Tap and die sets include a gauge that calculates threads per inch. Select the corresponding die that matches with the reading on the thread per inch gauge, and set the die in the handle that comes with the set.
The IROC-Z model of the Chevrolet Camaro first made its public appearance in 1985 as an add on option to the 1985 Camaro Z28 model. But its origin began long before that. IROC stands for International Race of Champions which is an automobile racing series similar to what NASCAR is.
1957 was the last year for both the Nash and Hudson marques, which were dropped in favor of Rambler, simplifying sales and marketing. The Rebel was launched as the first American factory hot-rod. It came in silver, with silver and black upholstery, a new 255 hp 4 bbl 327 cid V-8, four speed or auto, and dual exhaust.