Deciding Between Vacuum Advance Ported or Manifold
If you've spent any time tinkering with older engines, you've definitely wrestled with whether to hook your vacuum advance ported or manifold. It's one of those classic garage debates that can go on for hours over a couple of cold drinks. Some guys swear by ported because that's how the factory did it for years, while the performance crowd usually leans toward manifold vacuum for a crisper throttle. Honestly, there isn't a one-size-fits-all answer, but understanding how your specific engine reacts to each one will save you a ton of frustration when you're trying to get that idle just right. ...