Does anyone know if the exhaust port spacing for an LZ9 is the same as or close to the 3400 series? I know the exhaust manifold bolt placement is different and I can assume the LZ9 has larger ports but I am curious about the port spacing. If anyone knows the diameter/size (I know they are D shaped) of an LZ9 exhaust port that would be helpful too.
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Hope this helps. I made the mistake and bought lz9 ones instead of lx9s. I sold my one to mars. Maybe he has the measurements.
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Thanks. I have an LZ9 equipped Impala and I am trying to experiment with exhaust improvements. What I need to know is how close the spacing of 3400 exhaust ports are to 3900 exhaust ports. I wish I had a picture of both engine's exhaust gaskets laid over one another...Comment
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Then again, the spacing seems damn close...Thanks.Comment
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Ask mars/ marsman on here. He may be able to assist you.
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I might have exhaust gaskets from an LZ and an LA1Comment
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