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Post Info TOPIC: Engine Break-in with ceramic coated headers



- Mason -
Maple Valley, WA


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Engine Break-in with ceramic coated headers
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I was at Georges yesterday and mentioned I bought the flowtech ceramic coated headers for my build.  George said he had read somewhere that breaking in a new engine with ceramics was a no no as the excessive heat will ruin the coating.  I did some reading on different forums and it sounds like that is the consensus.  I'm a ways off from firing anything up...but does anyone have some junk headers I can borrow for break in?

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- Mike -
Puyallup, WA


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Manifolds might be easier(and cheaper to find in someone's junk pile).....although louder, that's what I did but there was no body to contend with at the time.

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-Urethane Dave -
Alger, WA
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I broke in with My Flowtech's, no problem. I've never understood that one.

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- RAMBO -
Mill Creek, WA
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I thought george had a set of manifolds in his stash... I'd just break it in with those- make up some temporary down pipes and run it open for the break in- then put on your headers.

I have a set of 2" primary long tubes- uncoated, that you can borrow- but they are not junk- they are going on my motor when its ready... Not sure how well they will fit on your car though, they are for a 66/67 chassis. You'd really be best served by a set of shortys, or at least small tubes- as the big tubes are a PITA to work around.

I think putting on a set of long tube headers temporarily- then removing them (lifting engine to remove) to re-install yours would be a PITA... If you can find a set, I'd use manifolds so at least they could easily be taken back off after the 20 min breakin.



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- Big George -

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I do have a set of BBC ext manifolds under the bench...

Pal Ted ruined his coated headers at break-in...think Hooker site says don't do it

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- Mason -
Maple Valley, WA


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the two or three threads that I read were all Hooker related. I dug around in my flowtech box and didn't see any kind of warning/disclaimer about it. It sounds as though if the timing and carb settings are right it should be no problem. I just dont want to ruin $370 headers after only 20 min of use.

-- Edited by bad samaritan on Friday 2nd of April 2010 02:48:22 PM

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1970 Chevelle Malibu 454, TH350, 12 Bolt/Posi 3.42 gears

1969 Toyota FJ40 5.3L LM7, SM420, Toyota 3spd Xfer Case, 33" BFGAT's



- Big George -

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Absolutely correct. Big problem when people do not have big shop-style fans for air circulation and the timing being retarded....recipe for discolored headers.

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SOLD 70 Elky 496/th400 3/.90
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- wondah whooooaman-
Colorado Springs


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I broke in my motor with my ceramic Dynomax's and didn't have any problems.

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- Beemer Brett - Redmond, WA

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Its all about timing. You can advance the $hit out of an engine when there is no load. I broke my engine in on ceramics, no problem.  Don't waste your time changing them out and modifying you exhaust for either situation. My twocents.gif

-- Edited by Brettd85 on Friday 2nd of April 2010 12:27:10 PM

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- Aloha Mike -
Kapaa Kauai, Hawaii


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My Lemons headers came with instructions to wash the headers with alcohol before installation and again when the installation is done. First start 10 min cool off and then 15 min and cool off. Hope this helps....

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- Kevin -
Lake Stevens, WA


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I would do what I did with mine. Get a propane torch and run them througth a few heat cycles before you install them. It will cut way down on the smoke and may keep the headers looking better. FYI when I fired my engine yesterday I had almost no smoke from the headers.

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Bruce
Issaquah, WA


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Don't you guy's think that there would be more issues when braking in a hydraulic flat tappet cam? Being that those twenty or so minutes of RPM's take there toll on the heat. I just discovered that today I have to grind the header flange of my newly ceramic coated headers to fit around these new lower head bolts I put in, way taller. It's either that or use the old bolts that don't match.............I say grind away.

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- Dan -
Washington


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Of the 2 brand new motors ive broken in, the flat tappet cam had the headers red hot. Not sure of the timing. If you do chose to do it with the headers open you
re welcome to do it at my place. No neighbors on one side and complacent on the other.

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- Mason -
Maple Valley, WA


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Thanks Dan...I might take you up on it. Or I might treat that asshat across the street with all the lifted Ford's to a Saturday morning open header rip

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1970 Chevelle Malibu 454, TH350, 12 Bolt/Posi 3.42 gears

1969 Toyota FJ40 5.3L LM7, SM420, Toyota 3spd Xfer Case, 33" BFGAT's



- Beemer Brett - Redmond, WA

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I don't personally like open headers because you can't hear any unusual noises.

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