Could be the throw-out bearing on the starter didn't fully engage the flywheel. I've had this happen to lots of cars in the past, and it being that cold could cause it to be worse: lubricant tends to turn to jello then cement the colder it gets.
Smokin Joe Fission
1986 Fiero SE 2.8
Perhaps I shouldn't have taken on a Fiero that the original owner said he liked to work on, especially after it spent some time 'submerged'. At least the car was free.
[This message has been edited by smokinjoefission (edited 01-19-2004).]