On my LT1 EGR comes in between 900 and 2400 rpm, and only between certain vacuum conditions. And a lot of timing when EGR is active.
The Corvette is less, like 1200-2100 rpm, and extra timing at times EGR is working. But not as much as the B/D car timing advances
The Corvette is less, like 1200-2100 rpm, and extra timing at times EGR is working. But not as much as the B/D car timing advances
