Post your 13 second small block combos
360 engine stone stock except, blueprint compression to 8.5. This cam:
http://www.summitracing.com/parts/crn-693801/overview/make/dodge, matching springs on stock unported j heads with stock valves. Stock 71 340 iron intake. Thermoquad, headers and MP electronig ignition. Stock rockers and pushrods. Good for 13.90s in a 67-72 Dart with 3.23 gears and 13.40s with 4.10 gears and slicks. Ask me how I know.