Mecum Auctions is preparing for its 2026 Harrisburg sale, scheduled for July 22 through 25, with an expected 1,200 vehicles crossing the block over the four-day event. Among the standout consignments is the Great Lakes Collection, a privately assembled group of American performance cars that traces the muscle car era into its later revivals.
The collection’s early anchor is a 1970 Ford Mustang Boss 302, one of Ford’s homologation specials built to satisfy SCCA Trans-Am racing rules. Under the hood sits the high-revving, small-block 302 V8 that Ford engineers tuned specifically for road course duty, paired here with the factory competition stripe treatment and the fender callouts that mark the model apart from a standard Mustang. Examples like this one have become a benchmark for collectors chasing genuine late-1960s pony car performance rather than modern reproductions.
Corvettes make up another thread running through the Great Lakes Collection, reflecting decades in which Chevrolet’s sports car repeatedly redefined what an American two-seater could do on both the street and the track. Rounding out the group at the newer end is a 1997 Chevrolet Camaro Z28 30th Anniversary edition, a limited-production tribute built to mark three decades of the Camaro nameplate and now increasingly sought after as fourth-generation Camaros gain traction with collectors who grew up around them.
Taken together, the lineup reads like a condensed timeline of American performance, moving from the muscle car wars of the 1960s and 1970s through the more understated performance cars of the 1980s and into the nostalgia-driven specials of the 1990s. For Mecum, folding a themed collection like this into an already packed 1,200-car docket gives Harrisburg 2026 a natural storyline for bidders who collect around a specific era or nameplate rather than a single car. Registration for the sale is open now, and Mecum has published the collection online for advance previewing ahead of the July auction dates.
Cars from the Great Lakes Collection, including this 1970 Ford Mustang Boss 302, will cross the block at Mecum’s 2026 Harrisburg sale. Photo courtesy of Mecum Auctions.
The Great Lakes Collection logo. Image courtesy of Mecum Auctions.
Mecum has run its Harrisburg auction for more than a decade, and the sale has grown into one of the larger stops on its annual calendar alongside marquee events in Kissimmee and Indianapolis. A themed group like the Great Lakes Collection tends to draw both dedicated marque collectors and newer bidders looking for an easy entry point into a specific era of American performance, and dealers who track Mecum results say multi-car collections often perform well precisely because they let buyers build a small fleet in a single transaction rather than bidding against each other lot by lot.
John Lloyd 
Shawn Henry