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      04-16-2012, 09:45 AM   #63
wren57
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Drives: 335i
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Quote:
Originally Posted by lilballa View Post
Not likely to damage intake and turbos, but i'm pretty sure walnut blasting will create small scratches where you blast it, which will causes carbon to buildup easier. So theoretically, you would have to clean them more often.
I doubt walnut shells are harder than our intake valve runners (or whatever they're called).