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Did you know that the earliest ZR1 Corvettes came into existence long before any of these later iterations?  If not, then take a few minutes to acquaint yourself with one the rarest small-block production Corvettes of all time - the 1970-1972 Corvette ZR1. From 1970 to 1972, Chevrolet offered the ZR1 Special Engine Package, which featured a small-block LT1 engine.
2017 corvette c7 z06
You can find a newer, low-mileage, Corvette at a price point that is reasonable when looking at a C7 vs the competition. You'll pay more than you would for a Mustang, Challenger or Camaro, but you'll get a lot more car for the money too. 
In 1969, Chevrolet changed the perception of Corvette forever by introducing the ultra-powerful ZL-1 Corvette with a 427 CI engine producing 585 horsepower! The 1969 ZL-1 Corvette came equipped with an entirely new big-block engine option that produced more horsepower than any Corvette that had come before it. Any Corvette, when ordered with RPO ZL1, came fitted with an all-aluminum 427 C.I. engine that featured a dry-sump oil system and which weight approximately 100 pounds less.
While it was not the rarest Corvette Pace Car Replica ever manufactured by GM, the 1998 Chevrolet Corvette Pace Car Replica was – and remains – one of the most desirable pace car replicas ever made. This is primarily due to the fact that this replica is nearly identical to the actual pace cars that were used during the 1998 Indianapolis 500. It was fitting given that 1998 also marked the brand's 20th anniversary as "Official Pace Car" of this momentous race.
1978 was significant because it marked the cars 25th anniversary of production. Recognizing the achievement of manufacturing a car for a quarter-century, Chevrolet commemorated this accomplishment by introducing two special-edition Corvette that year.  The first of these was known as the "Silver Anniversary" edition Corvette.  It featured a two-tone silver over gray exterior with special pin-striping and special "25th Anniversary" badging.