Dec 21, 2008 #1 R redd222 New Member Joined Jun 7, 2008 Messages 59 1987 buick gn fresh 4.1 stock crank heads 204/214 cam bored 40 over running rough. idles from 900 to 1000
1987 buick gn fresh 4.1 stock crank heads 204/214 cam bored 40 over running rough. idles from 900 to 1000
Dec 21, 2008 #3 D DailyDrifter The Slow and the Curious Joined Dec 5, 2007 Messages 5,118 might wanna try to post some your readings if you have a scantool.
