

 

Yea, mostly likely it is your throughout bearing. Did you break the clutch in properly? If not, you can also receive a lot of clutch chatter from it.

 

It's not my clutch that chatters, it's my flywheel. If I have my clutch pushed in at all so there is any slip, the flywheel doesn't chatter. The only times it happens is at a low RPM in a higher gear (3rd and up) with a good bit of throttle.

I did take another video today but you really can't hear much. When I was listening to it I could barely hear anything, let alone the chatter I purposely induced at the end of the recording to give you guys some sort of reference.

I'll try again this weekend with our camera taking video of my dash (that way you can see the RPM it happens at) but I'm up at school right now.

Revo