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Home » Public Forums » GMCnet » replacing driver's side head on a 455 (Jumping into unknown waters and any help appreciated)
Re: [GMCnet] Re: replacing driver's side head on a 455 [message #362932 is a reply to message #362860] Sun, 21 March 2021 19:46 Go to previous messageGo to previous message
rgogan is currently offline  rgogan   United States
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Registered: February 2004
Location: Milwaukee, WI
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Next issue is my aluminum intake manifold that is an exact copy of the original GMC motorhome cast iron manifold. I bought it when it was first manufactured 10 years ago and now because of this bad head issue I am finally getting ready to install it. It came without any paint and despite it being aluminum, I suspect it should be painted. Any advice on painting an aluminum intake manifold? Several vendors are selling the 500 degree Fahrenheit original 455 blue metallic paint but I don't know if that will adhere to the aluminum. Is there a special prep needed and do gasket surfaces get painted also?

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