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Custom Dodge Ram Performance Mods - Engine - 5.7 HEMI V8 Discuss modifying your Dodge Ram with Performance Parts and Accessories!
Factory Spec: 5.7-liter HEMI® V8 engine - 390 horsepower, 407 lb-ft of torque.


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  #1  
Old 04-18-2011, 07:10 PM
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I recently installed a Spectre CAI. Disconnected the battery so the computer would figure out that somethings changed. I haven't put many miles on it ( less then 35). But I noticed that at about 35mphish I can hear a what I think is a possible backfire then all is normal. I don't know if it is the computer not yet figuring out that something has changed or if I have an issue. I didn't notice it with the stock filter and all. Any thoughts would be appreciated. Thanks in advance!
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Old 04-18-2011, 07:34 PM
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is it more of a girgling sound, then when you give it a little more gas, it goes away and the tone gets deeper?

If it is, I get that on my 07 QC Hemi right after I put the K&N CAI in. I think its because I removed the big Hemi hat "Baffle" so the sound is more noticeable.

I also heard that it may be the EGR valve but not too sure about that...
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Old 04-18-2011, 07:45 PM
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It's more of a PPFFTT noise if you can imagine that...lol . Lie an old backfire from the carb noise( If it had a crab lol.)
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Old 04-18-2011, 07:46 PM
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Not sure what you're experiencing. Hopefully a tech will jump it.

A big Hello and a Warm Carolina WELCOME! I hope you make the most of the best RAM ForumZ on the Web; drop by the Newbie Checkin and introduce yourself. Use the link in my signature to get there!
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Old 04-18-2011, 07:49 PM
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Quote:
Originally Posted by MFitzs70 View Post
It's more of a PPFFTT noise if you can imagine that...lol . Lie an old backfire from the carb noise( If it had a crab lol.)
I had that on my '06 with the 4.7; it was normal according to my dealer. Just couldn't hear the noise with all the baffles that were removed.
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Old 04-18-2011, 09:08 PM
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That's normal. Just make sure that all your connections are tight.
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