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LS4 Exhaust manifolds and crossover on an LS1?

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Old 05-27-2010, 10:21 AM
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Default LS4 Exhaust manifolds and crossover on an LS1?
Hi guys,

New here.
Will the LS4 exhaust manifolds mate up to the heads from an LS1 engine?

Or do the flanges not line up?

Thanks for the help!
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Old 05-27-2010, 11:36 AM
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It will work. All cathedral port LSx heads are the same.
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Old 05-27-2010, 11:55 AM
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Thanks
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Old 05-27-2010, 12:02 PM
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Originally Posted by ignorantprodigy
Thanks
Sure thing.
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