http://www.insultmonger.com/swearing/finnish.htm
Read this. There might be some useful things. These are not car-related, but do i think you might need some of them.
*Learning Finnish (Useful Words/Phrases) for English Users
-Kahta en vaihda...toinen on sukka ja toinen on toinen sukka...
www.samatsukat.fi
www.samatsukat.fi