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**JET** · 03-23-2005

The spray is mainly used to fill in the imperfections in the head and block. If they are left open then air can start to work its way through. The copper spray blocks that. It also has the sticking capabilities too. Nash nearly held 40 psi on a copper sprayed stocker. It did hold 35psi with ARP's.

03-23-2005	#8
JET Is funding Exxon. Join Date: Oct 2003 Location: Ham Lake Drives: like a bat outta hell! Posts: 7,983	Re: HG install techniques The spray is mainly used to fill in the imperfections in the head and block. If they are left open then air can start to work its way through. The copper spray blocks that. It also has the sticking capabilities too. Nash nearly held 40 psi on a copper sprayed stocker. It did hold 35psi with ARP's. __________________ Is burning corn and stayin' warm! My motorcycle is stock and reliable, my Talon is neither!