There is no engine platform more ubiquitous in the hot-rodding community than the small-block Chevy. Of that engine family, the Gen I holds on as the longest running and most popular—sorry to break it to you, LS. With small-block Chevy production starting for the ’55 model year, the basic technology of this engine is, admittedly, old. But the magic of the small-block lies in its overwhelming aftermarket
