I used this.

http://www.jegs.com/cgi-bin/ncommerc...85&prmenbr=361

It's basically just aluminum laminated with a layer of fiberglass. Pretty easy to work with.

 

Tks for the link. How much did you buy?

 

I think that I got the 12x24 in sheet. It was just enough to cover the tube. after you do all of the trimming.

Note: You'll want to clean the tube thoroughly with a degreaser, alcohol is probably best, to make sure the the adhesive will stick well.

 

"Right now I'm back to testing the stock insulated aircase and K&N drop-in filter for a second time. Why? Because some continue to say CAI's cause a loss of low end power. If so, I haven't noticed it yet on my G. What I have noticed is the ECM's AIT Sensor (air intake) temps are slightly higher and there's seems to be a loss of some power from around 4k rpm to redline. Hopefully some G-Tech Comp Pro runs will support this dyno-butt observation. If not, I'll have a trick CAI for sale."

For those who are asking, I've completed round two of testing and no, my CAI is not for sale.

 

DaveO - any pics of the insulation on the stock airbox. Just ordered the 12X24 piece from Summit. Hoping If I decide to do more than the tube that I will have enough to do the airbox.

 

Here you go Chris.

 

Just curious if anyone has actually done before and after real-time testing and logging with a OBD II scanner to see if you're actually seeing different air temp and timing results? I really doubt you'll see much difference if you've got a plastic pipe and even a metal pipe because even with that so called thermal barrier, the pipe is connected to the throttle body (and to the intake manifold) which heat soaks very quickly. When the throttle body heat soaks, the metal intake pipe will too, regardless of what it's wrapped in. With the thermal barrier, you'll probably see 2-5 degrees less, if that.

 

So 2-5 degrees is what to expect. I'm on board. That would be pretty significant to the ECU, perhaps. And your dealing with a Z car magazine editor that seems to have more objective documentation on intake flow temps recorded with a techtom display that shows timing, coolant and intake temps (great little gadget, by the way) while running on a huge flat test loop. I bet if we asked nicely DaveO would share his experiences and also could back it up with meticulous documentation.

 

yeah, i actually called daveO after some PM's and he explained looots to me. He's got some pretty empirical testing done and some seemingly solid evidence. =)

looking forwoard to the final results.

 

WHY do that to your car?. What are you going to gain 1HP for macking the engine look like S**T!

my .02

 

If looks are the issue, Thermotec has a not so bad looking solution

http://www.thermotec.com/products/full/14500/14500.html

 

how often do you look at your engine anyways? i say function over form.

 

Yeah and don't speculate about stuff you haven't tried.

 

I did try this years ago on another car with very much the same intake path and MAF sensor placement (right off the airbox). My data logging suggested absolutely no changes in ambient air intake temp at idle or at speed.

 

Always with the "other cars"........From the pulley torque value error to the intake manifold bolt tightening mistake.....THIS IS NOT A MAXIMA !

Until you actually do some testing ON A G35, I would be careful about your "suggestions"