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Jolly Green Monster
19th January 2004, 12:24
Is there any point??

I have some spare exhaust wrap..

Simon

AndrewC
19th January 2004, 12:28
If it runs past anything hot that will cause the pipework to heat up then yes.

Not sure about exhaust wrap though, you want something to reflect the heat away from the pipework.

Andrew...

Jolly Green Monster
19th January 2004, 12:33
Well my coolant header tank is very nearly touching one pipe so worth insulating there I guess.. also I cannot see a bit of tin foil stopping much.. where as exhaust wrap does seem to keep heat in and I assume heat out therefore too?

That same pipe then runs over the top of the turbo.. and into the hot throttle body (no spacers)..

Thinking about it I have a thermocouple Floyd gave me I'll reconnect it and try messing with exhaust wrap and foil etc..

I presume from turbo to intercooler run probably wants to do the opposite seeing as the air is more likely to be hotter than anything it passes as it is a few inches above the engine.

Simon http://bbs.22b.com/ubb/smile.gif

Adam M
19th January 2004, 12:41
You can have exhaust wrap coated in tin foil which will reflect the radiation far more effectively than you give it credit for.

Jolly Green Monster
19th January 2004, 12:43
Oooh.. both..

Might have a look at playing on the pipe to the throttle body then..

What about turbo to intercooler tohugh?

Am I right in thinking it is best left alone?

I did notice an increase in temps when I shortened the pipework and got it nearer the engine.

Thanks

Simon

Adam M
19th January 2004, 13:40
that will be the hottest bit at the top part of the engine bay.

It might be woth heat sinking that like the did to radio controlled car motors.

Weld some fins on to them or something. Greater metal mass will also carry away more heat.

Jolly Green Monster
19th January 2004, 13:44
<BLOCKQUOTE>quote:</font><HR>Originally posted by Adam M:
that will be the hottest bit at the top part of the engine bay.

It might be woth heat sinking that like the did to radio controlled car motors.

Weld some fins on to them or something. Greater metal mass will also carry away more heat.<HR></BLOCKQUOTE>

ha ha I am just remembering what my welding is like.. think that might be a bit ott..
but then the turbo is mounted fairly near the block so might be worth insulting it with foil there.

Simon

MorayMackenzie
19th January 2004, 14:31
I suspect that lack of space could well be an issue with regards to welding heat sinks onto I/C pipework. Scoobies aren't exactly known for excessive space in the engine bay.

Also a heat sink would require airflow to help carry the heat away, and it would act in the reverse direction when sitting around in traffic.

I suspect that insulation with, maybe, a reflective overcover would be by far the better idea.

Jolly Green Monster
19th January 2004, 14:32
but is there any point before the intercooler???

After I can see the benefit and will be looking at it tonight and record some temps..
shame I cannot log the temps to the laptop and of course it is not hot summer at the moment lol..

Simon

Jolly Green Monster
19th January 2004, 14:47
Come to think about it the air filter to turbo pipe work might be benefitial too?

Simon

johnfelstead
19th January 2004, 16:12
lag it all, you can never have enough heat radiation protection.

Mount a fan over the engine, just like with a porsche 917 Le Mans car, that will work too. http://bbs.22b.com/ubb/biggrin.gif

Jolly Green Monster
19th January 2004, 16:28
lol

Perhaps I just remove the bonnet?!

Simon http://bbs.22b.com/ubb/biggrin.gif

johnfelstead
19th January 2004, 17:49
Just leave a scoop mounted to the IC, 1970's F1 style. http://bbs.22b.com/ubb/biggrin.gif

Andy.F
19th January 2004, 18:37
Set up your air con to have a secondary circuit, wrap the expansion pipe section (cold bit) around your I/C pipework and inlet manifold, then lag it. Chill it prior to an event but switch off the air con during the run......cool http://bbs.22b.com/ubb/biggrin.gif

Fuzz
19th January 2004, 19:42
Felt my hot side was far too close to the airfilter...
so wrapped that in exhaust wrap,

http://home.clara.net/andy.c/finalinlet.jpg

Andy

Jolly Green Monster
19th January 2004, 21:01
Andy.F,

Air con is currently in the garage.. http://bbs.22b.com/ubb/smile.gif

Andy,

That is what I had in mind only for that same pipe but to protect it from my coolant header tank..

I'll have a play..

Thanks

Simon http://bbs.22b.com/ubb/biggrin.gif

Jolly Green Monster
19th January 2004, 21:39
Just had a quick look and if I wrap the pipe then it will not fit in the current location as it would be too fat..

Might have to just use foil on that pipe..

pipe over the turbo should be okay to wrap as plenty of space there.

Simon http://bbs.22b.com/ubb/smile.gif