We all love ‘em, and those of us who’ve had one love to hate ‘em. We’re talking about the always sporty and ever unreliably Wankel-powered Mazda RX-7. It’s been 8 years since the last one rolled out of Mazda HQ; and guess what? The generation 4 due to be released this year has been delayed—for engine problems. Go figure. The motorheads over at 0-60 Mag have the story right here.