Check out this Edelbrock 409 Chevy engine as it undergoes heavy modifications. It features brand new Edelbrock cylinder heads, JE forged pistons, and a lot of modern technology! Check it out at ...

The 409 came in two versions, both at 11-1 compression. A single four-barrel 409 came with solid lifters and 380 horses, while your dad's 409 delivered 409 horses, although in 1963 the same engine ...

But many people don’t know that, starting in 1962, Chevy also made a detuned version — much lower compression, with a two-barrel carb — for the bigger trucks.