Thread: My Yerf upgrade thread
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  #78  
Old 11-08-2011, 06:11 AM
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SYCARMS SYCARMS is offline
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Join Date: Sep 2009
Location: Senatobia, Mississippi
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I have used it on metal but never have I had any luck on composite. It may work at first but eventually you will in short time be replacing a blown head gasket.

TOM
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