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Old 08-22-2012, 12:32 AM   #4
geronimo81
Scooby Specialist
 
Member#: 154586
Join Date: Jul 2007
Chapter/Region: BAIC
Location: San Ramon
Vehicle:
1996 Turbo Outback
9psi on 91 No EM

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Napa sells a green nylon brush for your drill that is made specifically for cleaning off aluminum. It works awesome on heads/block and is super easy with a drill. I can't find it online but they will know what you are talking about if you go in. It leaves a polished/smooth surface!
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