Pontiac Disguised Its Fastest 1962 Car as Grandma’s Sedan – It Hid a 405-HP Engine Chevy Couldn’t Touch by Jack Harmon Pontiac built a plain-looking 1962 Catalina that hid a race-bred 421 V8 and an aluminum front end under its ordinary sheet metal. Here’s how this “sleeper” quietly outran Chevy’s famous 409 — and why so few of them survive today.