Blocking your intake resonator?

JoshH

Daggum farm truck
Staff member
Vendor/Sponsor
Feb 14, 2007
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I've personally never really seen a reason to block it, but I know a lot of guys do it. If you do and you use one of those expansion/test plugs that has a cairrage bolt with a wing nut or something similar, make sure the nut stays tight. Also, it would probably be a good idea to use one that has metal ends instead of plastic. I just saw this a couple of days ago.

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Last edited:

jlawles2

Well-known member
Jan 28, 2010
1,059
40
48
Danbury, TX
The plug I found had a metal washer that was too big for the resonator to fit back on the truck. I ground the washer down but it still will not fit down the hole. And it is a tight fit.

As for the bolt, It is drilled and has a safety pin in it so it cannot drop into the intake.

Also when I blocked the PCV, did the same thing, drilled and installed safety pin.
 

JoshH

Daggum farm truck
Staff member
Vendor/Sponsor
Feb 14, 2007
13,716
779
113
Texas!!!
The plug I found had a metal washer that was too big for the resonator to fit back on the truck. I ground the washer down but it still will not fit down the hole. And it is a tight fit.

As for the bolt, It is drilled and has a safety pin in it so it cannot drop into the intake.

Also when I blocked the PCV, did the same thing, drilled and installed safety pin.
That's a good idea on the safety pin. I'm not sure if anyone else sells them, but Alligator sells a billet plug with an O-ring seal for both the resonator and PCV.
 

Kspen90

<<<got turbos?
Jul 14, 2011
1,433
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Burleson, Tx
Sadly my compressor wheel looks just like that but it happened before i had the truck :( oh well ill put a batmo in one of these days.
 

coker6303

Keep Calm and Chive On!!
Aug 6, 2009
2,484
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Houston, TX
Why not use a 2" rubber cap? No way for anything to fall in and it fits perfect.

I removed mine for access, I don't think there is any performance gain at all.

Sent from my ADR6400L using Tapatalk
 

arneson

New member
Aug 14, 2011
2,133
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stoughton, wisconsin
X2 on the rubber cap. Worked great for me also. Did a few friends that way to. No issues. Took mine off now cause of the mpi twins I'm installing this week.:D but would use the cap again for sure.
 

JMK777

16's, but i keep em clean
Mar 20, 2008
1,433
5
38
Moss Beach
What is wrong with a $3 rubber cap and hose clamp? sticking something in the hole is asking for it.
 

JoshH

Daggum farm truck
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Feb 14, 2007
13,716
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Texas!!!
Untill they crack and let your sweet engine eat dirt. Ive heard of too many cracking along the seam and alowing unfiltered air into the intake.
I have never seen one crack. Not saying it can't happen, but I can't believe it's all that common.
 

Mike_S

OOPS!
Nov 18, 2009
803
0
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Idaho
Think its more of a first generation engine issue, plus there might be something in the air here...LOL! There are 2 i know of here locally in my dinky town, and a few ive read about online. I think its prety cheap insurance, provided you do it right.