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Thread: Ceramic coat stock manifold?

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    Default Ceramic coat stock manifold?

    Just curious if anyone has done this.
    I have a friend who owns a coating company and seggested that while I have the head off being rebuilt I give him the exhaust manifold and down pipe to ceramic coat. I have done this on other vehicles and it really kept the heat in check but havent seen any Z's with this done. No performance mods just stock 71 240 with a L24 and E31 head. This will be a daily driver for my doughter and mostly looking for dependability.
    Also the price is right

    Eric

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    Sounds like a good idea to me. Really hard to find OEM downpipes so the more you can do to extend the life of the one you have the better. If the price is right I'd do it.

    FWIW,
    Carl B.

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    Registered User ajmcforester's Avatar
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    I'm considering it, pushing heat out of the engine compartment helps the longevity of the car

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    It's very expensive ($150.00).......I didn't notice any real advantage. Especially if you're running stock.
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    Registered User Gary in NJ's Avatar
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    After hearing stories about stress cracks in the exhaust stack in aircraft similar to my homebuilt I decided to use a ceramic coating on the exhaust system. I was simply amazed with how the coating pulled heat from the exhaust. Moreover, I have well over 1,000 hours on the cross-over system with zero problems. Others I know with the same exhaust system have had failures within a few hundred hours.

    Ceramic coating works.
    Gary
    Guardian of HLS30-91415
    Previous Owner of a 10/70 240Z ('83-'85)

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    Thanks for the info guys,
    Being as he is offering to do them for free I guess it's the best way to go.
    It's nice to have friends in the right places.

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    Merchant of Cool Z train's Avatar
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    Do it.
    Faster than anyone in Oceanside

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    Administrator bpilati's Avatar
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    Is there some known problem with the stock exhaust manifold? I've got over 160K miles and never did anything to it.
    Bryan Pilati
    1971 Datsun 240Z (8/71; 920 paint)
    IZCC #583; TZCC #16; CZC #110
    I'm never serious unless I should be.

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    Ask your friend if he could coat the inside as well.

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    Registered User ajmcforester's Avatar
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    Quote Originally Posted by bpilati View Post
    Is there some known problem with the stock exhaust manifold? I've got over 160K miles and never did anything to it.
    Not really it is actually one of the better factory setups. The only problem I've seen on Z cars is the exhaust down pipe drooping a little. Heat cycle will do that over time.


    Quote Originally Posted by geezer View Post
    Ask your friend if he could coat the inside as well.
    This would be the biggest benefit when looking at longevity and heat reduction, the out side is more looks.

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    "Ask your friend if he could coat the inside as well."
    He is a good friend of mine and I'm sure I could get a fair price for you.
    As we talked today he seggested also doing other parts as Cermakrome is much easier to clean than pollished aluminum.
    If there is enough intrest I could look into a group discount on coating, his company does porcilan, ceramic, ceramakrome, plasticoat, sand blast, soda blast, etc., etc.

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    Sorry - read that wrong

    but could still work out a deal if anyone else was intrested.

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    Registered User darom's Avatar
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    Eric,
    If you could find out and post here how much your best friend is going to charge us for ceramically coating the stock exhaust manifolds, I'd appreciate it.

    There must be a reason why Nissan put that heat shield there :-) Thanks!
    - 1976 280Z
    - 1967 Camaro RS

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    Depending on the coating some will not take direct header or manifold heat. For example you can can not silver coat a catalytic converter they get too hot. Your manifold should be fine black or silver as the exhaust is not that hot.

    FYI, mine is coated black so it will not surface rust. It had nothing to do with anything but appearance. If he can do it, do it. JMHO, Richard.

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