was 10.2:1 on Indy-1 255 cnc raised port heads and 408 cubes
New will be 11.5:1 with same heads and 410 cubes, still rocking that 93 pump gas laugh


2000 Dakota R/T, 408 magnum, 727, Indy heads
1000cfm 4150 carb, 93 octane fuel.
motor; 10.258 @ 132.78
200 shot; 9.262 @ 144.69
racemagnum