12-13-2019, 10:16 AM
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Member
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Join Date: Jun 2014
Location: SA, TX
Posts: 6,479
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Quote:
Originally Posted by Thecastle
if seafoam worked to remove carbon deposits no one would walnut blast anymore.....
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On direct injection engines no it won't do anything for the valves so walnut blasting is a thing.
Not debating its effectiveness, but I'll keep using it as it gives me a warm fuzzy. The smoke show itself is very entertaining on old dirty engines. 
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2005 X5 4.4i Build 04/05 Maintenance/Build Log
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