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Author | Subject: heat wrap |
jalittle
Regular Location: Dover Registered: 07 Feb 2010 Posts: 164 Status: Offline |
Post #1
i am planing on heat wrapping my manifold and decat how much would i need to do it |
Posted 17th Jul 2011 at 00:17
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bigbadbowen
Seasoned Pro Location: Winchester Registered: 21 Nov 2003 Posts: 13,753 Status: Offline |
Post #2
I doubt you will be able to heat wrap a std manifold ? Just buy a roll see how far it goes ? |
Posted 17th Jul 2011 at 00:32
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devere
Senior User Location: Saxtead Registered: 16 Dec 2008 Posts: 810 Status: Offline |
Post #3
bigbadbowen wrote: I doubt you will be able to heat wrap a std manifold ? Just buy a roll see how far it goes ? I did mine, it is a royal pain in the backside though. I think i used 20 metres of 2 inch wide wrap.... there wasnt much left at the end. I THINK it was 20 metres.. bare in mind how much you need varies greatly depending how wide it is. |
Posted 17th Jul 2011 at 00:44
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devere
Senior User Location: Saxtead Registered: 16 Dec 2008 Posts: 810 Status: Offline |
Post #4
This will help.http://www.heatshieldproducts.com/Instruction/ExhaustWrapISheet.pdf |
Posted 17th Jul 2011 at 00:48
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dav1
Regular Location: leek/staffs Registered: 20 Jun 2011 Posts: 312 Status: Offline |
Post #5
i did mine time consuming but worth it________________________________________ 230bhp 205 gti6 |
Posted 21st Jul 2011 at 01:26
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swiftyboi006
Seasoned Pro Location: Maidenhead Registered: 12 Apr 2010 Posts: 2,110 Status: Offline |
Post #6
Is it worth heat wraping a decat if my manifold isnt heat wraped? And also what are the benefits from heat wraping, sorry for the steal________________________________________ cherry p1.....SOLD (regreting this)blaze p2.....why did i buy this SOLD Black p3 |
Posted 12th Aug 2011 at 18:06
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pete_rallye
Seasoned Pro Location: Yorkshire Registered: 12 Dec 2002 Posts: 5,253 Status: Offline |
Post #7
Not a lot of benefits really. I've done a standard manifold, and also a de-cat. The wrap on a standard manifold needed a lot of steel ties to hold it in place, because its so twisty its hard to get a nice tight wrap all the way round. I did the de-cat because the exhaust tunnel used to get red hot in my track car with the heat that came off of it. I would't bother doing it again, not for what the stuff costs. If it was cheaper I would consider it, but its pretty expensive stuff. There are also arguments for it keeping the heat in the engine which is believeable, as the manifold acts as a good radiator to get rid of the heat. ________________________________________ Oulton Park in a BTCC 306 vid 1Oulton Park in a BTCC 306 vid 2 Lap of the 'ring |
Posted 12th Aug 2011 at 19:13
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beez_neez_gt
Seasoned Pro Location: @ de limit of adhesion ! Registered: 14 Oct 2008 Posts: 2,916 Status: Offline |
Post #8
Its really not worth it, it can rust the manifold or catch fire and for not much benefit.Try here > http://www.camcoat.u-net.com/Exhausts.htm Cars like Aston Martin etc use these types of coatings and i know its more expensive the im sure the gains from it are much better. ________________________________________ Pug fee`ver,Pick a Bogey, buy a Pug. Black 306 GTI 6 Standard, was 60k mileage, bargain!! Clicky: [url =http://www.306gti6.com]click here[/url] remove the space between [url & = |
Posted 12th Aug 2011 at 20:28
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burnout21
Regular Location: Edge of the Pass Registered: 23 Apr 2008 Posts: 248 Status: Offline |
Post #9
quote: Its really not worth it, it can rust the manifold or catch fire and for not much benefit. Try here > http://www.camcoat.u-net.com/Exhausts.htm Cars like Aston Martin etc use these types of coatings and i know its more expensive the im sure the gains from it are much better. Does Anyone know If these guys are still in business? There E-mail isn't valid.. And the prices are as of 2002. |
Posted 18th Feb 2012 at 18:44
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stan_306gti6
Forum Admin Location: Kent Registered: 18 Jan 2004 Posts: 21,768 Status: Offline |
Post #10
Personally, I wouldn't wrap an exhaust manifold.There is evidence to suggest (as Pete points out) that the manifold does indeed act as a radiator and remove heat from the cylinder head. By wrapping it, you have insulated it and the heat stays in the cylinder head. This has been known to burn exhaust valves out prematurely. ________________________________________ "Supercharged - 454.1bhp/317.5lb/ft"Peugeot 306 GTi-6 2000 (X), Moonstone |
Posted 18th Feb 2012 at 19:21
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calibra306
Seasoned Pro Location: Gravesend, Kent Registered: 06 Nov 2011 Posts: 1,315 Status: Offline |
Post #11
There is also a lot of evidence showing reduced manifold life.Cracking can happen very quickly especially on SS manifolds. Also there is a risk of fire if the slightest of gaps appear in the wrap as the intense heat acts like a magnifying glass consentrating a spot of heat on what every it may be in the engine bay! I have looked into various heat wraps and plasma coatings etc and came across a lot of negatives on the heat wraps! ________________________________________ V6 Power!Faster I can go the better! Its not what you drive, its how you drive that wins the race! |
Posted 2nd Apr 2012 at 01:01
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dav1
Regular Location: leek/staffs Registered: 20 Jun 2011 Posts: 312 Status: Offline |
Post #12
If it is so wrong then these coatings must be wrong too because they keep the temps in there? Why do so many ppl do it if it's so wrong ? Formula1 cars have the coatings an I consider my car on a par with one lol.________________________________________ 230bhp 205 gti6 |
Posted 2nd Apr 2012 at 21:16
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welshpug!
Capt Pedantic Location: Bigend, Wales. Registered: 27 Mar 2007 Posts: 25,838 Status: Offline |
Post #13
coatings are a little different, they don't keep the heat in the metal as much, nor do they promote corrosion or fires.________________________________________ need a part number? get on here - http://public.servicebox.peugeot.comBring on the Trumpets. |
Posted 2nd Apr 2012 at 21:19
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fatlapit
Seasoned Pro Location: STOCKSFIELD Registered: 02 Nov 2010 Posts: 3,040 Status: Offline |
Post #14
http://www.zircotec.com/page/home/1 These a e the bots tospeak to dont bother with the cheap wrap stuff get it ceramic coated, they also have a faq page on their website to answer all the above questions!!! ________________________________________ |
Posted 2nd Apr 2012 at 21:20
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fatlapit
Seasoned Pro Location: STOCKSFIELD Registered: 02 Nov 2010 Posts: 3,040 Status: Offline |
Post #15
Q37. I have been told that I should not use exhaust wrap with my stainless steel manifold because it might corrode or even crack. Is this also true for your coating? - Here at Zircotec we have coated a significant number of stainless steel manifolds and exhaust parts without experiencing any problem. Our technical specialists confirm that stainless steel can corrode (very) quickly under certain conditions, though Zircotec's coatings serve to protect against this type of corrosion and cracking. Unprotected stainless steel can suffer very rapid intergranular corrosion in poorly controlled welds or where the material of construction is poor quality. There is also a little known phenomena called chloride stress corrosion cracking by which highly stressed parts, including those made of stainless steel (such as stainless steel exhaust manifolds) can undergo extremely rapid attack by chloride. This effect can be so pronounced that the stainless steel parts will appear to have just rotted away. The worry here is that the materials used in exhaust wrap can often contain chlorides, and these can be released when the exhaust wrap gets hot. Furthermore, many chemical cleaners and road contaminants that might get trapped in exhaust wrap do also contain chloride materials. In view of this, our technical specialists advise that exhaust wrap should not be used on stainless steel manifolds or exhaust systems. Whats very interesting is the last sentence. ________________________________________ |
Posted 2nd Apr 2012 at 21:22
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fatlapit
Seasoned Pro Location: STOCKSFIELD Registered: 02 Nov 2010 Posts: 3,040 Status: Offline |
Post #16
welshpug! wrote: coatings are a little different, they don't keep the heat in the metal as much, nor do they promote corrosion or fires. Coating the manifold simply reduces the amount of heat escaping from the manifold and exhaust system ________________________________________ |
Posted 2nd Apr 2012 at 21:23
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eddy_gti6
Seasoned Pro Location: Durham Registered: 20 Oct 2008 Posts: 8,716 Status: Offline |
Post #17
If you can be bothered with the f**k on of getting the nanifold off and stuff then do it. I think its too much if a hassle on to notice no difference at all. I have a heat wrapped gti6 in my shead never been fitted since i wrapped it. I will hunt it out!________________________________________ Clicky: [url =http://www.306gti6.com]click here[/url] remove the space between [url & = |
Posted 2nd Apr 2012 at 21:27
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dav1
Regular Location: leek/staffs Registered: 20 Jun 2011 Posts: 312 Status: Offline |
Post #18
Is this scare mungering or should I go outside an rip the s**t off? Dave________________________________________ 230bhp 205 gti6 |
Posted 2nd Apr 2012 at 21:35
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fatlapit
Seasoned Pro Location: STOCKSFIELD Registered: 02 Nov 2010 Posts: 3,040 Status: Offline |
Post #19
its pointless mate tbh________________________________________ |
Posted 2nd Apr 2012 at 21:37
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dav1
Regular Location: leek/staffs Registered: 20 Jun 2011 Posts: 312 Status: Offline |
Post #20
Is this scare mungering or should I go outside an rip the s**t off? Dave________________________________________ 230bhp 205 gti6 |
Posted 2nd Apr 2012 at 21:50
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eddy_gti6
Seasoned Pro Location: Durham Registered: 20 Oct 2008 Posts: 8,716 Status: Offline |
Post #21
If you have already done it then i would just leave it!________________________________________ Clicky: [url =http://www.306gti6.com]click here[/url] remove the space between [url & = |
Posted 2nd Apr 2012 at 21:57
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coskev
Seasoned Pro Location: Oswestry Registered: 01 Nov 2009 Posts: 3,132 Status: Offline |
Post #22
Zircotec quoted me £230 to do a Gti6 manifold a couple of years back ________________________________________ Red GTB1756 powered Fabia VRS daily driver,LBSC Gti6 eater........Mac1 ZR R1 kit car build in progress. |
Posted 13th Apr 2012 at 22:57
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fatlapit
Seasoned Pro Location: STOCKSFIELD Registered: 02 Nov 2010 Posts: 3,040 Status: Offline |
Post #23
Worth every penny u get wat u pay for. imo bearing in mind this is for proper motorsport and it is one of the best ways of keeping the exhaust cool. ________________________________________ |
Posted 14th Apr 2012 at 08:14
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dragoon
Seasoned Pro Location: Ghent - Belgium Registered: 30 Dec 2008 Posts: 1,071 Status: Offline |
Post #24
I've done mine, because I didn't have a heatshield as standard (on the 1.8 with gti mani) so needed to protect the rest from the heat somehowBig pain in the ass to do though, if you do it, wear protection, the fibre is extremely unhealthy, and apply it wet! ________________________________________ Team WheelwhoreTeam Limited Edition Astor 306 Francorchamps RIP Virtual Blue 208 GTi quote: I this place. So many illiterate deluded fool's acting 'ard . . . and so many literate intelligent people to rip them apart and knock them back down again . . . ahh |
Posted 14th Apr 2012 at 14:25
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stan_306gti6
Forum Admin Location: Kent Registered: 18 Jan 2004 Posts: 21,768 Status: Offline |
Post #25
fatlapit wrote: Worth every penny u get wat u pay for. imo bearing in mind this is for proper motorsport and it is one of the best ways of keeping the exhaust cool. How are you keeping the exhaust cool? By wrapping it you are insulating it meaning that it will stay hotter. Also, if you wrap a manifold, then the downpipe will get hotter as a result due to the gases passing through the manifold are not releasing heat to the outside. In my humble opinion, I don't believe exhaust wrap is a good idea. ________________________________________ "Supercharged - 454.1bhp/317.5lb/ft"Peugeot 306 GTi-6 2000 (X), Moonstone |
Posted 16th Apr 2012 at 16:35
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