You should weld it up good but fit a small burst plate on the manifold at the top. That way the thin burst plate will explode outwards if any fuel ignites in future without damaging anything else.
If you look at drag v8's they sometimes have this burst plate on the manifold under the whipple charger.
http://www.visnerengine.com/standard-burst-plate.html
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Last edited by POLARBEAR666; 22-07-2008 at 09:06 PM.
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