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loudmouths backfiring

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Old Aug 20, 2005 | 01:09 PM
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Default loudmouths
my loudmouths tend to backfire alot and i was wondering if this was common or if theres something wrong
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Old Aug 20, 2005 | 06:57 PM
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totally normal.. it happens more on the LS1's then the LT1's
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Old Aug 20, 2005 | 10:03 PM
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oh thanks
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Old Aug 21, 2005 | 04:02 PM
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mine does it when you let off the gas completely
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Old Aug 21, 2005 | 06:09 PM
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yeha thats when mine does it mostly
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Old Aug 21, 2005 | 06:17 PM
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Thats most free flowing exhaust, espc. exhaust like Loudmouth or something with a straight through exhaust or exhaust with resonators. I personally like it.
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Old Aug 21, 2005 | 09:09 PM
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My LM backfires a lot when letting off the gas too.
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Old Aug 21, 2005 | 09:30 PM
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What about when starting?If its pops real loud is that a problem?
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Old Aug 21, 2005 | 10:06 PM
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it's called RAZ. It's un-burned fuel lighting off in the pipes.
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Old Aug 21, 2005 | 10:39 PM
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its not 'back fireing", lol! Back fireing would sound like a shot gun going off.
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Old Aug 22, 2005 | 01:03 PM
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Loudmouths pop not backfire.
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Old Aug 22, 2005 | 05:38 PM
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Mine used to do it on cold starts.
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Old Aug 22, 2005 | 06:27 PM
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Mine does it once I step on the gas and let go. Also, between the shifts when I race.
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Old Aug 22, 2005 | 06:54 PM
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Originally Posted by MakoLS1
its not 'back fireing", lol! Back fireing would sound like a shot gun going off.
Ill have you know mine has been doing it for over a year now, and just the other day it was a little colder than usual... It sounded like 2 shotguns going off right after each other. It's never been that loud before, me and my G/F just looked at each other wide eyed LOL.

Probably not a good thing huh?

And ya, a back fire would be going BACK through the intake no? not a good thing at all
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