in case you need to know, the trans model number is A413if you want to build the trans, i think the high HP turbododge guys use minivan internals in theirs, anyways, heres a good A413 site,http://www.omniturbo.com/Turbo%20Mopars%20Home.htmyou can find more about them in the transmission section of http://www.turbododge.com/