Since 1982, Original Parts Group, Inc. has been in the business of manufacturing and retailing the finest quality GM restoration parts and accessories in the industry. This year at the 2017 Specialty Equipment Market Association (SEMA) show, OPGI made headlines with their brand new booth and the two pristine muscle cars they brought along to go with it. (more…)
Original Parts Group Inc. (OPGI), Customer Frank Nagle is the proud owner of this clean 1969 Buick Riviera. This Riviera is obviously another example of the many really nice cars we see here at OPGI’s Seal Beach, California headquarters building. We asked Frank if we could share photos of his car here on the OPGI Blog and he not only said “yes,” but also added that he would write up the history of the car to share with our viewers as well. Without…
Buick’s legendary V-8 engine from the mid-fifties to the mid-sixties is often called the “nailhead” motor due to its long, thin-stemmed valves with small diameter heads that resemble vertical rows of nails. The first Buick nailhead engines (debuting in 1953) had a 1.75″ intake and a 1.25″ exhaust valve, and even the later Wildcat 401 nailhead V-8s from the mid-sixties had valves that were much smaller than those used in Chevrolet engines at the time. However, the new Buick V-8…
