Heat coating vs. Heat wrapping - Ford Powerstroke Diesel Forum
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post #1 of 7 Old 05-20-2009, 08:05 PM Thread Starter
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Heat coating vs. Heat wrapping

As I get along in the build of my 04.4 motor I want to increase spool up and decrease egts and engine heat. i am going to either heat coat the exh manifolds, down pipe and IC tubes, or heat wrap them. Which should I do? I am being told heat wrapping the IC tubes, manifolds, down pipe and heat blanket the turbo should accomplish what i want. I think heat wrap will be cost effective too. Any thoughts

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post #2 of 7 Old 05-20-2009, 08:16 PM
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I heard that heat wrap makes the pipes hotter because they cant let off heat, So your engine compartment wont be as hot, but your EGTS will be up?
Idk thats what i heard.

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post #3 of 7 Old 05-20-2009, 08:44 PM
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Don't wrap or coat your IC tubes. Don't you want them to give off heat like the IC?

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post #4 of 7 Old 05-20-2009, 10:04 PM Thread Starter
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I may jet coat the IC tubes, for the look and for the lwer temps

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post #5 of 7 Old 05-21-2009, 06:34 AM
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I have my manifolds and downpipe cermaic coated, I will soon be installing a II turbo with the turbine section coated as well as the y-pipe and EGR up-pipe. I have not experienced any increased EGTs with the mainfolds installed. I have a IR thermometer that showed a drop in surface temps of the manifolds. I'd have to do it again to tell you the difference between the EGT gauge and what the IR is reading on the surface.

You actually WANT the heat to remain inside the exhaust. I can't explain the science behind it all, but I can lead you to a more qualified person to explain it. Have an open mind and you will see why it works.

There is a shop here in VA that uses the quality coating that's rated at 2000*F. It's not cheap for the whole setup to be done, but it's MUCH better looking than wrapping your exhaust pieces.


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post #6 of 7 Old 05-21-2009, 07:52 AM
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I'd ceramic coat everything and then also wrap the up-pipes and manifolds.

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post #7 of 7 Old 05-21-2009, 08:17 AM Thread Starter
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Thats one thing that concerns me is th elook of the heat coating vs. the wrapping.

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