Anyone know what it is on a D16A6?
I hit it today for the first time for the hell of it, swap in less than a month.
It felt like I hit it at 7k but that seemed low, it might have been 7200.
I heard it bouncing some, I thought of Gran Turismo. h:
Also is it fuel cut off or spark cut off?
At that rpm is anything being pushed, what can the bottom end and valvetrain take on my motor?
Also when I guess the B16a is it bad to bounce it off because I've been told the bottom end is good for 9000 and the stuff inside the head for 8500, I've also been told that right at fuel cut off is the optimum shift point because it won't drop out of VTEC.

Just some stupid questions.

 

It's fuel cut-off, because the car wouldn't pass emissions using a spark cut-off due to the unburnt fuel. I wouldn't recommend bouncing off a hard cut (fuel cut-off) all the time, eventually you will ping and blow your motor.

Your stock valvetrain was built for 7k rpm, anything more and you will experience valve float.

 

How does it cause detonation?
It would be cool if you could convert to a spark cut so you could hit it without worrying. But I suppose I'm a shitty driver if I can't learn to shift right at it. h:

 

It causes detonation simply because there's no fuel to burn. Thus, your EGTs (Exhaust Gas Temperatures) rise and get ready to celebrate the 4th of July.

 

right around 7200 on a z6.

just floor it in neutral and you'll hit it...

 

But if there's no fuel to burn don't you just push air through the engine?
Or does the presence of a little bit of fuel create an extremely lean condtion?

 

You're forgetting there's still spark.

 

right
But it's not igniting anything is it?
Is it bad for the plugs?

 

There is likely a small mixture of fuel in the chamber, thus creating a lean condition.

Yes it's bad for your plugs.