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.
The Chevrolet Vega is a subcompact automobile that was produced by Chevrolet from 1970 to 1977. Available in two-door hatchback, notchback, wagon, and panel delivery body styles, all models were powered by an inline four-cylinder engine with a lightweight, aluminum alloy cylinder block.