Guys,
I've been around here reading for several years now and I'm finally posting on a problem I can't seem to find a solution to.
I have a 1995 Regal 322 with twin Merc 7.4L Bravo 3's with Thunderbolt V ignition systems and Weber 4bbl carbs. I have a hesitation / stumble around 1300-1600 rpms...