 
     |
| Powdercoating, ceramic coating, or hit-temp spray paint? (Page 2/2) |
|
fredtoast
|
JUN 07, 10:58 PM
|
|
Wrap 'em for a fraction of the cost..
And even though I don't know for sure, that does not stop me from giving my opinion. So I am saying that the wrap is even more efficient at heat reduction than the ceramic coating.
|
|
|
|
ericjon262
|
JUN 08, 12:47 AM
|
|
FWIW, these manifolds were painted with VHT exhaust paint from Orielly's.
I applied it in March of 2019, following the instructions as closely as possible, and cured them in an oven. The truck has been driven tens of thousands of miles, literally across the country, it's been to Alaska, Key West, and almost everywhere in between, I also didn't have access to a sand blaster to get them really clean first, just wire brushes. all weather, rain, snow, sun, you name it. it's been on salted roads, and even spent the night at Bonneville once. it is worth mentioning though, it's a suburban with a TBI 350, Maybe if I'm lucky it makes 200 hp. your results may vary, but I'm pretty happy with mine.
here's a shot of some of the road trip miles it's been on. it's also served DD duty several times, it's ever faithful.
https://www.oreillyauto.com.../flameproof/vht/vht1
Pictures of the initial installation, along with the full build are on RFT in the "other cars" section.
http://www.realfierotech.co...php?p=157628#p157628
something else that's worth mentioning, "Engine Masters" on Motortrend attempted to prove the performance value of header wraps and coatings, they found ZERO HP gain in a dyno cell from any wrap or coating on the headers over the same header left bare. They did also mention that their test did not replicate real world conditions in a car, and that reductions in underhood temperatures could have an impact on performance and vehicle comfort. Their test was also on a N/A V8, not a turbo car, which I think could have a larger gain, mostly in boost response from retaining heat. Overall, I tend to agree with their findings, and believe the exhaust design is more important than the heat retention applied.
------------------
"I am not what you so glibly call to be a civilized man. I have broken with society for reasons which I alone am able to appreciate. I am therefore not subject to it's stupid laws, and I ask you to never allude to them in my presence again."
I invited Lou Dias to trash me in my own thread, he refused. sorry. if he trashes your thread going after me. I tried.
|
|
|
|
Spadesluck
|
JUN 08, 01:32 AM
|
|
Wrapping exhaust is proven to provide the best at reducing heat. Ceramic coating will reduce the heat some, but this will allow any header to live for long time preventing corrosion. High temp paint works but not as good as the previous two and it doesn't last as long as ceramic coating. Ideally you could ceramic coat and then also wrap them. I just watched an episode on Engine Master's and they did tests on all three of these options. It's worth taking a look at that.
edit: ericjon262 beat me to it about the episode. ha[This message has been edited by Spadesluck (edited 06-08-2023).]
|
|
|
|
Mickey_Moose
|
JUN 08, 08:54 AM
|
|
| quote | Originally posted by 82-T/A [At Work]:
Any idea what you paid (Canadian) for that? Thank you! |
|
Been awhile, IIRC is was around $100-200 - I seem to think it was closer to the $100 mark. I took it to a power coater that could do it. I would have to see if I still have the receipt for an exact cost.
|
|
|
|
Vintage-Nut
|
JUN 08, 09:43 AM
|
|
|
|
|
82-T/A [At Work]
|
JUN 08, 02:46 PM
|
|
Thank you guys! I really appreciate it! Sorry, I didn't realize there had been so many responses to this... so thank you everyone!
1 - Sounds like Ceramic is the way I want to go for my exhaust manifold, and the header pipe to the catalytic converter. I'll clean up the rest of the exhaust as Sleek says and hit it with some hi-temp paint.
2 - The rest of the exhaust might be the factory exhaust, I'll take a look later today. I made the assumption because all the hangers and springs are original... normally exhaust shops just weld in one of those rubber isolator brackets with the exhaust clamp on it. It COULD be an Ocelot... not sure. When I pull the motor I'll check it out.
3 - My welding skills are actually pretty decent... been doing it for over a decade, but not sure I'm going to tig-weld a perfect exhaust since it's only a 4-cyl... though I will probably do that instead of clamps when putting everything together.
Good news is that apparently Tampa has a huge prevalence of collector car / hobby shops... so I did a search the other day and there are a few down the street (about 20 minutes from here).
Thank you!
|
|
|
|
lateFormula
|
JUN 09, 09:02 AM
|
|
|
Jet-Hot all the way. It's a metallic/ceramic coating that they apply to both the inner and outer surfaces. Helps keep the heat inside the tubing. Worth every penny. I've used Jet Hot on a few cars exhaust systems and never been disappointed.
|
|
|
|
fierosound
|
JUN 09, 11:40 AM
|
|
|
|
|
