A very timely thread, I am going through a similar process with mine at the moment. I tried to cut one manifold down and duraweld an ally box on to it, that went badly wrong as I could not get enough heat in to the job. I have since acquired a manifold off a Galaxy - it goes down instead of up. I don't think it is going to work though as on the galaxy the manifold incorporates the injector ports, whereas in the sierra the ports are built in to the head. This all means that the galaxy manifold won't seal to the Sierra head. Also the throttle body is different and the manifold has an awful lot of holes in it that need to be filled. I have thought of loads of ways of doing the job but am still nowhere with it. I am having another look at the galaxy manifold today, that chemical metal may be the answer to fill the inlet ports and then reshape them.
Best to all,
Enoch
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28th August 2010, 10:40 AM
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