Using exhaust heatwrap on headers for NA . Is this actually beneficial or no ?
02-11-07, 08:57 PM
#28
Originally Posted by socalrotor
you guys are fucked.... but the truth can suck too.....Most header warrantys are VOIDED if you wrap the headers BTW, I am think now I should save up for the jet hot coating.
Im guessing it causes it to rust and deteriorate faster , but how ?
As far as the warranty goes, I dont think my headers came with a warranty but I dont know.
02-11-07, 09:01 PM
#29
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here are the steps I would take...
dont worry about the exhaust, and get a job so u have spending money for tools, parts, etc..
if u are worried about buying an new manifold gasket and exhaust gasket (under 20.00) then you are not ready to buy wrap or tools..
not only that but if u ar going to get upset with what others have to say when honeslty I think everything everyone has said is 100% legit then dont ask questions... you NEED tools, u NEED money, u NEED a job..
Dave
dont worry about the exhaust, and get a job so u have spending money for tools, parts, etc..
if u are worried about buying an new manifold gasket and exhaust gasket (under 20.00) then you are not ready to buy wrap or tools..
not only that but if u ar going to get upset with what others have to say when honeslty I think everything everyone has said is 100% legit then dont ask questions... you NEED tools, u NEED money, u NEED a job..
Dave
02-11-07, 09:11 PM
#30
Oh I have money to do it, its just the fact that is it that worth it to me ?
Every month I spend $50-200 on the car
This month it was balancing/mounting tires ($60), and rebuilding my s4 omp (another $20).
I can afford to get the heat wrap and tools I need, just trying to see how much it will cost me and if its really worth it.
I try to do the best for my rx7.
I dont have a job because I dont want one.
Every month I spend $50-200 on the car
This month it was balancing/mounting tires ($60), and rebuilding my s4 omp (another $20).
I can afford to get the heat wrap and tools I need, just trying to see how much it will cost me and if its really worth it.
I try to do the best for my rx7.
I dont have a job because I dont want one.
02-11-07, 10:56 PM
#31
The Cause of Death
Originally Posted by wtfdidusay82
Oh I have money to do it, its just the fact that is it that worth it to me ?
Every month I spend $50-200 on the car
This month it was balancing/mounting tires ($60), and rebuilding my s4 omp (another $20).
I can afford to get the heat wrap and tools I need, just trying to see how much it will cost me and if its really worth it.
I try to do the best for my rx7.
I dont have a job because I dont want one.
Every month I spend $50-200 on the car
This month it was balancing/mounting tires ($60), and rebuilding my s4 omp (another $20).
I can afford to get the heat wrap and tools I need, just trying to see how much it will cost me and if its really worth it.
I try to do the best for my rx7.
I dont have a job because I dont want one.
02-11-07, 11:58 PM
#32
iRussian
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This whole concept of not owning or wanting to own tools just boggles the very schema that controls the network of my rotary-powered brain.
Brian
Brian
Originally Posted by wtfdidusay82
Oh I have money to do it, its just the fact that is it that worth it to me ?
Every month I spend $50-200 on the car
This month it was balancing/mounting tires ($60), and rebuilding my s4 omp (another $20).
I can afford to get the heat wrap and tools I need, just trying to see how much it will cost me and if its really worth it.
I try to do the best for my rx7.
I dont have a job because I dont want one.
Oh I have money to do it, its just the fact that is it that worth it to me ?
Every month I spend $50-200 on the car
This month it was balancing/mounting tires ($60), and rebuilding my s4 omp (another $20).
I can afford to get the heat wrap and tools I need, just trying to see how much it will cost me and if its really worth it.
I try to do the best for my rx7.
I dont have a job because I dont want one.
Originally Posted by spot_skater
Um...
02-12-07, 12:44 AM
#34
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Don't buy header wrap expecting to gain any HP, that would just be a dumb mentality to have. Get it expecting to decrease under hood temps in turn saving your rubber hoses and wires around the header from melting, and having cooler under hood temps for your intake to suck up.
People say the wrap deteriorates your header faster because moisture will get caught between the wrap and header and if you live in snowy areas where the roads are salted that salt can be all bad for your header after a period of time.
And bro, you're almost 25, it's time to get a job. At the very least a part time job.
People say the wrap deteriorates your header faster because moisture will get caught between the wrap and header and if you live in snowy areas where the roads are salted that salt can be all bad for your header after a period of time.
And bro, you're almost 25, it's time to get a job. At the very least a part time job.
02-12-07, 02:12 AM
#35
Originally Posted by Sgt. Pepper
Don't buy header wrap expecting to gain any HP, that would just be a dumb mentality to have. Get it expecting to decrease under hood temps in turn saving your rubber hoses and wires around the header from melting, and having cooler under hood temps for your intake to suck up.
People say the wrap deteriorates your header faster because moisture will get caught between the wrap and header and if you live in snowy areas where the roads are salted that salt can be all bad for your header after a period of time.
And bro, you're almost 25, it's time to get a job. At the very least a part time job.
People say the wrap deteriorates your header faster because moisture will get caught between the wrap and header and if you live in snowy areas where the roads are salted that salt can be all bad for your header after a period of time.
And bro, you're almost 25, it's time to get a job. At the very least a part time job.
I know I need a job but Im not going to explain why I dont have one etc.
Thanks for the help - Aron
02-12-07, 03:16 AM
#36
header wrap collects moister thru the night and rust the header.. I have seen it on 4-5 headers and down pipes... personally, I would have it coated with jet hot or something like that... otherwise don't wrap your header unless you want to replace it every 2-3 years
02-12-07, 11:24 AM
#38
Originally Posted by BASTARD
header wrap collects moister thru the night and rust the header.. I have seen it on 4-5 headers and down pipes... personally, I would have it coated with jet hot or something like that... otherwise don't wrap your header unless you want to replace it every 2-3 years
02-12-07, 07:45 PM
#39
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So you guys say jet hot makes the headers last with the heat wrap? I would imagine the water would evap instantly when turning the car on, those pipes get hot as hell, and it is a good idea to wrap right up to the presilencer fat part or strictly just the header, who does jet hot coating?
02-12-07, 08:30 PM
#40
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Originally Posted by Patman07
and it is a good idea to wrap right up to the presilencer fat part or strictly just the header
Here are some pics
02-12-07, 08:47 PM
#42
Originally Posted by Sgt. Pepper
I just did the header, but I didn't have a pre-silencer when I wrapped my header, just a Bonez hi-flow.
Here are some pics
Here are some pics
02-12-07, 09:01 PM
#43
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I posted the link to the wrap I bought off Summit Racing 5 posts into the thread.
And yes I bought the cat to mate up with the header and my old Apexi N1 catback to pass California smog which I did. Now I have full Racing Beat exhaust, including the pre-silencer.
And yes I bought the cat to mate up with the header and my old Apexi N1 catback to pass California smog which I did. Now I have full Racing Beat exhaust, including the pre-silencer.
02-13-07, 01:33 AM
#45
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I'm just going to throw in my 2 cents. I've done this before with my Protege 5.
Some things to consider when doing this:
From my personal experience, the heat wrap did make a little bit of a difference. The engine temps were a bit cooler and the engine responded better, but none of these were significant enough to do it again. The first time I wraped my headers, they were on the car, and it was a bitch. It took a little more than 2 hours to do it. The second time I wrapped the headers while they were off the car. It was much easier and it took less time.
I was told not to wrap my headers anymore because over time the heat wrap will eat away at the metal because of the heat and create small holes in the headers. I was also told that you should only wrap your headers if you are racing your car and you are sponsored, so you can get a new set when the old ones get jacked up.
I don't know how much of a difference this would make on the 7 because the exhaust temps are much higher in a rotary. I personally would do it, just becuase I have had no problems as far as holes or cracking on my other car.
If you were to do this, you don't want to soak the heat wrap in water. You just want to lightly spray it with water. The water doesn't make the heat wrap any more pliable. By wetting the fiberglass, you are creating a tighter seal by making it stretch a little more. I just used simple hose clamps that you get at home depot. They haven't failed me yet.
Be sure to overlap the wrap, and use clamps at all the ends. You don't have to take off the headers, but it would be a lot easier, and you'll do a cleaner job.
As far as gaskets go, it all depends on what shape they're in. If they are in good condition, with no rust or cracks, you can definately use them again.
The brand I used was thermo something or other. I don't know about warranties, but that wouldn't matter if you bought the headers used.
In the end, you only gain about 2 or 3 hp, the engine bay isn't really that much cooler and you'll be itchy after the install. But hey, like I said, I'd do it. Just because I love working on my car. Plus the headers won't crack over night. It takes time for that to happen, and I've had my headers wrapped in my other car for about 5 years now with no problems. It's your call dude. Good luck and have fun.
Some things to consider when doing this:
From my personal experience, the heat wrap did make a little bit of a difference. The engine temps were a bit cooler and the engine responded better, but none of these were significant enough to do it again. The first time I wraped my headers, they were on the car, and it was a bitch. It took a little more than 2 hours to do it. The second time I wrapped the headers while they were off the car. It was much easier and it took less time.
I was told not to wrap my headers anymore because over time the heat wrap will eat away at the metal because of the heat and create small holes in the headers. I was also told that you should only wrap your headers if you are racing your car and you are sponsored, so you can get a new set when the old ones get jacked up.
I don't know how much of a difference this would make on the 7 because the exhaust temps are much higher in a rotary. I personally would do it, just becuase I have had no problems as far as holes or cracking on my other car.
If you were to do this, you don't want to soak the heat wrap in water. You just want to lightly spray it with water. The water doesn't make the heat wrap any more pliable. By wetting the fiberglass, you are creating a tighter seal by making it stretch a little more. I just used simple hose clamps that you get at home depot. They haven't failed me yet.
Be sure to overlap the wrap, and use clamps at all the ends. You don't have to take off the headers, but it would be a lot easier, and you'll do a cleaner job.
As far as gaskets go, it all depends on what shape they're in. If they are in good condition, with no rust or cracks, you can definately use them again.
The brand I used was thermo something or other. I don't know about warranties, but that wouldn't matter if you bought the headers used.
In the end, you only gain about 2 or 3 hp, the engine bay isn't really that much cooler and you'll be itchy after the install. But hey, like I said, I'd do it. Just because I love working on my car. Plus the headers won't crack over night. It takes time for that to happen, and I've had my headers wrapped in my other car for about 5 years now with no problems. It's your call dude. Good luck and have fun.
02-13-07, 01:42 AM
#46
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I also wanted to mention that nickel plating or jet hotting the headers would be much better. You pretty much get the same results. It just looks nicer, you don't have to worry about metal deterioration, but it costs more. If you want to wrap up all the way to the muffler, do it.
Although the exhaust runs hot, it only runs hot while it's running. On a cold night the heat wrap does collect moisture.
Again, everyone has their own opinions. In the end it's your car and your choice.
Although the exhaust runs hot, it only runs hot while it's running. On a cold night the heat wrap does collect moisture.
Again, everyone has their own opinions. In the end it's your car and your choice.
02-13-07, 02:39 AM
#47
Originally Posted by red_s5_fc3s
I also wanted to mention that nickel plating or jet hotting the headers would be much better. You pretty much get the same results. It just looks nicer, you don't have to worry about metal deterioration, but it costs more. If you want to wrap up all the way to the muffler, do it.
Although the exhaust runs hot, it only runs hot while it's running. On a cold night the heat wrap does collect moisture.
Again, everyone has their own opinions. In the end it's your car and your choice.
Although the exhaust runs hot, it only runs hot while it's running. On a cold night the heat wrap does collect moisture.
Again, everyone has their own opinions. In the end it's your car and your choice.
I'm not really too worried about the header deteriorating from having the heatwrap on them very much, theyre fairly new with only a few thousand miles on them and I dont really live in an area where it gets very cold at night (southern georgia).
Edit - So you really cant drift ?? I want to learn to drift my rx7, I'm not the best at drifting myself but I want to learn , I love getting my 7 sideways I just wish I could do it like Tsuchiya Drift king.
Last edited by wthdidusay82; 02-13-07 at 02:53 AM.
02-21-07, 09:51 AM
#49
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Unless you are measuring engine bay temps with the hood closed in real world conditions, subjective guesses on engine temperature are just that (guesses).
Heat wrapping and shielding makes an enormous difference in underhood temps. One look at the condition of hoses and wires in cars where people have removed the heatshields and that's all the proof required. Don't think of it as a HP gain.
Heat wrapping and shielding makes an enormous difference in underhood temps. One look at the condition of hoses and wires in cars where people have removed the heatshields and that's all the proof required. Don't think of it as a HP gain.
02-21-07, 06:33 PM
#50
red_s5: have you checked under the heat wrap for rust?
How much does nickel plating cost?
I'd want to nickel plate for corossion protection then heat wrap if I did this. But I'd like to see if the nickel is necessary and how much it costs.
I'm not incredibly confident that heat wrap will insulate better than a heat shield. Thin wrap over such a large area might still conduct heat pretty well. Convection might be more of an issue (hence the heat shield). I dunno, though. A convection coefficient is hard to calculate so I doubt anybody knows what it would be for an FC. If I knew how much air was flowing under the hood and the underhood temperatures that would let me figure out how much heat was getting in, but that also seems like a big question mark.
The real solution, it seems, would be a temperature sensor under the hood and a way to graph it. If it were me I'd wire up the temp sensor to a digital display on the dash and just video tape the display. That would compare underhood temps of various setups. I can rig this up for about $20-30 shipped if anybody's interested. You'd have to figure out how to mount it and path the wires yourself, though. I'd pitch in part of the cost out of my own pocket because I want to see what the results are.
How much does nickel plating cost?
I'd want to nickel plate for corossion protection then heat wrap if I did this. But I'd like to see if the nickel is necessary and how much it costs.
I'm not incredibly confident that heat wrap will insulate better than a heat shield. Thin wrap over such a large area might still conduct heat pretty well. Convection might be more of an issue (hence the heat shield). I dunno, though. A convection coefficient is hard to calculate so I doubt anybody knows what it would be for an FC. If I knew how much air was flowing under the hood and the underhood temperatures that would let me figure out how much heat was getting in, but that also seems like a big question mark.
The real solution, it seems, would be a temperature sensor under the hood and a way to graph it. If it were me I'd wire up the temp sensor to a digital display on the dash and just video tape the display. That would compare underhood temps of various setups. I can rig this up for about $20-30 shipped if anybody's interested. You'd have to figure out how to mount it and path the wires yourself, though. I'd pitch in part of the cost out of my own pocket because I want to see what the results are.
