Intercooler Piping insulation
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Posting Guru
Joined: Feb 2004
Posts: 2,248
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From: Elverson, PA
Intercooler Piping insulation
Obviously I've got no money left for real mods and I was bored today!! 
I heard that the factory insulation that is on the pipe between the turbo and the intercooler is to knock down the turbo noise - not for heat insulation?? Anyone hear anything about this or know if it is true?? Ever since I put my stacks on - I can't hardly even hear the turbo anymore.
I'd love to slice that stuff off and let the turbo scream - if that's what it does!! 
Any info would be great!!
I heard that the factory insulation that is on the pipe between the turbo and the intercooler is to knock down the turbo noise - not for heat insulation?? Anyone hear anything about this or know if it is true?? Ever since I put my stacks on - I can't hardly even hear the turbo anymore.
I'd love to slice that stuff off and let the turbo scream - if that's what it does!! Any info would be great!!
Fleet Mechanic
Joined: Aug 2003
Posts: 1,782
Likes: 100
From: Phoenix, AZ
I stripped the thermal insulation off of the hot side pipe and had both pipes ceramic coated along with the "Y" pipe. I did not re-apply the thermal wrap.
I have noticed a new sound since I removed the wrap and had the ceramic coating applied. Almost like a air leak noise under acceleration.
Thinkin it was a CAC leak, I ordered and installed the new DieselSite boots and it still did it. Removed those boots and re-installed the originals and triple checked all of the clamps. Same sound.
No performance or boost loss, just that damn ticking kinda air leak sound. Almost like a header gasket leak.
I have noticed a new sound since I removed the wrap and had the ceramic coating applied. Almost like a air leak noise under acceleration.
Thinkin it was a CAC leak, I ordered and installed the new DieselSite boots and it still did it. Removed those boots and re-installed the originals and triple checked all of the clamps. Same sound.
No performance or boost loss, just that damn ticking kinda air leak sound. Almost like a header gasket leak.
New User
Joined: Sep 2004
Posts: 11
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i stripped the insulation off my intercooler pipes too and as well i got a noise that sounded like a air leak, at first i thought it was leaking from a hose clamp at the intercooler or else where but i could not find a leak and i did not notice any performance loss, so i left it.
Fleet Owner
Joined: Jun 2004
Posts: 25,090
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From: Rio Rico, AZ.
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New User
Joined: Sep 2004
Posts: 11
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i did not have a choice, i swapped my PSD into a 1991 chassis and had to modify my OEM intercooler pipes to work, so the insulation had to be removed. no big deal though, power gain was well worth it.
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Senior User
Joined: Sep 2004
Posts: 131
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From: Romulus, Michigan
catman that is there for insulation since the driver side pipe comes closer to the manifold than the passenger side I bought some nice pipe insulators from a shop in MI 75 bucks a piece they work well I can touch the covers and no heat at all where I used to not be able to touch them after a hard run my truck is running mid 13s so I need ever bit of help that I can get with heat control go to this site and call for details www.paulshp.com hope this helps.
Fleet Mechanic
Joined: Aug 2003
Posts: 1,782
Likes: 100
From: Phoenix, AZ
Freddy,
Where does the heat go if it doesn't dissipate outside the thermal wrap?
I would say that the heat is contained within your intercooler system?
True measure of your CAC heat would be the air inside the CAC system.
My temps dropped an average of 15 degrees on the outside of the pipes when I had the ceramic coated the inside and outside of the pipes.
I should have tapped a probe on the intercooler tube to see what the before and after temps were.
Where does the heat go if it doesn't dissipate outside the thermal wrap?
I would say that the heat is contained within your intercooler system?
True measure of your CAC heat would be the air inside the CAC system.
My temps dropped an average of 15 degrees on the outside of the pipes when I had the ceramic coated the inside and outside of the pipes.
I should have tapped a probe on the intercooler tube to see what the before and after temps were.
Senior User
Joined: Sep 2004
Posts: 131
Likes: 0
From: Romulus, Michigan
I really cannot answer that one I have ceramic coated intercooler pipes and they used to get real hot before I put these sleeves over them so I really don't know where the heat goes paulshp.com they could answer that question better I know that I have every mod that you can think of except propane,nitrous and such so heat is of great interest to me I just know that the heat is not on the sleeves or pipes anymore hope this helps.
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Wolverine69
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73, 95, cooler, diesel, f250, ford, innercooler, insulating, insulation, inter, intercooler, lightning, pipe, piping, powerstroke, tubes, wrap
