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99 dyna convertible 88 twin cam bubbling noise from exhaust at idle

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99 dyna convertible 88 twin cam bubbling noise from exhaust at idle

 
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Old 07-12-2019, 10:04 PM
Meckley75
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Default 99 dyna convertible 88 twin cam bubbling noise from exhaust at idle

I have a 99 dyna convertible with an 88 twin cam, it has the stock air intake on it with vance and hines straight shot slip ons, at an idle it has a bubbling noise coming from the exhaust and it makes the same while decelerating, i tried to adjust the air/fuel mixture screw but cant get rid of the noise, any ideas on what it could be?
 
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Old 07-13-2019, 03:43 AM
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Would check for Exhaust Leak first then Intake.. If have the Original Intake Seals, won't be a waste of money changing them anyway on a Machine that's 20 Years Old ..
 
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Old 07-14-2019, 04:06 PM
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HArd to be sure exactly what you mean by "bubbling noise"... My first guess would be that it's too rich at idle, but just guessing.
 
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Old 07-14-2019, 04:10 PM
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Thanks, im gonna work on it tomorrow, it has new intake gaskets so im gonna try the exhaust gaskets and see what that does
 

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