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fadedSTi
05-18-2005, 10:19 AM
ive been doing alot of reading on the heatwrap that you can put on a turbo. people have seen nice gains on the dyno from this and the boost builds alot better. anyone here done this mod or have any info on this mod? how hard is it to install? what do i have to take off to put the wrap on? thanks for any info

heres one of the links i have been reading about it

http://www.imprezawrxsti.com/forums/showthread.php?t=24467
Franklin
05-18-2005, 10:34 AM
No problem. I didn't get carmats when I got my car either ;) :lol:
fadedSTi
05-18-2005, 10:38 AM
http://www.imprezawrxsti.com/forums/showthread.php?t=24467


thanks for the fix:thumbup: i edited my post
kickslop
05-18-2005, 03:46 PM
I have a DEI turbo blanket (uninstalled). We'll see...

Just wanted to let you know of another option. I got mine from eastwood.com, but here is one of the few links I could find showing it, etc (eastwood.com seems to no longer have them).

http://suprasport.com/product.asp?itemid=102&catid=87
Billy
05-18-2005, 04:09 PM
I've made a few heat shields at my friends shop before...bolt ons. Actually, I more or less ruined some metal and he made some functional ones. That's always another option.
FastRaft WRX
05-18-2005, 08:04 PM
i wrapped my downpipe, did notice a large drop on my egt gauge...
fadedSTi
05-19-2005, 09:34 AM
i wrapped my downpipe, did notice a large drop on my egt gauge...


you wrap the entire pipe?
fadedSTi
05-19-2005, 09:37 AM
I have a DEI turbo blanket (uninstalled). We'll see...

Just wanted to let you know of another option. I got mine from eastwood.com, but here is one of the few links I could find showing it, etc (eastwood.com seems to no longer have them).

http://suprasport.com/product.asp?itemid=102&catid=87

i ordered the one from my post yesterday. ill post my results when it comes in. are these easy to install?
smooth_ej20
05-19-2005, 12:14 PM
from what I've heard from other people, wrapping a turbo is a pita. I say go with a decent heatshield and you should get roughly the same results. Cusco makes real nice one for like $80. you can get it at www.z1auto.com
Alberto411
05-19-2005, 12:21 PM
from what I've heard from other people, wrapping a turbo is a pita. I say go with a decent heatshield and you should get roughly the same results. Cusco makes real nice one for like $80. you can get it at www.z1auto.com

www.gruppe-s.com sells their own also for almost 1/2 that. I have it and I like it.

-AL-
JonLGT
05-19-2005, 12:22 PM
i wrapped my downpipe, did notice a large drop on my egt gauge...

How would the wrap drop egt? doesent it just keep heat from escaping the pipe?
lstepnio
05-19-2005, 12:29 PM
How would the wrap drop egt? doesent it just keep heat from escaping the pipe?

+1


You'll see zero drop in EGT unless you're measuring the EGT in the silencer can. :lol:
FastRaft WRX
05-19-2005, 01:19 PM
no i didnt wrap the entire pipe, and i dunno how it dropped the egt's lol....good question, just seemed to run a lot cooler...
kickslop
05-19-2005, 01:22 PM
Well, here's my take.

Unless a metal heat shield has been made to fit around the turbo very closely and has been insulated on the underside to reflect the heat from the turbo, all you're doing is absorbing heat into the heat shield which will then radiate heat as well.

As an example, not that it necessarily requires any proving... there's a reason the heat shields on your exhaust manifold practically seal around the piping... and if you pull one off, you'll find fiberglass insulation pieces between the exhaust piping and the inner side of the shield.

I am not suggesting metal "roughly covering the turbo area" heat shields are totally ineffective, but I do think a lot of people don't understand the difference between the two approaches.

There's "keeping the heat IN" and there's "kinda keeping the heat around the turbo sort..."

Go touch the top of your metal heat shield at a stop light sometime :)
JonLGT
05-19-2005, 03:35 PM
Could the drop in temperature of air going into the engine from less heat soak lower the temp of the air coming out? could that possibly lower EGT? that would be my only guess.
lstepnio
05-19-2005, 03:49 PM
Could the drop in temperature of air going into the engine from less heat soak lower the temp of the air coming out? could that possibly lower EGT? that would be my only guess.

I really don't think so.

I'd be very intrested in the EGT probe placement if someone did see a drop in the EGT with this type of situation. I've seen several people use an O2 bung on an aftermarket downpipe for the EGT probe which would be pretty up there when it comes to being useless.
StiGuy
05-19-2005, 09:52 PM
Please educate me on since this is my first turbo car. But be gentle!. :lol:

Useless because it's too far downstream to be accurate?

I've seen several people use an O2 bung on an aftermarket downpipe for the EGT probe which would be pretty up there when it comes to being useless.
Billy
05-20-2005, 09:22 AM
Please educate me on since this is my first turbo car. But be gentle!. :lol:

Useless because it's too far downstream to be accurate?
Ideally you want to place the EGT probe as close to the leanest cylinder. Doing that will show you the worst-case scenario for your EGTs. Placing it after the turbo in the downpipe isn't going to give accurate readings.