IMT O-Ring replacement (short route) w/pics FAQ
Veteran Member
Joined: May 2009
Posts: 27,519
Likes: 4,910
From: Yorkshire, England
Inlet or intake, yes.
I think the underlying issue is how the air flows.
It pulses - caused by the way the cylinders take in air.
Also, air (like everything with mass) has inertia.
So it's to do with impedance matching, sound, efficiency (and probably other stuff I don't know about).
There must be pages about this stuff if you do web searches...
I think the underlying issue is how the air flows.
It pulses - caused by the way the cylinders take in air.
Also, air (like everything with mass) has inertia.
So it's to do with impedance matching, sound, efficiency (and probably other stuff I don't know about).
There must be pages about this stuff if you do web searches...
Senior Member
Joined: Jan 2022
Posts: 556
Likes: 187
From: Glasgow
Inlet or intake, yes.
I think the underlying issue is how the air flows.
It pulses - caused by the way the cylinders take in air.
Also, air (like everything with mass) has inertia.
So it's to do with impedance matching, sound, efficiency (and probably other stuff I don't know about).
There must be pages about this stuff if you do web searches...
I think the underlying issue is how the air flows.
It pulses - caused by the way the cylinders take in air.
Also, air (like everything with mass) has inertia.
So it's to do with impedance matching, sound, efficiency (and probably other stuff I don't know about).
There must be pages about this stuff if you do web searches...
Junior Member
Joined: Nov 2024
Posts: 1
Likes: 0
From: Las Vegas nevada
Hi where do I buy the o rings for $5.00 please?
The new-style green IMT O-rings are noticeably thicker and rounder than the factory-installed yellow ones. Also, the green color is actually a sealant that takes effect once you get those IMT valves seated back into their chambers and heat up the engine....
As common as this problem is there's no question that sooner or later, any owner with the original yellow factory IMT O-rings will develop leaks and must replace them. If you can do this yourself, the cost of the repair is less than $5. My two new O-rings cost $2.15 plus tax each....
As common as this problem is there's no question that sooner or later, any owner with the original yellow factory IMT O-rings will develop leaks and must replace them. If you can do this yourself, the cost of the repair is less than $5. My two new O-rings cost $2.15 plus tax each....
Joined: Oct 2007
Posts: 121,060
Likes: 6,652
From: PHX some of the time
Welcome to the forum,
Try a search for the part number C2S40669 I expect the price will have risen.
Try a search for the part number C2S40669 I expect the price will have risen.
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