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Exhaust Burble...what causes it.

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Old Mar 17, 2009 | 10:26 PM
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Default Exhaust Burble...what causes it.

Love the way my Corsa Exhaust will occasionally have that cool sounding burble when coming to a stop. But what causes it.

-Thx.
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Old Mar 17, 2009 | 10:49 PM
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Cross over pipe and the uneven firing of the American muscle 90 degree V-8.
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Old Mar 17, 2009 | 10:58 PM
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Originally Posted by calemasters
Cross over pipe and the uneven firing of the American muscle 90 degree V-8.
Oh well...still like the way it sounds
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Old Mar 17, 2009 | 11:33 PM
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Originally Posted by St.Char
Love the way my Corsa Exhaust will occasionally have that cool sounding burble when coming to a stop. But what causes it.

-Thx.
Retarded ignition timing during deceleration and unburnt fuel (injector shut off).
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Old Mar 18, 2009 | 12:20 AM
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Unburnt fuel.
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Old Mar 18, 2009 | 01:09 PM
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Originally Posted by calemasters
Cross over pipe and the uneven firing of the American muscle 90 degree V-8.
the LS motor are entirly different than the old motors, IE; firing order is different, in order to get the car lower, the engine is laid out more past 90 degree's, the pistons are staggerd to make the engine shorter
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