I wanted to add my 2 cents here... as you can see, earlier in this thread I posted about my fear of the blanket. I've been running a blanket on my TD04 since day one but it was mostly street use.

It turns out, after a couple of lapping sessions, the car started to smoke really bad on idle (blue smoke)... no issue on boost. And when I say really bad, it was really bad.

After a bit of troubleshooting (compression test + leakdown) and with the help of this thread I decided to go ahead and rebuild the turbo in a local shop since the engine was looking okay.

Bearings were black. Overheated. A lot. (I suck, I forgot to take pictures)

Looks like my bearings didn't like lapping session with the blanket on.

No longer smoke on idle since I installed the rebuilt turbo.

Made a heatshield to replace the blanket.

So I learned, blanket for street use. Heatshield for track use.

 

I like your heat shield, just leave it that way.

 

Heat shield period. If track car, nothing else over there to fry but maybe the mixing manifold anyway. And hood vents. If I use a blanket at all it will be over the brake and clutch masters. Except not because brake fluid is horrible flammable caustic crap and a spongy blanket of it catching fire right by an open driver's side window is not a fun exit drill. It would probably be slightly worse than dripping brake fluid down the firewall and catching it of the exhaust under the car.

Shield plus vents wins because it does not fry the turbo (helps it) and it protects all the other stuff in there and lowers the overall temps. Evo's are setup this way from the factory.

 

The rubber heater/coolant hoses will get brittle and fail, too.

 

Is it a recommended practice to switch to silicone hoses?

 

I couldn't find a silicone heater hose for the nb. So I just wrapped them in a lava heat wrap.

 

Ehh, interesting to find this thread.

I currently have my turbo exhaust housing in a PTP Blanket with begi downpipe wrapped in the lava heat wrap.

It DOES cut down on heat, but it also holds in that heat on the turbine. I've noticed I have been leaking oil from my compressor side, not sure on the exhaust but I wouldn't doubt it.

 

I just put fire sleeve over mine, which did require disconnecting it on one end to slide the sleeve on.

 

The Mishimoto 94-97 silicone heater hoses fit and work perfectly in an NB, ask me how I know.

 

Been considering a blanket. I think this video just convinced me to get one.

 

I run a DEI blanket and it works really well. Not cheap, but also won't catch on fire. Be very careful with the off-brand stuff, there are a lot of fires caused by them.

 

Yeah, I'm looking at a PTP blanket for an EFR from full race.

 

hahahahahahaha. The reason I dont run a blanket and even wont after the irrefutable evidence is that my DEI blanket caught fire a couple times when my oil feed was misting it.

 

sounds like really dumb operator error. blanket won't fix negligence

 

Sounds suspiciously more like an oil fire than a blanket fire, but I might be subject to different cause and effect rules than Leafy.

 

On a related issue, what about coatings for exhaust manifolds? My FM manifold has gotten pretty rusty after a couple of years. A friend had his powder coated. Will that stand up to the heat? Just don't worry about it? Who does what to their exhaust manifolds?

Paul

 

I don't like it when hot things make hot flammable things catch fire.

 

No exhaust blanket or wrap catches fire without oil or something else flammable on it. You get an oil leak an DEI flames up just like the old fiberglass. No blanket and an oil leak is just some smoke.

 

Yeah, but that smoke could be your brake or clutch fluid, not oil!

 

A good metal heat shield setup could be just as beneficial for radiant heat. I ran a Lava PTP blanket on my first GT2860 and it was cooked to death. Never again.

The facts stated in the video are, negligible IMO.

Heat is expansion, sprinkle on some turbo magic, the compressor creates more psi as result. Trapped heat that close to bearings long term may increase wear.

Ceramic Coating exhaust manifolds is common, check out swaintech's white lightning. May want to have the manifold sand blasted inside and out if it has rust, this way you may possibly avoid a cleaning fee.