;33nifty lets see now,they share a big block hood because o the high intake,allso with painted pin stripes around hood,they were made in 70/71/72 the number of each respective year are...1,287/1,949/1,741......they come as a t/top or a convertible....the special thing about these vetts is in the engine.....a 350 small block with a 780 holley double pumper/alloy high rise intake/double hump fuillie heads/triple valve springs/guide plates/stainless valves/trw forged pistons/special con rods/steel crank/4 bolt mains/solid cam shaft/these were the last to use these/m-21 4 speed/no autos/from memory i think you only had a choice of 3.70 or 4.11 rear gears/mine are 3.70/allso they have the same tacho as the big blocks if you wanted the raceing suspension package ,then the car was called a ZR1only 25 for 70 8 for 71 and 20 for 72..this is of the the top of my head so if i hve made any mistakes i wellcome the input aS i have been studying these cars for some time now and have relied on literature,what a blessing it is to have a computer now.......;49;49;49