VK45 –Stage 1 Headers/JWT cams/TB/intake

Wait, 3rd Gen? Right. I keep forgot about the QX4.

1st Gen: QX4 (1996 - 2003)
2nd Gen: QX56 (2003 - 2010)
3rd Gen: QX56 (2010 - present)

Sorry, it is the 3rd Gen that I'm attracted to :smile (2):
That is a very nice looking 3rd Gen QX56. Love the color too. :wink:
 
A few of my family members have siennas. Good solid van.
Benefits: better mpg, more practical, less worries about wear/tear.
Cons: not as cool
 
in the olden days it was pretty common for a car with a healthy cam to hunt around a bit and surge slightly at idle, kinda went with the territory of rumpity rump rump choppiness from a cam with a lot of lift and overlap... I would think modern cars that are finely tuned would get around this mostly, but maybe it's possible that with a bigger more radical cam that the idle quality may never be stellar or perfectly smooth? with a larger cam the engine can sometimes make very little vacuum at idle and not be rock solid stable at idle, especially when trying to keep the idle at well under 1k rpms too...

if you hold the rpms up to ~1k does it stabilize?
 
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in the olden days it was pretty common for a car with a healthy cam to hunt around a bit and surge slightly at idle, kinda went with the territory of rumpity rump rump choppiness from a cam with a lot of lift and overlap... I would think modern cars that are finely tuned would get around this mostly, but maybe it's possible that with a bigger more radical cam that the idle quality may never be stellar or perfectly smooth? with a larger cam the engine can sometimes make very little vacuum at idle and not be rock solid stable at idle, especially when trying to keep the idle at well under 1k rpms too...

if you hold the rpms up to ~1k does it stabilize?

Its very interesting, at 1,200 RPM the tach will bounce from 800 to 1,400 K consistently very odd. Cam does not sound like it has that much lope but it runs like other cars I have had that have cam overlap issues.

I'd like a vid with the idle set that high please! Give me fair warning so I can get a towel though.

Nice. I need sound clips bad, hard enough just to shoot a few stills......
 
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