Quote:
Originally Posted by blackrosenova400
Its best to leave anything out of the intake tract. EOS.
Swifty, where was yours done?
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Turbine Housing = exhaust not intake
As Floppy said, if all you coat is the outside, you are trapping all that heat in the metal, and not leaving it a nice escape route do to the ceramic coating on it. Coating it inside as well, will give you a barrier helping to prevent some of that heat from ever even entering the metal. Go read up on a lot of the coating forums, and you'll see a majority of them are going to recommend coating both inside and outside.
I also had mine done by Bob at Form and Function. As others have said, he works out of MAP's shop now which is nice and convenient. I had both my manifold, and my turbine housing coated with his Black TurboX coating, inside and out. I definately recommend him.
If you do a search on here for "Ceramic Coating", you'll probably run into the thread I started about a year ago on it. You'll see my pictures in there.