If you've ever seen a 1955-57 Chevy classic car and wondered what its original specifications were, there's one way to find out for certain: examine the VIN plate and the trim tag. These two pieces of metal were riveted onto the body of all Tri Five Chevy vehicles, and each provides some valuable information on the way they looked when they left the GM assembly line back in the 1950s. Read on to learn how to use our 1955-57 Chevy VIN decoder and trim tag decoder to find out more about your own '55-57 Chevy, or one you're thinking about buying and restoring.

The 1958-1964 Chevy Impala and its Delray, Biscayne, and Bel Air siblings are hugely popular platforms for restoration and modification. These versatile Full Size Chevy cars were available in a wide range of configurations, from sporty 2-door hardtops and convertibles to family-friendly 4-door sedans and station wagons. As a result, it's easy to get confused about which of these vehicle series was paired with a certain model, or to mix up terminology (e.g. sedan versus hardtop). The Classic Industries R&D team has done a substantial amount of research into these details, so today we're going to share some of it with you. Read on to learn about 1958-64 Impala models and body styles.

The Mopar A, B, and E-body platforms of the 1960s and 1970s include many legends of the muscle car era. It's no surprise that popular models such as the Charger, Challenger, 'Cuda, and Road Runner are highly desirable today. We've developed a wide selection of restoration parts for Mopar vehicles, and this process has helped us gain some insight into the original release of these classic muscle cars. Today, we'll take a look back at Mopar history and examine the estimated production numbers, determining the approximate number of A, B, and E-body Dodge and Plymouth vehicles built each year between 1960 and 1976.

Given the massive popularity of the first-generation Camaro, it's no surprise that owners of these classic cars are interested in learning more about their vehicles' origins. Some of them have been restored, some have been resto-modded, and a few have been turned into hot rods that greatly diverge from their original specs. Thankfully, it's still possible to check how each of these cars left the General Motors production line, as long as you know where to look. Our 1967-1969 Camaro trim tag decoder can help you learn important details about your Camaro's assembly plant, interior trim, exterior paint color, and more.

The year was 1987, and General Motors was preparing to phase out the popular rear-wheel-drive G-body chassis. In order to give this legendary platform a fitting send-off, Buick engineers got to work to create what some have called one of the most menacing cars to ever roll out of Detroit. The result was known as the Buick GNX, short for Grand National Experimental. A total of 547 GNXs were produced, and each began life as a fully-optioned Grand National. So, what's the difference between a Grand National and GNX? Read on as we take a detailed look at the '87 Buick GNX specs.