V V T

[Pete McCue]

Afternoon all, quick question if I may.
Can you feel the VVT cut in? I certainly don't feel any change when accelerating.
Also, although my car runs perfectly smoothly with decent ooomph, I don't feel there's much point in taking it much past about 5500 - 5750rpm. It will rev out, no problem, but there's no real urgency at that point, is that normal?
My Z3 had variable valve timing but the Vanos system is a constantly varying system so you don't feel any point where the performance changes, is the Toyota system the same?
Cheers.

[Craigjm]

You won't feel it because it's continuous throughout the rev range it doesn't "kick in" like Honda vtec does at certain rev points

[Ardent]

@Pete McCue

I have a document somewhere that illustrates what is going on when. Just need to find it. Helped me visualise things.

If anything you might feel a little bump around 4800, but no dig in the kidneys.

[Ardent]

@Pete McCue

Found it. The 4800 ref might be my own perception.

If you would like to read the rest of the document let me know.

You cannot view this attachment.

[shnazzle]

It's quite interesting watching the VVT graph on ELMScan/TechStream. Then you get a view of how much it's constantly changing the angle

[Pete McCue]

Excellent, thanks for the info. Clever stuff isn't it.

[Ardent]

Very.

In for a penny. The full doc here.

https://1drv.ms/b/s!AjKQRUlKMbdSjGDq6vyBEURtgVpA

And

https://1drv.ms/b/s!AjKQRUlKMbdSjGHzDmgZgPzfwXOg