Any hints on tuning for a big cam?

[Tom Sharpe]

Mine's about 20% rich at idle with 10 deg retard from normal. the iac
motor trimmer is also at minimum to reduce the hunting.    Tom S

Roger Heflin wrote:

> Does anyone have any hints on what sort of things to change to make a
> big cam run better in a GM car?
>
> I have adjusted the stuff that determines the BLM cells to ge better
> coverage, and that improves things some, but the BLMs/Ints are cycling
> quite a bit, is there anything that will improve this, or is this just
> normal?
>
>                         Roger
>                         93 Z28 A4