opinions please!
20 April 2006, 10:33 PM
#1
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opinions please!
hi all,ive recently ported my standard headers bought a decat 3" ss downpipe a solid uppipe and put a 99 intercooler on my 95wrx import,ive wrapped headers and up and down pipes,but when ive took it out for first time with these on, only round block,when i got back inlet manifold way hotter than before. wanted to know if this is normal when they av been wrapped?
cheers eddy.
cheers eddy.
20 April 2006, 11:38 PM
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Beggs the question, why did you wrap them in the first place then mate????
heat soak perhaps???
heat soak perhaps???
Last edited by EVOLUTION; 20 April 2006 at 11:46 PM.
20 April 2006, 11:49 PM
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how doesnt it?
i think it was a valid point was it not?
Its simple enough, why do you wrap the exhaust manifolds, can we speak in english as well please, headers, are we all ****ing american now????
i think it was a valid point was it not?
Its simple enough, why do you wrap the exhaust manifolds, can we speak in english as well please, headers, are we all ****ing american now????
21 April 2006, 12:02 AM
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Originally Posted by ZYRUSS
another thread ruined lol
this place really is going to the dogs
this place really is going to the dogs
Nobody has asked why someone would wrap those parts. It was asked why he wrapped those parts. A question that was pretty much answered by his obvious concern that temperatures had risen instead of . . . . . . . .
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21 April 2006, 02:51 AM
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Originally Posted by eddysti
hi all,ive recently ported my standard headers bought a decat 3" ss downpipe a solid uppipe and put a 99 intercooler on my 95wrx import,ive wrapped headers and up and down pipes,but when ive took it out for first time with these on, only round block,when i got back inlet manifold way hotter than before. wanted to know if this is normal when they av been wrapped?
cheers eddy.
cheers eddy.
Possible with the headers wrapped, keeping the headers hotter, it might be making the exhaust exit from the heads hotter by conduction, in turn increasing the temp. of the whole engine including the inlet manifold. Try taking the wrap off the headers, and see if the inlet runs cooler or not.
Or maybe by only going around the block, your thermostat may not have fully opened, and therefore the cooling system would not have been at full efficiency? Try a proper run to see if things are any different.
21 April 2006, 01:08 PM
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Originally Posted by robsw
I've heard of wrapping the downpipe, and maybe the up-pipe, not sure about the headers though. I believe the idea is to keep the exhaust gasses hotter, making them move faster, and to help limit heat soak, by keeping the heat in the pipes.
Possible with the headers wrapped, keeping the headers hotter, it might be making the exhaust exit from the heads hotter by conduction, in turn increasing the temp. of the whole engine including the inlet manifold. Try taking the wrap off the headers, and see if the inlet runs cooler or not.
Or maybe by only going around the block, your thermostat may not have fully opened, and therefore the cooling system would not have been at full efficiency? Try a proper run to see if things are any different.
Possible with the headers wrapped, keeping the headers hotter, it might be making the exhaust exit from the heads hotter by conduction, in turn increasing the temp. of the whole engine including the inlet manifold. Try taking the wrap off the headers, and see if the inlet runs cooler or not.
Or maybe by only going around the block, your thermostat may not have fully opened, and therefore the cooling system would not have been at full efficiency? Try a proper run to see if things are any different.
thanks mate,at least someone got something useful to say i will try that see what happens,but some people have wrapped there headers on the project secion ov scooby net thats were the idea came from.
cheers eddy
21 April 2006, 01:22 PM
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EddySTI,
Robs answer aside, you'll be much better off posting in technical. I've got my headers / exhaust manifold, uppipe and downpipe wrapped FWIW, as have many others. Harvey's good on heat management and others will offer well considered, mature and knowledge based responses - which is what you want I guess.
J
Robs answer aside, you'll be much better off posting in technical. I've got my headers / exhaust manifold, uppipe and downpipe wrapped FWIW, as have many others. Harvey's good on heat management and others will offer well considered, mature and knowledge based responses - which is what you want I guess.
J
21 April 2006, 01:26 PM
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Originally Posted by JTaylor
EddySTI,
Robs answer aside, you'll be much better off posting in technical. I've got my headers / exhaust manifold, uppipe and downpipe wrapped FWIW, as have many others. Harvey's good on heat management and others will offer well considered, mature and knowledge based responses - which is what you want I guess.
J
Robs answer aside, you'll be much better off posting in technical. I've got my headers / exhaust manifold, uppipe and downpipe wrapped FWIW, as have many others. Harvey's good on heat management and others will offer well considered, mature and knowledge based responses - which is what you want I guess.
J
eddy
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