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Old 03-17-2009, 07:08 PM
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mismatch exhaust manifold

This might be a dumb question but I have been looking for exhaust manifold for my 49 truck. I found the left side from a 79 chevy pickup and the right side from a 87 pickup. Due to the tight compartment I could not use the same set. Does it matter if they are not a matching pair?

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Old 03-17-2009, 07:13 PM
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Originally Posted by 49dream
Does it matter if they are not a matching pair?
i really dont see why it would matter as long as they bolt up and match to the head properly.you are doing a custom truck right. you need to post some pics. cole
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Old 03-18-2009, 07:27 AM
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Unless this is a full time race application I doubt slightly different header lengths/configuration is going to make a noticeable difference in your performance. Most store-bought headers or exhaust manifolds do not have equa-length tubes...in fact, you'll pay an arm and a leg for equa-length matching tubes. And even the equal length headers I have seen often have a different configuration on the left than the right...in order to get around obstacles.
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