Cylinder Head Runner Volumes

[trmnatr]

Originally Posted by Tom Moock

Woodro, I was told on 11-21-08 by NHRA. ca. tech dept, Pat Crengros no port runner volumes list for 2009, mite have list out mid year, for 2010, also heard second hand form Wayne Lewis they were not pouring int. or ext. runner in 2009, waiting to have new heads made for 2009, did they change their mind in ca,? Tom

What is it they are trying to change? They gonna allow larger or smaller heads??