On Mar 14, 2011, at 2:13 AM, Paul Hunt wrote: > Cat cars had the restricted filler neck which won't accept an unleaded nozzle. Right, but the '75 wasn't a cat car. No restricted neck, no warnings about unleaded fuel only. It did have the horrid convoluted intake/exhaust manifold that came withe cursed ZS carb... and this goofy one-off gas cap.