I run a '69 Dart that weighs 3033lbs with me in it. I have a .040" over 340 with the .557 DC cam in it; the compression is 10.8:1 and I run 93 octane pump gas, the heads are the Eddys with a little portwork done to them. The intake is an Edelbrock Torquer II with a Holley 830CFM carb. The...