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

[Shannen Durphey]

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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