mbiz61

Bryan you can try an old motorcycle trick on the mirror if the vibration is very annoying. Take a small stick on weight, the kind from ceiling fans works well and stick it on the backside of the mirror. Two small pieces on either side will change the harmonics and may move the vibration out of your driving zone (rpm) range. The more weight the higher the harmonics. It's inexpensive and removable but may look a bit strange. Make it the same color as the mirror so it doesn't show up.

The ZCON is going to be held in Nashua, NH from the 5th of Aug 2013 to the 9th. Here is a link that gives all the info. ZCON2013 | ZCON New England

I am going but not until Tuesday for the car show. The good part is it is only just over an hours drive from where I live. Unfortunately my 83ZX will not be ready to drive to the show. Thought it would but still at the paint shop and lots of parts to put back on after it gets back. Guess I will have to take out my frustration at the Budweiser brewery. That is where the car show is going to happen. Have a great time in wonderful NH!

Try Borini over at the zcar website. He is great guy to deal with and seems to have most everything. Specially the nice little odd things like this. On the plus side for you he lives in Phoenix.