66 Barracuda A/C vent to dash dimension

66FormulaS273 said
Not sure if 67 would be the same, I thought 67 had a separate bracket that attached to the dash and then to the vent. I may wrong though

67 to at least 69 uses the 2 bolts. 68 might be a bit different. Due to the lower dash pad

Out of a 67 Dart.