440 what am I missing here?

It may be doing exactly what he says....

Garrett Ellison said

Here are the cam specs, 10:1, Minimum. And yes, the converter is junk here.

Click to expand...

108 LSA. Whoever is working with the tune better have an idea of how to clean up the idle and lowend. Without a doubt timing controlled spark. Andyf can chime in on that one. Neat truck anyways....

JW