Agent Orange

Thermo coat your lower and upper intake manifold for a colder intake charge equaling greater horspower.

Step 1 get your lower and upper intake manifold sand blasted.

Step2 scrub them with bake parts cleaner not carb cleaner.

Step3 spray them with thermo coat and then bake the for 300 degrees for one hour.

Step4 assemble.

This coat will susbtantially lower heat transfer from the turbo into the lower and upper intake manifold.

Sand blasted manifolds 40$
Thermo coat 15$
Piece of crap spray gun 15$

Evil Aviator

Neither the air temperature drop, nor the horsepower increase, will be substantial. In some cases it may even slightly increase intake air temperature and slightly decrease horsepower. However, it will at least look snappy if you do a good job.

Zero R

iTrader: (1)

Agreed heat soak will set in regardless, best way to lower intake temps is evaporative cooling through something like methanol.

silentblu

iTrader: (1)

so ceramic coating will not help, or heat shielding?

kenn_chan

if you coat the down pipe, turbine hotside and manifold you could keep the underhood temps slightly lower, which would help with intake air temps as many do not do a proper CAI when running singles but coating the intake mainifold itself would not be nearly as effective as coating the exhaust would be. like Zero and Evil said heat soaking is your main worry and I think it probably comes from the keg itself through conduction vice radiant heat.

kenn

rotarygod

iTrader: (1)

We aren't looking for an intake temperature drop. We are looking for a lack of heat increase namely from ambient engine bay heat. You can't stop the inevitable but you can slow it down. Thermal coating is one way to do it whether it be on the manifolds or heat shielding around a turbo. It does work. Don't expect to be faster though due to lower intake temps. That's not what it does.

This isn't a worthless mod. It's a good one and cheap makes it better. It isn't a miracle power adder though. In fact it doesn't "add" anything. It's only slowing down the onset of power loss through heatsoak although it will eventually happen anyways.

Evil Aviator

Who is "we" and what are you talking about?

rotarygod

iTrader: (1)

Um, yeah.... Refer to post #1 for topic information. "We" is a generic term meant to imply those who are doing something rather than a specific person.

Evil Aviator

OK, topic information as per post #1: "Thermo coat your lower and upper intake manifold for a colder intake charge equaling greater horspower."

As per your post: "We aren't looking for an intake temperature drop."

Therefore, when you use "we", you are either not including the original poster, or you do not understand the post. Additionally, I would certainly like to have an intake temperature drop with my car, so I am getting a feeling that "we" really just means you, unless anybody else would like to add to this thread and state otherwise.

Why? I could care less about engine bay heat unless the engine bay components are getting damaged.

OK, so if it does work, but it does not make the car faster, then what does it do?

Let's see, it isn't worthless, it's a good one, but it doesn't add anything. Is this a riddle, or were you just drunk when you wrote it?

Gorilla RE

iTrader: (1)

Agent Orange

I like Rotary God's mato

"One test result is worth more than a thousand expert opinions."

"If you aren't testing, you are guessing."

"Cheap usually costs more and rushing things usually takes more time."


I have actually tested this out and it does work I have also kept something to myself and it is a mod that goes with this as well.

This is a mod in wich you bore out the bolt holes in your manifold and use fenalic tubing to surround the studs, use the buy the same material in washer form and cut out gaskets and sandwich them in between your LIM and block and between your LIM and UIM and throttle body if you like. Although, I regret not shooting the manifolds with a temp gun but it was a mod that allowed you to beat your car up on the street with and go out to Auto Cross and consistently run it and handle the manifold with your bare hands and without a problem.

The coating actually doesn't go on manifolds. This is what the label says coating is Powerkote High temperature thermal barrier coating
CBC1 For: Pistons, combustion chambers, and valves.

Tech Line coatings, inc.
26844 Admas Ave.
Murrieta, CA 92562
# 972-775-6130
Part number 2213

Batch-0512-8

This mods slows down heat transfer from the turbo and the block itself. The intake temp have been lowered substantially seeing how there is no metal to metal contact between the block and the manifolds however this was on a stock turbo pushing 10psi. And the water going through the manifolds was blocked because I was running FD rotor housings.

If you really don't believe in this mod then check out the heat tranfer numbers on fenalic and the Powerkote.


Oh, the fenalic is material all together is 60$ and takes about a couple of hours to put together.

Vierte

iTrader: (2)

what?

do you not care if engine management sensors are reading correctly? do you not care about the temperature of the ambient air flowing through your air filter? do you not care about all those wires and vacuum lines that become brittle from the typical high temps of an rx7 engine bay? at what temperature do engine bay components start to become damaged? do you know the temperature of your engine bay during normal and spirited operations?

an additional note:

i talked to turblown about their thermal coatings a while back and they told me about a couple of the benefits they have seen from coating rotor faces. first they saw a drop in oil operating temperatures, they also claim to see quicker turbo spool times. i dont have experience with either so this is really just hearsay but i can reason that both are possible.

RacerXtreme7

iTrader: (2)

It's Phenolic, not fenalic. I've done a very simular mod, as I have tons of the stuff laying around in sheet form here at work. I've done essentually the same thing except I've made phenolic spacer between the block and lower intake manifold using 1/4" phenolic sheet too, then as you bored the manifold holes out and placed phenolic stand-offs/barrels to isolate the studs and used phenolic washers.

~Mike.........

Agent Orange

Thanks. It's a mod worth doing and some people just want to say what they feel without trying it or asking someone that already has. Do research if you don't think something works before you reply, like check out the heat transferability on certain materials or read the concept carefully and find out what is going on, the goal, and the science behind it.