Quote Originally Posted by Dunes2006 View Post
on a 3.25 headers and injectors i understand..but on 3.4 ... mm

You need more then headers for a 3.25 on a High compression block..... Thats like running a 2.9 on a gtp. And on a 3.4 pulley With a AFR of 11.9 I was hitting 109 percent injector duty cycle. Pull out the plugs, See if any are smashed