my 72 camaro ss runs mid to high 12's with a 350sbc that engine was built using all 70's performance parts.here is what i've done to it :Engine : 350 sbc 425hp /490 ft lbs torque / 11.5:1 compression / ported-polished #462cyl heads 2.02-1.94 valves / GM #3927140 mechanical solid lifter cam257/269 dur. 493/512 lift 112 LSA 4200-7000rpm / pete jackson "noisy"gear drive / early 70's edelbrock TR1-X tunnel ram (2) 70's correctholley 600 vacuum secondary carbs / older mallory unilite mechanicaldistributor and accel super coil / baldwin motion valve covers / flex alite "green" fiberglass flex fan / hedman long tube headers w/ 3" pipeto flowmaster 1 chamber race mufflers terminated at the axle.Transmission: turbo 350 with shift kit and B&M 3000 stall converter.Rear axle: gm 10 bolt with 4.10 gears and welded up spider gears or"lincoln locker"i've had both the edelbrock TM-1 and edelbrock scorpion intakes on this motor with a older holley 850DP and have run high 12's
