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Old Jan 31, 2024 | 02:31 PM
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Originally Posted by Jamon Norton
nope…. And I’m thinking the mechanic over tightened them…. When I turn the clamp it just never gets tight and it’s not stripped which leads me to believe it is crushing it… also low boost
Get the plenum inserts...problem solved....
 
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Old Jan 31, 2024 | 02:37 PM
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Originally Posted by bwguardian
Get the plenum inserts...problem solved....
definitely a lot easier than installing new plenums
 
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Old Jan 31, 2024 | 02:57 PM
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Originally Posted by Jamon Norton
definitely a lot easier than installing new plenums
...plus not as restrictive...
 
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Old Jan 31, 2024 | 03:43 PM
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Originally Posted by Jamon Norton
definitely a lot easier than installing new plenums
Would be worth checking current plenums for boost leaks as if they are leaky they'll have to be redone anyway (oil exposure can, over time, make the silicone a bit loose on them in my experience).
 
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Old Jan 31, 2024 | 04:15 PM
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Originally Posted by PriusLover
Would be worth checking current plenums for boost leaks as if they are leaky they'll have to be redone anyway (oil exposure can, over time, make the silicone a bit loose on them in my experience).
planned on it
 
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Old Jan 31, 2024 | 05:13 PM
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You asked about gaskets. I believe @ESwift has used some on his plenums.
 
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Old Jan 31, 2024 | 05:31 PM
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I have the riffraff plenums with cometic gaskets, I wasn’t comfortable with using the o-rings or rtv silicone
 
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Old Feb 2, 2024 | 01:38 AM
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Originally Posted by rsqfxr
I have the riffraff plenums with cometic gaskets, I wasn’t comfortable with using the o-rings or rtv silicone
Curious how that worked out. How long on the fix and any oddball issues?
 
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Old Feb 2, 2024 | 09:26 AM
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Originally Posted by aawlberninf350
Curious how that worked out. How long on the fix and any oddball issues?
it was straight forward, i watched an old video that said to cut the bolt out up near the hpop, DO NOT CUT THE BOLT, the new plenums have a slit cut because you cant pull the bolt out completely
 
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Old Feb 2, 2024 | 11:59 AM
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Originally Posted by rsqfxr
wasn’t comfortable with using the o-rings
Out of curiosity why a lack of faith in the o-rings? RR says they'll take 150 PSI of boost.
 
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Old Feb 2, 2024 | 12:05 PM
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Originally Posted by PriusLover
Out of curiosity why a lack of faith in the o-rings? RR says they'll take 150 PSI of boost.
the O-rings thread into a small passage on the intake plenum, without the assistance of some type of adhesive to hold them in place i wasn’t sure they would stay put during the installation
 
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Old Feb 2, 2024 | 12:09 PM
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Yeah it's a delicate operation to get them in. I think added a little tacky grease to help retain them when I did my install.
 
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Old Nov 22, 2025 | 02:17 AM
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Originally Posted by RacinJasonWV
You asked about gaskets. I believe @ESwift has used some on his plenums.

Im so glad i finally found aomeone else using the gasket instead of the o ring. How has it held up so far
 
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Old Nov 22, 2025 | 05:18 AM
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Originally Posted by BenRod
Im so glad i finally found aomeone else using the gasket instead of the o ring. How has it held up so far
The Cometic gaskets have held up great, zero issues
 
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Old Nov 22, 2025 | 08:01 AM
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The oring setup is the best and cleanest way to go hands down. I would recommend a little anti seize on the bolts though
 
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