Stainless or JetHot?

xoxbxfx · Mar 20, 2006

Just wondering you guy's opinons... I have been lookin at some jet hot coated longtubes for the 69 and they are something like $600. I figure I can have a buddy build some stainless headers for a bit more than that. Would you do stainless or jethot?

Tubo(2-bo) · Mar 20, 2006

The only question should be "JetHOT silver or Jet Hot platinum?"
Answer, JetHot Platinum.

Dang Southlake? No kiddin, I used to live in Grapevine.

xoxbxfx · Mar 20, 2006

Tubo3 said:
The only question should be "JetHOT silver or Jet Hot platinum?"
Answer, JetHot Platinum.

Dang Southlake? No kiddin, I used to live in Grapevine.

haha... man, im no rich kid, I do all the work on my cars. I started up a resto business that really didnt go anywhere but I have friends in the right places. I can get some headers welded up for pretty cheap.

Tubo(2-bo) · Mar 20, 2006

Read up on JetHot coatings, the platinum coating is only a few bucks more, Hehheh, its not real platinum
B-sides even us poor guys deserve the benefits of a good ceramic coating over stainless.

Take your "custom" headers & have em JetHotted for $175

10secgoal · Mar 21, 2006

What's the advantage of jet hot over SS ? SS will never chip it's coating and rust...

Route666 · Mar 21, 2006

The ceramic coating reduces heat transferring into the metal of the header, and thus slows thermal fatigue, and dramatically decreases the rusting that the heat causes, as air is blocked from the surface of the metal.

It keeps the exhaust gas hotter, which keeps the velocity up, potentially increasing scavenging.

It keeps the underhood area a little cooler.

EDIT: Get some SS ones, and get them coated.

CarFreakGT · Mar 21, 2006

Anyone feel free to add input to this: But, just so you know, xoxbxfx, the JetHot coating will show surface rust. I put some FRPP JetHot shorties on my 5.0 and they are showing light surface rust after 2 years.

C0V3R · Mar 21, 2006

CarFreak - thats only because they werent coated properly. If done properly it shouldnt rust.

10secgoal · Mar 21, 2006

I have to look to find the differences exactly. But I'm pretty sure SS will retain heat better then Jet hot.

1320stang · Mar 21, 2006

It's as easy as ABC - Air Born Coatings.

The first company to ceramic coat headers was HPC - High performance coatings, JetHot, Air Born and everyone else followed. The guys that started Air Born are actually the chemists that worked for HPC, so they probably have the most extensive knowledge in the industry.

I figure the cost on the SS headers will be at least twice what the coated ones will cost. Part of that is the fab costs, the other is the SS cost. Generally SS headers run about $2000, these are for turbo drag cars and equal length doesn't matter, nor does tube size for some odd reason and they're normally not longtubes, more like shortys flipped. A set of fabbed equal length headers that aren't SS runs about $1000 uncoated. I takes about a day to do each side and a day to weld up and double check fit. There's a lot of bolting and unbolting that happens and they have to have the car/truck.

If you've got a buddy that will do SS headers for $800 or so, either you're robbing him blind or he's robbing the company he works for blind. Or it's extortion and you have photos of him in 'compromising' positions, LOL!!

If you just buy the bends and collectors to weld up a set of SS headers, you'll have over $700 in them.

66forfun · Mar 21, 2006

If the "ceramic" coating is on the outside only it will actually increase the temperatre of the carbon steel header tube, not causing corrosion, rather causing the carbon steel to scale off due to running temperatures in excess of the allowable limits of C.S.. I've seen headers wrapped in heat tape that turned to dust in less than two years. Having said this, the thermal barrier should also be applied to the inside of the tubes for maximum life out of the exhaust.

xoxbxfx · Mar 21, 2006

1320stang said:
It's as easy as ABC - Air Born Coatings.

The first company to ceramic coat headers was HPC - High performance coatings, JetHot, Air Born and everyone else followed. The guys that started Air Born are actually the chemists that worked for HPC, so they probably have the most extensive knowledge in the industry.

I figure the cost on the SS headers will be at least twice what the coated ones will cost. Part of that is the fab costs, the other is the SS cost. Generally SS headers run about $2000, these are for turbo drag cars and equal length doesn't matter, nor does tube size for some odd reason and they're normally not longtubes, more like shortys flipped. A set of fabbed equal length headers that aren't SS runs about $1000 uncoated. I takes about a day to do each side and a day to weld up and double check fit. There's a lot of bolting and unbolting that happens and they have to have the car/truck.

If you've got a buddy that will do SS headers for $800 or so, either you're robbing him blind or he's robbing the company he works for blind. Or it's extortion and you have photos of him in 'compromising' positions, LOL!!

If you just buy the bends and collectors to weld up a set of SS headers, you'll have over $700 in them.

Honestly, IM adding up SS costs and its not as bad as you would think. Some 304 stainless 1 3/4" tubing would run close to $400 then add in flanges $100 a set, then about $100 for the collector flanges. So $600ish. im doing the mockup (some old hooker comps as my guide) and the cars gonna have a MII so, steering and stuff really isnt an issue. He said he'd weld it for the costs of materials but I figure $100 just to say thanks.

69boss429 · Mar 21, 2006

Go stainless with the Jet Hot coating,that's what I did.Hey,its only money,how many of these are you going to build.I had them coat my intake manifold as well,better than polished alum.easier to clean,and looks good.www.1969boss429.com

xoxbxfx · Mar 21, 2006

69boss429 said:
Go stainless with the Jet Hot coating,that's what I did.Hey,its only money,how many of these are you going to build.I had them coat my intake manifold as well,better than polished alum.easier to clean,and looks good.www.1969boss429.com

LOL... $700 turns in to 1100

69boss429 · Mar 21, 2006

xoxbxfx said:
LOL... $700 turns in to 1100

So,how many times are you going to do this? Besides,the Jet Hot coating will look better,that is unless you are going to polish the stainless.Just my 2 cents,I was looking for the ultimate in longevity!

xoxbxfx · Mar 21, 2006

69boss429 said:
So,how many times are you going to do this? Besides,the Jet Hot coating will look better,that is unless you are going to polish the stainless.Just my 2 cents,I was looking for the ultimate in longevity!

LOL..this is coming from a guy with a boss429. I have a 69 coupe

69boss429 · Mar 21, 2006

xoxbxfx said:
LOL..this is coming from a guy with a boss429. I have a 69 coupe

Well,they don't make them anymore either!My next project(my wife thinks its hers) is a 1971 Pinto Runabout,full cage,289,C-4.With 400hp at 2500lbs it will be a blast.

10secgoal · Mar 21, 2006

I've heard one more than one occasion that SS is the way to go if you can afford the dough. 66fordfun is right, the coating unless on a simple log header or somethings easy to get to, not all of the inside is going to get coated. I've been talking to many turbo builders who have been doing it for years and with the thermal capabilites of a motor output, the inside would bake of anyways. So basically again to what 66funford said, the header just eats itself from the inside.

xoxbxfx · Mar 21, 2006

10secgoal said:
I've heard one more than one occasion that SS is the way to go if you can afford the dough. 66fordfun is right, the coating unless on a simple log header or somethings easy to get to, not all of the inside is going to get coated. I've been talking to many turbo builders who have been doing it for years and with the thermal capabilites of a motor output, the inside would bake of anyways. So basically again to what 66funford said, the header just eats itself from the inside.

you are correct...EGT's can go through the roof on turbo motors. 3rd gen cummins turbo diesels have hit 1600*F...the biggest worry was melting the pistons

stainless is the preffered metal for turbo hands down

66forfun · Mar 22, 2006

1600F is cool compared to the inlet temps the heat exchangers that I design. We regularly see 2300F flue gasses. Have seen plenty of heat related damage in my time. Stainless with heat tape would be the way to go unless you want it pretty then coat it.

Stainless or JetHot?

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