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 Post subject: Exhaust wrap smoking
PostPosted: Thu Nov 19, 2009 8:04 pm 
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848cc
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Joined: Wed Mar 12, 2008 12:29 pm
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Location: Ferntree Gully, Melbourne
How hot is the exhaust manifold meant to get? After rebuilding the engine, I ran the cam in and kept it above 2000rpm, after awhile the extractors were glowing red!

The paint in the engine bay directly next to the exhaust was burning and smoking! So I bought some exhaust wrap to help insulate some of the heat. My question is, does exhaust wrap smoke when new:?:

Here is a video of it starting to smoke up
http://www.youtube.com/watch?v=PBEp98OALnM

And one after the engine is off
http://www.youtube.com/watch?v=SmdzG38NSaY

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PostPosted: Thu Nov 19, 2009 8:10 pm 
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1360cc
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Joined: Mon Aug 23, 2004 10:07 pm
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I don't think the exhaust is supposed to get red, I'd see if your car is running too lean.


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PostPosted: Thu Nov 19, 2009 8:12 pm 
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needs to be tuned... timing is way out.

been told same thing from some one once...


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PostPosted: Thu Nov 19, 2009 8:13 pm 
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848cc
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I swapped in a new needle today, old needle was infact running too lean mid-high end. Old needle was a BBA, new is BCF.

But is exhaust wrap meant to smoke up? :?
Seems an awful lot of smoke.

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 Post subject:
PostPosted: Thu Nov 19, 2009 8:15 pm 
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Joined: Wed Jul 21, 2004 10:32 pm
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MrDerrickC wrote:
I swapped in a new needle today, old needle was infact running too lean mid-high end. Old needle was a BBA, new is BCF.

But is exhaust wrap meant to smoke up? :?
Seems an awful lot of smoke.

Exhaust wrap smokes till it is cured.


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PostPosted: Thu Nov 19, 2009 8:17 pm 
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848cc
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Location: Ferntree Gully, Melbourne
Cool, will let it smoke more and will also check my timing tomorrow.

Thanks guys!

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 Post subject:
PostPosted: Fri Nov 20, 2009 12:33 am 
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848cc
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Joined: Thu Dec 27, 2007 4:45 pm
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Location: southern tasmania
where can you buy exhaust wrap,tried up here,no go????

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PostPosted: Fri Nov 20, 2009 10:12 am 
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Location: Cairns, Nrth QLD
I got mine at Rice Barn years ago.

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 Post subject:
PostPosted: Fri Nov 20, 2009 10:15 am 
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Joined: Thu Feb 08, 2007 12:40 pm
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They still have it, I saw it there a couple of weeks ago when buying extractor paint.

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 Post subject:
PostPosted: Fri Nov 20, 2009 10:28 am 
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Joined: Sun Mar 29, 2009 10:46 pm
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Location: Outback Mini Man
be wary of the exhaust heating up the carby, this will affect the performance and tuning of the carby.

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 Post subject:
PostPosted: Fri Nov 20, 2009 10:33 am 
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848cc
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Location: Ferntree Gully, Melbourne
minimy wrote:
where can you buy exhaust wrap,tried up here,no go????


I bought mine online from eBay, seemed like the cheapest option compared to retail stores.

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 Post subject:
PostPosted: Fri Nov 20, 2009 1:03 pm 
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Location: Ipswich
try road and track in ipswich. or revolution racegear. i live ipswich way so road and track would be the easiest. not sure if they actually stock it anymore though. revolution racegear carry that stuff in stock. they have a branch here in brisbane somewhere.

Jason
Ipswich

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 Post subject:
PostPosted: Fri Nov 20, 2009 11:53 pm 
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848cc
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Joined: Thu Dec 27, 2007 4:45 pm
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Location: southern tasmania
thanks lads,have aquired some from rice barn,did find it has effected the carby tuning,ie mixture and idle settings,only thing i can think of is the inlet manifold is running cooler,will go for a blast tomorrow,cheers andy..

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