I did a search and couldnt find a downloadable internet service manual for the rx8. does anyone have one or know where to get it? I have a 2004 if it matters.

Here you go, its not the whole thing I believe, but its got some good stuff.

http://www.myrotarycar.com/portal/forum/uploads/RX8TX/Manuals/CD05-xx-03le/index.html

Here you go Buddy, its available in ebay

http://cgi.ebay.com/ebaymotors/2004-MAZDA-RX-8-OWNERS-OWNERS-MANUAL-RX8_W0QQcmdZViewItemQQcategoryZ34226QQhashZitem160 081489301QQihZ006QQitemZ160081489301QQrdZ1QQsspage nameZWDVW

Here you go Buddy, its available in ebay

http://cgi.ebay.com/ebaymotors/2004-MAZDA-RX-8-OWNERS-OWNERS-MANUAL-RX8_W0QQcmdZViewItemQQcategoryZ34226QQhashZitem160 081489301QQihZ006QQitemZ160081489301QQrdZ1QQsspage nameZWDVW

That is an Owner's Manual. He's looking for the Service Manual.

I found this link from the DIY section:
http://www.hi-impact.org/ryang/modify/rx8_manuals/rx8_manuals.html