800 DP Team G intake Home Ported 516's with 2.14I 1.81E valves 509 Hydraulic cam staight up, 10.2:1cr Timing was at 36 3500 Stall converter 1 7/8 headers and flowmasters 4.30 gear and 12.5 x 28.5 MT sportsmans 3700 pounds with me in it. 12.1 at 110 mph in the Las Vegas heat, around 4100ft density altitude.
Your friends car should be in the very low 12's to high 11's like you estimated.
