PASSENGER Bells and Whistles Joined Jun 8, 2007 Messages 267 Sep 20, 2010 #1 What is the maximum allowable for a 12v cylinder head?
7 72chevy New member Joined Jun 17, 2008 Messages 418 Sep 20, 2010 #2 You could ask Zach Hamilton, I have read about him taking off at least .080 to help with low lift flow numbers.
You could ask Zach Hamilton, I have read about him taking off at least .080 to help with low lift flow numbers.
