Absolutely agree. The chink head can get pretty far. On the street, not a big deal. On the track for a race car, very big deal. The chink head would be an easy 100HP down, no problem.
Absolutely not true. A full boogie W5 head can make a true 700 horsepower( based on both dyno and track results)
A ” chink” head can make 650 without moving the pushrod based on dyno and track results.
A poster on here has been 6.0’s at 112 at right at 2900 pounds with a smallish roller and under 12 to 1 compression already With a non offfest chink head
