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Old 07-03-2019, 09:46 AM   #556
firemanory
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Frank, were you able to get the pipes coated for the guys who wanted it?

Did you talk to Stromung about downpipes for this GB? If not I can contact Scott (worked with him before and he isn't too far from me) and ask him about making the downpipes again since he has a template already correct?

Just so I understand correctly, the GB included downpipes (as stated in initial thread)...so if I can get Scott to do the run on downpipes would you just pay him directly?

Thanks again Frank for getting this GB done!!

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Old 07-03-2019, 10:33 AM   #557
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Yeah, spoke to Scott, he purged his system and does not have templates anymore.

As far as coating, they quoted me $220 or so a set or $150 if 6 units. no coating has been done.

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Old 07-03-2019, 03:29 PM   #558
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Frank, I'm not sure how many sets you want coated or if it's worth the hassle but I had my headers Cerakoted here for $150. Not sure how much better they would do for volume but it's better than $220.
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Old 07-07-2019, 11:28 PM   #559
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I don’t know if it’s been mentioned but what material are the headers made from. If it’s stainless instead of mild steel I would forgo the coating if that’s refunded. If it’s mild steel they gotta get coated in something if they will rust.
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Old 07-11-2019, 07:28 PM   #560
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Shipping out a few sets today and a remaining sets next week, sorry but been swapped at work.
Who won the lottery last week guys? Remaining losers, what is the chance we get a tracking number tomorrow?
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Old 07-15-2019, 04:44 PM   #561
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Racing Dynamics m20 e30 headers

Headers came in today. Frank delivered after all, thank you sir.


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Old Yesterday, 09:06 AM   #562
jeffnhiscars
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I donít know if itís been mentioned but what material are the headers made from. If itís stainless instead of mild steel I would forgo the coating if thatís refunded. If itís mild steel they gotta get coated in something if they will rust.
I wound up with OE RDs which are stainless. I had them coated based on the supposed reduction in heat so there's that to consider
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Old Yesterday, 09:14 AM   #563
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Stainless steel is already a thermal barrier. Unlike regular steel. Therefore, I really wonder if ceramic coating them is really needed.
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Old Yesterday, 09:25 AM   #564
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Stainless steel is already a thermal barrier. Unlike regular steel. Therefore, I really wonder if ceramic coating them is really needed.
The guy who sold me the coating said it was lol.

Seriously though.. a quick search yielded this in reference to stainless VS mild

"But chromium atoms that are mixed in with the iron have the added effect of making the material worse at conducting heat than mild steel"

If it's worse at conducting then it does give off less heat. Whether the difference is significant enough to call it a thermal barrier I have no idea and about how much the coating helps, I know even less.

It is pretty though
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Old Yesterday, 09:29 AM   #565
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Racing calipers often use stainless steel pistons in order to reduce heat transfer from brake pads to brake fluid...
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Old Yesterday, 09:30 AM   #566
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It is pretty though

Bingo!!! SS can be made to look nice too but maintenance of that look will be a pain...considering the location



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Old Yesterday, 02:20 PM   #567
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Got my headers yesterday too. Paid for coating and they arrived uncoated. Are we going to get a refund for that?
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Old Yesterday, 06:23 PM   #568
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Got my headers yesterday too. Paid for coating and they arrived uncoated. Are we going to get a refund for that?


Did you pay for downpipes too?


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Old Yesterday, 06:53 PM   #569
firemanory
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Did you pay for downpipes too?


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We all paid for downpipes per the initial GB info.



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Old Yesterday, 08:22 PM   #570
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Originally Posted by jeffnhiscars View Post
The guy who sold me the coating said it was lol.

Seriously though.. a quick search yielded this in reference to stainless VS mild

"But chromium atoms that are mixed in with the iron have the added effect of making the material worse at conducting heat than mild steel"

If it's worse at conducting then it does give off less heat. Whether the difference is significant enough to call it a thermal barrier I have no idea and about how much the coating helps, I know even less.

It is pretty though
the question of whether a coating does anything or not to stainless steel is not really a question of whether 304 stainless steel is better than mild steel, as stainless is known to have a lower thermal conductivity and lower emmisivity so the heat transfer will be lower with stainless.

a lot of the ceramic coatings are nothing more than glorified VHT. the aftermarket world is full of smoke and mirrors without any real test data but the best ones to use are zirconia based that are plasma sprayed and they have some body (thickness) to them and therefore affect the conduction through the pipe wall. i think swaintec white lightening might be one of those that's what id be looking at but black if possible to avoid the grubby finger prints...lol

i personally think it looks much more presentable after coating especially on something where the fab quality is not up to scratch. Done properly it seems to last alot better than VHT paint, and any improvements in thermal control of under hood temps are a bonus ( it does still seem to help though). To protect components from the radiation a thermal heat shield is the best thing you can do but this conflicts with presentation.
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