1970 Mercury Cyclone GT 429 ID# 0H16C536249 1 of 248 Built! This ultra rare muscle car was just completed at a cost of $75,000 in restoration cost alone. It is 1 of 248cars with this engine & transmission codes. Powered by the numbers matching (0H536249) 429 Cobra Jet engine. Options include: C6 select shift transmission, 3:50 traction lok rear axle, power front disc brakes, am radio, bucket seats and console.