My combo is a 383/496, 12.20:1, Hughes cam/valvetrain, Cam is 272@.050/.619 with 1.5 Hughes roller rockers with their hold down kit, Hughes stud girdle,Stage VI ported heads, ported Victor intake, Pro-Systems 4150 1000cfm carb and Nitrous Works plate system. Car weighes 3400 with me in it, runs 6.87@102.49 1/8th, 1.52 60 ft, 10.59@123 1/4 on motor, on NOS with bad tune-up (very rich as per Monte) 6.47@107.47, 1.41 60ft, 10.22@128 1/4. Looking for high 9'S with good tune-up on NOS as per Monte.....Matt