Got my intake valves cleaned at A-Spec Tuning in Schaumburg, Illinois on Thursday. Couldn't be happier!
Check out my blog post for more high-res pictures and details:
http://www.my1series.com/2014/04/28/...valves-cleaned
Before/After Walnut Blasting 1-3 by
Jake Spence Photography, on Flickr
Before/After Walnut Blasting 4-6 by
Jake Spence Photography, on Flickr