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Turbo Wrap and Exhaust Pipe Wrap

November 07, 2018, 06:27:06 pm

I'm switching over to a resonator. I have that part figured and almost done. Anyhow, in researching different installs I note that several have added a wrap to the turbo and some have even wrapped the exhaust itself. What is the benefit of the turbo wrap and the pipe wrap? Is it just to keep heat out of the bedroom? Thanks.
jor

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Re: Turbo Wrap and Exhaust Pipe Wrap

Reply #1 – November 07, 2018, 06:48:48 pm

In my case the pipe wrap was added for extra heat protection for the hydraulic lines that were close.

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Re: Turbo Wrap and Exhaust Pipe Wrap

Reply #2 – November 07, 2018, 07:05:44 pm

Bob X2 I wrapped everything from elbow coming out of turbo all the way back to end of resonator-- protect wiring AC lines AC plastic fan mount.  the exhaust system puts off a lot of heat.  I used the fiberglass wrap with stainless ties off amazon.  Used 1 1/2 -50 rolls sprayed it down with black silicone spray made for that
Chris

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Reply #3 – November 07, 2018, 07:11:03 pm

Jor,

Good read in the quote here: "There are several substantial benefits of using a turbo blanket. Here are just a few:

First, a turbo blanket protects components within your engine bay. The turbo blanket isolates the heat produced by your turbocharger, and prevents that heat from damaging, or even igniting, components surrounding the turbocharger within your engine compartment, such as plastic and rubber hoses and electrical wiring, as well as painted surfaces, such as the engine bay and the surface of the hood. Also, it prevents areas of localized high temperature from damaging the engine itself. For example, a common cause of head gasket failure in turbocharged vehicles is localized heating of a portion of the engine. The heat differential between the portion of the engine near the turbocharger and the rest of the engine can cause warping of the head, and thus, head gasket failure. This has been a known cause of head gasket failure in both OEM and aftermarket turbocharged vehicles.

Second, a turbo blanket improves the performance of your turbocharger by keeping "the hot side hot." In keeping the exhaust gases within the turbocharger hot, turbocharger efficiency is improved. As you may know, the hotter a gas is, the more expansive it is. Within a contained system of a specified size, the more expansive a gas is, the greater the pressure derived and thus, the greater the flow of gas to escape the containment. With this increased pressure and flow rate for a given engine RPM, the acceleration of the turbocharger's impeller is increased as compared to the same turbocharger with the engine at the same RPM but with cooler exhaust gases. This equates to faster spool up of the turbocharger, as well as greater attainable levels of boost. What a driver will experience with a turbo blanket is greater turbocharger responsiveness. The faster spool up of the turbocharger means less turbo lag and a more linear power curve.

Third, a turbo blanket improves the performance of your turbocharger by keeping "the cool side cool." As you may know, it is very important to keep engine intake air cool. This is why intercoolers are often utilized with turbochargers. Similar to above, the cooler a gas is (such as intake air), the more dense it is. The more dense the intake air, the more oxygen it contains per unit volume. The more oxygen reaches the engine, the more power can be obtained. In keeping the heat of the exhaust gases contained within the hot side of the turbocharger and away from the cool side of the turbocharger and the intake path, more oxygen per unit volume reaches the engine, and thus, more power."

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Pierce

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Reply #4 – November 08, 2018, 11:17:44 am

Thanks for that good read, Pierce. Anyone with an 8.3 have a recommendation for a turbo blanket? I see blankets on Amazon for a T3 turbo. Is that what we have? They seem to be all over the place price wise. Thanks.
jor

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Re: Turbo Wrap and Exhaust Pipe Wrap

Reply #5 – November 08, 2018, 12:01:36 pm

I also used the turbo blanket and wrap and it solved the bedroom heat problem.  Because the resonator's proximity to the A/C condenser, I added a thin sheet of aluminum around the side of the resonator over the wrap to help shield the condenser.  I also used a layer of insulation that was "lying around" sandwiched between them.  In the photo you can see the wavy edge of the aluminum at the top.

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Reply #6 – November 08, 2018, 12:17:25 pm

The only downside I have ever heard about wrapping exhaust components is that it may contribute to rusting/corrosion/degradation due to the fact that it can absorb and retain moisture (when engine is cold).  Has anyone ever noticed this problem after extended usage of exhaust wrap on our diesel engines?  If so, is there any way to minimize this possible negative effect (other than using stainless for the whole exhaust system)?

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Reply #7 – November 08, 2018, 12:25:32 pm

Yes. For sure the wrap adds to rust inside the wrap . On tubing headers  the wrap will rust the tubes to pieces. Stainless solves this.
 For our turbo Diesels ,the wrap does all of the above , runs better, cooler bedroom ,  etc.
 In my case of the Cat 3208, the wrap only covers cast items  and the rust value is reduced .

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