Check out the Huron speed thread located a few threads below yours, in the forced induction section. located here:
http://www.camaro5.com/forums/showthread.php?t=425169
Read that thread, they fight it all the time. They are burning wires too. Some of them have solved it, at least for a while anyway. DEI makes thermal blankets for the wires, I think.
**EDIT** Sorry if you can't find it in that thread, check this one out.
http://www.camaro5.com/forums/showthread.php?t=445782