The only real limitation is space. It is a 1.5 Din space . I have a 1 din unit in mine and built an adaptor to cover the front area. Length can be an issue with some of the CD player Pop out screen units. You may have to remove material from the back to fit a longer unit.
I have 87 and 88 GT's and installed 2 DIN Dual radios in both. I did have to make a few modifications to make them fit, but I'm by no means a master craftsman when it comes to this stuff. I wanted a 2 DIN so I could run back up cameras to the radio. My sons drive these cars and it seems the cameras help them. It's kind of a novelty item to have back up cameras in 30+ year old cars. It was also a good learning experience. I'll post pictures when I get some time. Radio has Bluetooth, aux, usb and is a CD/DVD player.
I have two 7" pop out screens with bluetooth and GPS NAV built in as well as a rear view camera. These units were installed in the 1.5 DIN slot using the supplied adapter and I am satisfied. One unit is a Kenwood and the other one is a Jensen.
Here is the Kenwood unit with the screen open.
Nelson
[This message has been edited by hnthomps (edited 01-03-2019).]
Here's my thread on a new style 2 din unit that has a separate screen- makes it easier to install. It was done in my El Camino, but same 1.5 din space to work with. It's an Android unit, so it works pretty much like your Android phone ( as far as apps go).
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