Thread: Walnut Blasting
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      03-26-2013, 11:48 AM   #20
Trptguy
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Drives: '87 BMW 325ic, '08 BMW 135i
Join Date: Jul 2011
Location: Littleton, MA

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I think most shops will shy away from the group thing mainly because it is time intensive to get this done. It is roughly 30min per valve not to mention taking off the manifold and then buttoning it back up.

Last edited by Trptguy; 03-26-2013 at 12:41 PM.