hmmm what des the actual adapter look like? i ordered some premade MDF ones that fit a 6.5" they should be in this week ill take a pic so you can compare yours i dont know if they will it yet but im assuming so. as my roomate did the same in his lexus and they fit just fine.
hell you can even look them up on ebay if you want to see what they look like... actually here
http://cgi.ebay.com/ebaymotors/ws/eB...3AIT&viewitem=
ill report back on fitment when i install them. sorry that dosent help you problem right now though
z