Originally Posted by derass

I think the most important thing to take away from that comparison is that the 7163 reaches full boost 1000 RPM sooner, at the expense of ~20 lb-ft and HP throughout the entire curve. However, if you have head work done (capable of higher RPM), perhaps the 7670 is a better choice. It all comes down to the car's purpose and what kind of powerband best suits that, eg. drag vs road race.

PoorMan, in the other thread you mentioned the GT3076 has mismatched wheels. The graph above shows similar results to the 7163 aside from some minor differences. What are your thoughts?