View Single Post
Old June 12th, 2018, 11:57 AM
melsg5's Avatar
melsg5 melsg5 is online now
Senior Member
Join Date: Dec 2008
Posts: 18,490
melsg5 is on a distinguished road
You always check ignition first as stated above, correct dwell angle, if you have points, and timing. Removing mufflers isn't going to have a noticeable effect on idle quality. If ignition checks out, adjust the idle mixture and speed screws.
1971 GTO 455 HO Ram Air
Reply With Quote