Thanks for the replies.
I just bought a roll of the 3M Temflex 1755 for $2.66 from Platt Electric Supply. I'm a little worried about the 176F temp rating as some of my wire harnesses route nearby my turbo, but I'll give it a shot to see how it holds up.
I found the cloth tape for wire harnesses from Year One, but it's non-adhesive :^(
The tape I'm looking for is like hockey tape, but I also found this tape from Primelec that's rated at 221F:
http://www.primelec.com/Electronic-C...-p2829382.html
At $2.99 a roll, it sounds like a steal. I'll order some also.