E-cam vs B-cam?

[Mach 1]

Originally posted by eatsgmcar
If the car die or the idle is always surging, look
somewhere else it is not the camshaft.

Is that a fact? Is that why the only way I could cure my car of a surging idle was to swap out the cam?

A cam can and will cause idle problems, mainly in fuel injected (computer controlled) low vacuum, narrow lsa applications, like the e-cam.