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Old Oct 28, 2004 | 07:23 AM
  #31  
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PS, I re-used the OE gaskets also.
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Old Oct 28, 2004 | 08:33 AM
  #32  
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Hmm....... I still have the OE gasket as well, but the new gasket is on there right now....
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Old Oct 28, 2004 | 09:03 AM
  #33  
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Those stock gaskets are single use crush style gaskets, if you re-use them it is a recepie for exhaust leaks. I am using NEW O.E. style gaskets myself. It is always a good idea to re-torque bolts like this after some heat cycles.

Keith
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Old Oct 28, 2004 | 09:13 AM
  #34  
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Originally Posted by Fourdoor
Those stock gaskets are single use crush style gaskets, if you re-use them it is a recepie for exhaust leaks. I am using NEW O.E. style gaskets myself. It is always a good idea to re-torque bolts like this after some heat cycles.

Keith
The turbo exhaust gasket is not a crush style gasket its very very thick and I have used it 3 times with no problems. However, I have just changed it lately with a new OE one and I got a leak . My old gasket loves me more. its thick gasket so it wont blow up under high boost
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Old Oct 28, 2004 | 10:20 AM
  #35  
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Originally Posted by Fourdoor
Those stock gaskets are single use crush style gaskets, if you re-use them it is a recepie for exhaust leaks. I am using NEW O.E. style gaskets myself. It is always a good idea to re-torque bolts like this after some heat cycles.

Keith
...and for that reason I slightly over torqued the nuts/bolts. I do the same with any reused OE hardware. If you are going to re-use it, at least give it an extra few ft lbs. There is a manufacturer assembly tolerance built in, just as there is a service tolerance/spec. Rarely will you find it maxed out.
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Old Oct 28, 2004 | 10:47 AM
  #36  
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Well, I've had this for about 3000 miles and also want to comment. If I were to do it over again, I wouldn't get it. Its not a bad piece by any means, but dyno verfication down here shows that the only place it made any power is right in the midrange. There is a substantial torque bump in the midrange that the OE cast manifold doesn't have, which is really nice.

Mine isn't coated either, but I haven't had any problems from the heat the header produces. Let me say that it puts out an asinine amount of heat, though. I can easily get those tubes glowing red on the dyno with only three runs. I've been looking at the radiator hoses, valve cover, and other components in the general vicinity, and haven't seen any evidence of damage yet. The header bronzed a little bit during break in, but it is blue now. I think that since heat rises, the extraction system in the hood is really helpful in getting the heat out of the engine bay and into the atmosphere. I wish I had coated it, but wrapping it is not an option. With the water the gauze will see, it won't take long for the stainless to be totally destroyed. I've seen it too many times on other cars.

The overall design is alright, but the third runner stud and nut was a major PITA. Huge thanks for the installing skills of Andrew at Dyno4mance in getting it to fit.

Another cause for concern is the EGR blockoff cap/bolts on the top of the unit. I met a guy at the last dyno day who had them pop out while the car was running and hit the underside of the hood. Kind of scary to say the least. I've not had a problem with them backing out on my car, though.
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Old Oct 28, 2004 | 11:08 AM
  #37  
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Originally Posted by Noize
Well, I've had this for about 3000 miles and also want to comment. If I were to do it over again, I wouldn't get it. Its not a bad piece by any means, but dyno verfication down here shows that the only place it made any power is right in the midrange. There is a substantial torque bump in the midrange that the OE cast manifold doesn't have, which is really nice.

Mine isn't coated either, but I haven't had any problems from the heat the header produces. Let me say that it puts out an asinine amount of heat, though. I can easily get those tubes glowing red on the dyno with only three runs. I've been looking at the radiator hoses, valve cover, and other components in the general vicinity, and haven't seen any evidence of damage yet. The header bronzed a little bit during break in, but it is blue now. I think that since heat rises, the extraction system in the hood is really helpful in getting the heat out of the engine bay and into the atmosphere. I wish I had coated it, but wrapping it is not an option. With the water the gauze will see, it won't take long for the stainless to be totally destroyed. I've seen it too many times on other cars.

The overall design is alright, but the third runner stud and nut was a major PITA. Huge thanks for the installing skills of Andrew at Dyno4mance in getting it to fit.

Another cause for concern is the EGR blockoff cap/bolts on the top of the unit. I met a guy at the last dyno day who had them pop out while the car was running and hit the underside of the hood. Kind of scary to say the least. I've not had a problem with them backing out on my car, though.

I think runner 3 is not an issue but its defiantly will require experience to install.

I just drove my car hard after the installation and I can say either I am dreaming or I feel that the car is much much smoother on top end( soo smooth and so much more power) I did not feel much difference on low end which I was hoping for. I still have a small air leak from the exhaust flange that I am trying to fix.

More updates to come
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Old Oct 28, 2004 | 01:09 PM
  #38  
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I have this same manifold as well. I had it professionally installed, but the installer had found a crack in the manifold. He temporarily fixed it with a quick weld, and I've had no problems with it since. Oh, I had mine installed about three months ago. I'll probably buy another one since they're so cheap and get it powdercoated so I won't encounter this problem in the future
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Old Oct 28, 2004 | 09:20 PM
  #39  
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Originally Posted by Noize
Well, I've had this for about 3000 miles and also want to comment. If I were to do it over again, I wouldn't get it. Its not a bad piece by any means, but dyno verfication down here shows that the only place it made any power is right in the midrange. There is a substantial torque bump in the midrange that the OE cast manifold doesn't have, which is really nice.

Mine isn't coated either, but I haven't had any problems from the heat the header produces. Let me say that it puts out an asinine amount of heat, though. I can easily get those tubes glowing red on the dyno with only three runs. I've been looking at the radiator hoses, valve cover, and other components in the general vicinity, and haven't seen any evidence of damage yet. The header bronzed a little bit during break in, but it is blue now. I think that since heat rises, the extraction system in the hood is really helpful in getting the heat out of the engine bay and into the atmosphere. I wish I had coated it, but wrapping it is not an option. With the water the gauze will see, it won't take long for the stainless to be totally destroyed. I've seen it too many times on other cars.

The overall design is alright, but the third runner stud and nut was a major PITA. Huge thanks for the installing skills of Andrew at Dyno4mance in getting it to fit.

Another cause for concern is the EGR blockoff cap/bolts on the top of the unit. I met a guy at the last dyno day who had them pop out while the car was running and hit the underside of the hood. Kind of scary to say the least. I've not had a problem with them backing out on my car, though.
I'd assumed from the design it would show the mid-range bump... however, I'd have thought you would have gotten a little more up top. Hey, email me those before and after charts if you would... I didn't take the opportunity to dyno mine.

On a side note Noise, I'd expect you would not see instant damage from the heat... kind of like the 300ZX's (or worse RX-7's) if you've ever done work on higher mileage ones. Everything under the hood wants to crumble away vs. snap off like it should.
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Old Oct 28, 2004 | 09:30 PM
  #40  
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I ran mine HARD last weekend and not once did I see the manifold glowing. Now the hot side would light up, but not the manifold so this would lead me to think that not only does the coating really work (and yes, I was a bit sceptical), but it will undoubtably help prolong the life of the underhood bits and pieces like Zeus said. I can actually get my hands in the engine bay to work on things about 5 minutes after shutting the engine off, the stuff is pretty amazing.
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Old Oct 28, 2004 | 09:50 PM
  #41  
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I forget, who did you use joeycoates?

It is good "stuff".
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Old Oct 28, 2004 | 11:17 PM
  #42  
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Jet-Hot.....and yes it is good stuff. It makes me feel light and giddy after a hard drive.
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Old Oct 29, 2004 | 12:22 AM
  #43  
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Sure that's not some sort of exhaust leak making you feel light and giddy Joey? Lol, sorry man just couldn't resist. Do you have any pics of the manifold with the jet hot coating?
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Old Oct 29, 2004 | 07:47 AM
  #44  
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I will take some pics when I have a chance. The OEM gasket has it sealed right back up.
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Old Oct 29, 2004 | 09:44 AM
  #45  
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Originally Posted by mitsuorder
Sure that's not some sort of exhaust leak making you feel light and giddy Joey? Lol, sorry man just couldn't resist. Do you have any pics of the manifold with the jet hot coating?
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