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Old Feb 15, 2002 | 05:48 PM
  #1  
30th TA 0219's Avatar
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Default Header coating

First post here, I've been looking for a few weeks, and I love it <img src="graemlins/gr_hail.gif" border="0" alt="[hail]" /> Now that the car is out of warranty in 3 weeks, I may just put the MACs on with no cats, and get some SIMs. My question is this...What is the main purpose for coating the headers? I thought it was for efficency, but what the hell do I know? <img src="gr_emb.gif" border="0"> Anyway, a place around here does SS based coating and would charge like $175-$250 to do them and the ORP, but if it's just for longevity, couldn't I just coat them like POR-15 myself and $ave ca$h for more mods? Or, do they tend to corrode from the inside out as well? Also, how far back do you cut of the collector to do the FM collector? I've had these headers in the boxes for over year and a half, and want to put them on finally. Sorry it's so long <img src="graemlins/gr_zzz.gif" border="0" alt="[boring]" /> Thanks guys!! <img src="gr_grin.gif" border="0">
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Old Feb 15, 2002 | 07:11 PM
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Ultima's Avatar
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Default Re: Header coating

The main benefits of ceramic coating are: reduced radiant heat, increased exhaust gas velocity, prevents discoloration due to heat, reduces thermal fatique. Be aware that all thermal coatings are not the same and if not applied correctly are a waste of time.

[ February 15, 2002: Message edited by: Ultima ]</p>
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Old Feb 16, 2002 | 08:21 AM
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Default Re: Header coating

I coated my Macs primarily for the thermal benefit. Keep the heat out of the underhood area as much as possible.
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Old Feb 19, 2002 | 10:59 AM
  #4  
30th TA 0219's Avatar
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Default Re: Header coating

Also, with ORP, I know most everyone puts in DynoMax bullets, but where?? Can I just put in 1 3" in the IM pipe?!? Thanks again!!
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