Let's Build a 416 with Cast Iron Heads and Manifolds
You won’t have any trouble running 12’s with that combo. I ran 11.82 with a stock stroke 340 with J or X heads back in the late 1970’s in my duster. But I did have small headers on it.
You won’t have any trouble running 12’s with that combo. I ran 11.82 with a stock stroke 340 with J or X heads back in the late 1970’s in my duster. But I did have small headers on it.