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Firing Order Swap?

This is a discussion on Firing Order Swap? within the General Help forums, part of the LSx Technical Help Section category; Ok. So a coworker of mine was trying to explain to me how changing the firing order (cylinders 4&7 i ...

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    Member Mr Z's Avatar
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    Firing Order Swap?

    Ok. So a coworker of mine was trying to explain to me how changing the firing order (cylinders 4&7 i think) would increase power. Is he right? And is this doable in our engines?

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    LoudMouth SStriker's Avatar
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    thats a trick on 1st gen SBCs. And it requires a speical cam.

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    Member danziger's Avatar
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    Yah, that's an old-school trick. Can't do it on the LSx as:
    1) We already use that imroved firing order
    2) No distributor...coil on plug
    3) The PCM would freak out

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    Member Mr Z's Avatar
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    That what I was thinking. My main question to him was why GM wouldn't have done that in the first place. His response was because of emissions. I knew you guys would be able to give a definate answer. Thanks guys.

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