The L88 package was a racing upgrade for the Corvette that was offered from 1967 to 1969 and included a 427-cubic-inch V8 ... last year went for an even lower price. The Sunfire Yellow car ...

The biggest surprise, though, was a 1967 coupe ... The L89 added aluminum heads to the 427 for a few dozen pounds of weight savings and a lower center of gravity. It was an expensive option ...

"porcupine" head engine appeared in 1965, followed by the 427 ... Corvette owners, but also to a sampling of Car and Driver's nearly 400,000 readers, who voted it the Best All-Around Car of 1967 ...