I had my Doug Thorley (basicaly the same as leach) headers ceramic coated.
The nickle chrome plating isn't a problem. I had HPC do mine
www.hpcoatings.com ). I sent them in used and they used some type of
chemical or acid to strip all the carbon and all of the nickle chrome off
down to the bare metal. Then they coated them inside and out. I've had
them on for about 7 months now and there hasn't been any discoloration.
There has been some slight "dulling" of the shine. Some of that was my
fault I believe because I used some engine degreaser once and I don't think
I rinsed it all off before I let the headers heat up again. But I'm sure
any of the Bastrop/Sealy attendees who looked at my headers would agree they
look great. HPC does sell some polish that is formulated for the ceramic
coating that is supposed to make them look all pretty again.
I originally only planned to coat the headers and leave the y-pipe as is.
But to have the y coated was only $40 more and when you think about it the y
pipe is in a pretty bad location, picking up all the rain, and mud and if
you live up north snow and salt... So I had mine coated. And the y pipe
does run fairly close to the tranny pan.... any heat you can keep out of the
tranny is a plus right?
And the coating does work! The ammount of heat under the hood has been
reduced to at least what it was with stock manifolds, and perhaps just a tad
more. Gene Rivers can attest to this as I showed him this in Sealy...
As far as price.... Here's is an email quote I recieved from HPC when I
enquired about having mine coated. One thing to note is that several weeks
after I recieved this quote and was ready to ship my headers, I called and
was given a higher quote. The guy on the phone told me to enclose a print
out of the email so they could match what I was quoted.... That's what I
did and they honored the first quote
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From: Kindigit2@aol.com
To: mclark@wt.net
Subject: Re:
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----DEAR MICHAEL, THANKS FOR YOUR INTEREST IN HPC...... HERE'S THE ANSWERS TO YOUR QUESTIONS. FOR COATING SERVICES YOU WOULD BE LOOKING AT $195.00 FOR THE HEADERS AND THATS FOR BOTH INSIDE & OUT IN OUR POLISHED ALUM. FINISH AS FOR THE X-OVER PIPE ASSEMB. THAT IS $40.00 MORE AND THATS ALSO FOR INSIDE AND OUT, WE STRONGLY SUGGEST THAT ALL PARTS ARE TO BE COATED ID/OD FOR MAX. THERMAL PROTECTION BESIDES IT WOULD ONLY SAVE YOU ABOUT $10.00! SENSE THE PARTS ARE USED THERE IS A CHEMICAL STRIP CHARGE OF $20.00 AND THATS FOR REMOVING CARBON & OIL FROM ID ALSO TO REMOVE THE CHROME FROM THE OD....... ALL HPC'S COATING HAVE A LIFE TIME WARRANTY ON THEM NO MATTER IF THERE NEW OR USED, IT DOESN'T MATTER. FOR TURN-AROUND TIME OKC,OK IS TURNING 4-5 WORKING DAYS OR SLC,UT IS RUNNING 3-4 DAYS.....WE ALO HAVE EXPEDITE SERVICES FOR RUSH JOBS WHICH CAN BE SAME DAY FOR 50% OF THE TOTAL ORDER OR 25% FOR NEXT DAY......TO BE HONEST WITH YOU I WOULD JUST PUT IN YOUR NOTE THAT YOU NEED THE PARTS BACK A.S.A.P. WITH A DATE OF NEED AND JUST DO IT NORMAL. PLEASE CALL ME DIRRECTLY IF YOU NEED SPECIAL SERVICES SO I CAN SET IT UP FOR YOU, CALL 1-800-456-4721 AND ASK FOR SUPER DAVE........ ANY OTHER QUESTIONS JUST E-MAIL OR CALL!!!!!!!!!! THANKS AGAIN, YOUR FRIEND DAVE KINDIG
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If anyone would like to see, I have before and after pictures up on my website. Just go to www.mikesdakota.com and click on DT headers (under Performance).
---Mike, near Houston.--- http://www.mikesdakota.com '93 V8 4X2 Houston Area DML Meet Page http://www.geocities.com/motorcity/downs/9221
----- Original Message ----- From: Bob H <torch@triplet.net> To: <dakota-truck@buffnet.net> Sent: Sunday, April 04, 1999 10:05 PM Subject: Re: DML: Ceramic coating on the Leach headers?
> At 08:33 PM 4/4/99 EDT, you wrote: > >Has anyone had the ceramic coating done on their leach headers? If so how > has > >the coating held up? How much was it for just the headers (Not the y-pipe) > >Has it discolored at all if you got it done in silver? > >Thanks > >Charles Smith > > > >Charles, > > pls let me know what you find out. Problem I see, is the Leach headers are > nickel chrome coated, how does this affect the ceramic adhereing to them? I > do not see any sense in doing the y pipe either. In the market for a set, > but had this same question. > Bob Hardt > Aiken,SC > 99 Black Dakota CC 5.2 Auto >
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