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It's not a Barracuda, but I have 225/70-R14 Cooper Cobra tires on my 1970 Duster. These are on stock 14x6 big bolt pattern wheels behind the wheel covers. The rear is raised a little and there is plenty of clearance. The front rubbed on the lower front fender on turns, especially if hitting a dip at the same time. I re-contoured the front edges for clearance.
It's not a Barracuda, but I have 225/70-R14 Cooper Cobra tires on my 1970 Duster. These are on stock 14x6 big bolt pattern wheels behind the wheel covers. The rear is raised a little and there is plenty of clearance. The front rubbed on the lower front fender on turns, especially if hitting a dip at the same time. I re-contoured the front edges for clearance.