Just had four 6.5" DB651 speakers installed into my Ford Ranger by abc warehouse and the speakers were installed off centered because he didn't use adapter plates. I believe the hole for the Ranger is 5x7 (or 6x8?), so I would like to get adapter plates to make the 6.5s fit properly and to reduce vibration.

My question is: If I installed adapter plates, would there be enough clearance between the tweeter and the door panel? Most adapters I've seen are 1/4" thick, and it looks like the tweeter is already pretty close to the panel. I've been looking at car-speaker-adapters.com, and might get them from there... What brands would you recommend? Any advice would be greatly appreciated!