They're stainless, right?
If so, the answer is no.
If so, the answer is no.
JetHot Coating Question...
Is it neccesary to have our kooks LTs coated for a daily driver? I dont plan on taking the car to the track, and basically use it to go to work everyday and the occasional road trip.
I would like to get them coated, but I would rather save 300-400 if possible
I would like to get them coated, but I would rather save 300-400 if possible
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Reasoning behind getting Jet Hot Coating:
1) Make the headers last longer. Obviously not as important if you go with quality Stainless Steel Headers, like kooks.
2) Make the headers look better. This is subjective.
3) Keeps the exhuast gases hotter longer, encouraging better scavanging wich equals more power. This is a small gain, but a gain none the less.
4) Keeps under hood temperatures cooler, helping to prevent power robbing heat soak.
5) helps prevent wires/lines near the headers from getting burnt, damaged, or overheated due to the intense heat that uncoated stainless kicks off. (note that on the passenger side there are brake and fuel lines very close to the headers.)
You'll have to decide if the above 'benefits' are worth it to you. They were for me, especially # 5.
My $ 0.02, you decide.
-Chris
1) Make the headers last longer. Obviously not as important if you go with quality Stainless Steel Headers, like kooks.
2) Make the headers look better. This is subjective.
3) Keeps the exhuast gases hotter longer, encouraging better scavanging wich equals more power. This is a small gain, but a gain none the less.
4) Keeps under hood temperatures cooler, helping to prevent power robbing heat soak.
5) helps prevent wires/lines near the headers from getting burnt, damaged, or overheated due to the intense heat that uncoated stainless kicks off. (note that on the passenger side there are brake and fuel lines very close to the headers.)
You'll have to decide if the above 'benefits' are worth it to you. They were for me, especially # 5.
My $ 0.02, you decide.
-Chris
Jet Hot is a great process that really works and is fairly inexpensive.
I've put a pyrometer on both coated and uncoated headers. The difference in temp is so small it's meaningless.
Don't get me wrong, I love Jet Hot coatings when the part in question needs a coating that will withstand high temps (i.e. headers).
Stainless Steel does not. That's the great thing about SS; YOU DON'T NEED TO PAINT IT!
Don't get me wrong, I love Jet Hot coatings when the part in question needs a coating that will withstand high temps (i.e. headers).
Stainless Steel does not. That's the great thing about SS; YOU DON'T NEED TO PAINT IT!
Talk to your header mfg. Many mfgs already use Jet Hot. I know that TPIS did for a while until they found they could duplicate the process locally.
Thanks for the feedback guys. I'll call Kooks today to get thier take on the debate. Chris brings up a really good point about the fuel / brake lines - if I dont coat the headers then maybe I will insulate those lines instead
The ceramic coating is more thermal barrier than insulation, per se. You will not see huge differences at low engine load, but under repeated heavy load you will see the TB come into effect, especially over 500 F. There are better TBCs than Jet Hot for reducing thermal transfer. Reducing the underhood temps goes a long way for longevity of wiring, hoses, etc.I've put a pyrometer on both coated and uncoated headers. The difference in temp is so small it's meaningless.
You probably won't see much difference on the pyrometer either, because there isn't a significant percentage loss of EGT through the headers, particularly not right out of the head where you would appropriately put the probe anyway.
Michael
OK
Again, the coating's durability is where the value is and if your headers are stainless you don't need it
All the rest of the performance enhancement stuff is just marketing crap.
Again, the coating's durability is where the value is and if your headers are stainless you don't need it
All the rest of the performance enhancement stuff is just marketing crap.
There are better TBCs than Jet Hot for reducing thermal transfer. Reducing the underhood temps goes a long way for longevity of wiring, hoses, etc.
Michael
There are better TBC's than Jet Hot?
Which coatings are better?
Thanks,
rgd
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