If it were me, I'd probably just repair the wires too. ...then always regret that I didn't fix it right while I had the engine out.
From what I remember, Flaps10 made his own tool. Here's the post, but Photobucket killed the pictures:
my DIY engine rebuild
I know there have been some other similar posts as well.
Also, try posting in the
title of a thread that you are looking for the tool.