This is a complete T Maxx 4910
https://sites.google.com/site/tinysmaxx/traxxas-assembly/t-maxx-5910
Classic pro .15
https://www.astramodel.cz/en/eview/traxxas-4007-trx-15/motor.html
If you hover over the pics right click then open in new tab, then double click that to open a big pic. You can...
Ebay has everything you need. You can go .15-.18 side exhaust or 2.5 rear exhaust. The 2.5 wide max a arms will work on the .15 and make it more stable.