I just had a set of Trick Flows opened up to match a 337 manifold,the ports polished, along with some flow numbers.



The work was done by Larry Smith of Flow Tech 2 Cylinder Heads. I can't say enough good about Larry, he is a pro and a great guy to deal with.

Trick flow heads, ported 246 cc runners
INT
1. 99
2. 170
3. 243
4. 306
5. 340
6. 352
7. 370
Ex flow 231 cfm at .700 lift