Way OT, now cam Q ( was EGR Q's (was: Fuel Econ and Hiway Mode))

[Bruce Plecan]

Whats the cam specs at .002?
At enough clearance there will be no overlap
Often the amount of self egr, but playing with the timing AFR can make a cam
sound healthier then it is
Bruce


> LT4 stock cam = no rumpity rump.
> LT4 "Hot" cam = rumpity rump.
>
> Sideline question:
> LT4 cam does not have much valve overlap.  -1 degree measured at
> .050".  What causes the "rumpity" idle on a small overlap cam?
> Shannen
>
>
> Andrew Mattei wrote:
>
> >
> > Best way to go? Ditch the factory EGR and go with a rumpity cam that has
> > enough overlap to have "built in" EGR. =8) Heck, it was good enough for
> > LT4 Corvettes. ;)
> >
> > Andrew (ducking from the stones about to be thrown)
> > With a rumptiy cam of my very own. :)
>
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