A bit of research would have turned up the following results:
1) Either 6.5" or 6.75" speakers fit in the doors. Some will tell you that you need an adapter to use 6.5" speakers-- the reality is, it depends on who makes the speakers. I am using a set of 6.5" speakers from Polk with no adapters and they're snug as a bug. Not all speakers that are 6.5" are ACTUALLY 6.5" from one end of the mounting bracket to the other.
2) The post approximately 5-10 posts below yours:
Here.
Good luck, and if you have any further questions, feel free to ask.
