View Poll Results: what do you suggest prevent rust, crack ?
Ceramic Coating
9
56.25%
Jet Coating
4
25.00%
Header Wrap
2
12.50%
Leave them as they are
1
6.25%
Voters: 16. You may not vote on this poll
Headers - Ceramic Coating or Jet Coating or Header Wrap
Racer
Joined: Jun 2004
Posts: 318
Likes: 27
From: ca
I don't doubt the advantages of a coated header on a "serious race car" but usually these cars have headers that are made of mild steel and have 30"+ collectors or are running turbo's, both can really take advantage of the unwanted loss of heat to keep the exhaust velocity up and keep them from looking like crap after a season.
What I was trying to say, with stainless steel shorty headers, single exhaust, cat and mufflers, the coating will not gain any perceptible horsepower. As far as reducing heat or control, race cars have pipes rerouted for a smoother flow and will come very close to heat sensitive components that need to be protected. The XS header is shaped very much like the stock manifold and pipes. I could see if the pipe wraped around the starter like on a V8, went between the fans, or ran right next to the master cylinder like on a RWD but it doesn't.
How much HP will you gain by coating a SS header?
What percent increase?
Do you have any unbiased dyno comparison between a coated and non coated SS header?
I don't doubt you'll gain HP but how much?
Is it worth twice the price of the headers itself?
Like I said, do it for looks and be aware, if the headers have to be fixed, they need to be blasted again and recoated.
What I was trying to say, with stainless steel shorty headers, single exhaust, cat and mufflers, the coating will not gain any perceptible horsepower. As far as reducing heat or control, race cars have pipes rerouted for a smoother flow and will come very close to heat sensitive components that need to be protected. The XS header is shaped very much like the stock manifold and pipes. I could see if the pipe wraped around the starter like on a V8, went between the fans, or ran right next to the master cylinder like on a RWD but it doesn't.
How much HP will you gain by coating a SS header?
What percent increase?
Do you have any unbiased dyno comparison between a coated and non coated SS header?
I don't doubt you'll gain HP but how much?
Is it worth twice the price of the headers itself?
Like I said, do it for looks and be aware, if the headers have to be fixed, they need to be blasted again and recoated.
Lead Footed
Joined: May 2001
Posts: 3,415
Likes: 15
From: Plano - Texas
I don't doubt the advantages of a coated header on a "serious race car" but usually these cars have headers that are made of mild steel and have 30"+ collectors or are running turbo's, both can really take advantage of the unwanted loss of heat to keep the exhaust velocity up and keep them from looking like crap after a season.
What I was trying to say, with stainless steel shorty headers, single exhaust, cat and mufflers, the coating will not gain any perceptible horsepower. As far as reducing heat or control, race cars have pipes rerouted for a smoother flow and will come very close to heat sensitive components that need to be protected. The XS header is shaped very much like the stock manifold and pipes. I could see if the pipe wraped around the starter like on a V8, went between the fans, or ran right next to the master cylinder like on a RWD but it doesn't.
How much HP will you gain by coating a SS header?
What percent increase?
Do you have any unbiased dyno comparison between a coated and non coated SS header?
I don't doubt you'll gain HP but how much?
Is it worth twice the price of the headers itself?
Like I said, do it for looks and be aware, if the headers have to be fixed, they need to be blasted again and recoated.
What I was trying to say, with stainless steel shorty headers, single exhaust, cat and mufflers, the coating will not gain any perceptible horsepower. As far as reducing heat or control, race cars have pipes rerouted for a smoother flow and will come very close to heat sensitive components that need to be protected. The XS header is shaped very much like the stock manifold and pipes. I could see if the pipe wraped around the starter like on a V8, went between the fans, or ran right next to the master cylinder like on a RWD but it doesn't.
How much HP will you gain by coating a SS header?
What percent increase?
Do you have any unbiased dyno comparison between a coated and non coated SS header?
I don't doubt you'll gain HP but how much?
Is it worth twice the price of the headers itself?
Like I said, do it for looks and be aware, if the headers have to be fixed, they need to be blasted again and recoated.
As for gains, on these cars some of us are looking for every last bit we can get. In this case it's about 4hp or so . . as I've not dyno'd my TLS with just the coating to do a base line . . doesn't make sense for a small gain. But $-to-hp ratio is about equal to that of CT headers . . it's high, but that's the price we pay for this sort of car. As for heat, take a close look at see how close the headers are to the oil pan . . . way too close for me. So not only does it reduce heat to the oil pan, but it reduces the under engine bay temps which is also important. So in the case of the south and southwest it's a real good idea to do it regardless of HP gain, meaning I would have done it anyway because of the heat difference which I've validated by being able to touch my headers much much sooner and keep my hand on various engine bay components at operating temps whereas I couldn't before.
Primary Benefits:
THERMAL BARRIER PROPERTIES REDUCE RADIANT TEMPERATURE
HIGH ABRASION RESISTANCE
INCREASED GAS VELOCITIES
REDUCED UNDER HOOD TEMPERATURES
RAPID COOL DOWN
WON'T BLUE OR STAIN
HORSEPOWER GAINS AVERAGING 2% - Jet Hot claims 3% (yes, more so for racing applications, but a benefit none the less)
http://www.zircotec.com/
http://chromecentercaps.org/car-auto...eader-coating/
http://www.hpcoatings.com/hpc_heatmanagement.aspx
http://www.powdercoat-it.com/sacrame...t-coating.html
http://www.carcraft.com/techarticles...ngs/index.html
http://en.wikipedia.org/wiki/Manifold_(automotive)
http://www.strikeengine.com/performa...manifolds.html
There are dozens of such articles on the benefits of ceramic coating and when I did my research years ago there weren't any saying it's only good for racing applications . . and since a lot of us who mod do race our cars . . . heck there are some that don't mod much and have raced their cars.
Anyway, I don't plan on spending anymore time digging up links and such . . so those who are in to "optimizing" their cars, ceramic coating is something to consider. And if you are going to spend $100+ or so on the headers my opinion is what's another $60-80?Anyway th th that's all folks . . you decide whether or not the benefits are important to you.
Ruf
My only car is a Bus
Joined: Sep 2005
Posts: 3,254
Likes: 1
From: Republik of Kalifornia
^ I know, I chose a lower number to amplify my desire for a more consistent gain over anything else.
Id take a consistent 5whp gain over a 10whp gain that will only lessen after a few amount of passes/runs.
Id take a consistent 5whp gain over a 10whp gain that will only lessen after a few amount of passes/runs.
Lead Footed
Joined: May 2001
Posts: 3,415
Likes: 15
From: Plano - Texas
The last time at the track, out of 8 runs the difference between the best and worst time was .08 seconds.
Ruf
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