I'm in the process of fitting my JMB cold air intake and I figured after all the effort to make it go on the car, adding some heat shielding would be a rather trivial addition to the project. I've heard it mentioned they can heat soak and it does get hot here. It's basically all flat surfaces so it should be easy.
Any suggestions for material?
-> self adhesive
-> actually works
-> lasts and looks good for a long time
-> preferably silver or black and not gold although that wouldn't be the end of the world
Cost is not an object.
Yup, the big black piece.
[---T-- L -OlllllllO-]
Last edited by dave6666; February 20th, 2013 at 07:08 PM.
Reason: Does it matter you nosy bitch?
Too snugly with mine. When I got the car back - hood was closed - it popped pretty good when I hit the release, and I could never get it to close again. Even taking some steps I never would with an expensive body part like that. So it's been off the car since I got it back, and now I'm going to trim it to make that snug fit. And to be able to close the hood without slamming it or sitting on it or whatever was done to it when the car was delivered.
I definitely have this intake on my mod radar. I thought it was supposed to fit snugly with the hood...I guess not.
Every viper hood is a little different. Minor trimming required but its unnoticeable for the final installation because it has a rubber piece that goes around the exposed edge. It is definitely a nice addition.
In regards to heat soak I don't think its a huge issue with this setup. The box acts like shields over the headers, it puts space between parts. The intake filters don't contact the metal of the box except in a minimal amount at the very tip of the K&N's so I don't see how heat soak would be a problem. You could probably remove some of that heat with insulation though. I ended up having one made from aluminum, 9lbs lighter. Not that it matters to me about weight savings but it came out very nice. I'll see if I can find my photos.
As small as that intake is 9lb difference was surprising to me. When my buddy was done I thought he was BS'ing me, I had to have it measure to verify because I didn't believe him. Either way, like header shields its blocking the heat from the intake tubes creating a buffer zone between the metal box and intake filter, at least that is what it appears to me. I am basing my opinion off of those folks who have put a bent piece of metal between their headers and brake lines to prevent the fluid from boiling due to an air gap. (I don't sell the aluminum ones by the way so please don't message me about them, JMB makes a high quality product in my eyes so please order from them, Only exception is their yellow is the wrong color for Gen 2)
Used in the right places DEI Reflect-A-Gold Tape is amazing at keeping heat where it should be and out of where it shouldn't. Although it is some pretty expensive tape.
This ^^^ does a "little".
Most people thinks since it is "gold" ("gold" in color only) that is works......seeing how McLaren used if under the hood of their F1 car street car. What all the fan boys fail to mention that the F1 uses Real GOLD, not just some gold colored foil. Real gold.....well Dave I am sure you know.
Now back to the gold colored foil. Does it work? Sure, a little. Had it under my top mount I/C at one time. Also in other areas. Tried the silver color also, same thing, work a little. Matter of fact, it did not matter what color the foil was as long as it was reflective and not flat or matte in color.
* Measured IAT's to get real world #'s. No but/ricer dyno here.
Hmm, I have seen sufficient data to prove this stuff works in the correct applications. Whether or not it is "real gold" that produces the best results I do not know but this tape's ability to reflect radiant heat is impressive. Many I have seen use it in unison with exhaust heat wrap in order to keep the heat from the exhaust off of the engine and other components. It all depends on application. I don't have enough posts to post urls but there is at least one video of a direct burn test where the DEI tape lowered the temperature by over 100 degrees. You are probably right about the IAT's not changing much though. Do you still have the data from when you tested it?
Once I installed this intake, the AIT temperatures I measured stayed nice and cool compared to the stock air box. With the stock air box idling in the garage at around 70F, the AIT would get up past 100F. Once I installed the JMB box, the AIT stayed right around ambient air temp even though the car wasn't moving through the air.
I do have the version with the Vipair type front lip on it which picks up more cool air. From the pic it looks like you may have the box without that part.
I also had to trim my air box to clear the hood. I put a small stairstep in it on the front edge which is visible in this picture.
this is probably obvious, but, the reflectivity (gold/silver versus black) of the material only affects radiated heat, you still have to worry about convected and and conducted heat. At the front of the engine, those are probably the predominant modes of heat transfer. The silver/tin foil products work great at elevated temps where radiated heat transfer is more prevalent, such as at the headers. On my car I have a reflective plate on both frame rails, these shield the oil pan from the headers.
I don't know how important it is, but, I have a similar air intake and I fabricated an aluminum plate that seals off the area below the air box. It is 1/8" aluminum and bolts to the cross member and rests on top of the radiator.
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