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  • 1 Post By rspears

Thread: Advice on cleaning engine

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  1. #1
    84Monte is offline CHR Member Visit my Photo Gallery
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    Jul 2017

    Advice on cleaning engine


    Hey guys, I have a question. So I have a 267 engine that has been sitting in my barn for 20+ years and I was wondering, what is the best way to go about cleaning it? Should I avoid getting degreaser and water in any of the ports and holes? It does not have a intake manifold, carburetor, spark plugs, or headers on it. I took the valve covers off but I will put them back on while I clean it. Thanks in advance.

  2. #2
    firebird77clone's Avatar
    firebird77clone is offline CHR Member Visit my Photo Gallery
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    Sep 2005
    Car Year, Make, Model: 69 nomad, 73 charger, 74 vega

    Yes, you SHOULD avoid contamination to the internals.

    The best way is to block off all ports. Summit has block off kits, or you can put on an old set of headers or manifolds and intake.
    Education is expensive. Keep that in mind, and you'll never be terribly upset when a project goes awry.

  3. #3
    Matthyj's Avatar
    Matthyj is offline CHR Member Visit my Photo Gallery
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    Oct 2014
    Car Year, Make, Model: '32 Ford Hi Boy, '37 wildrod sedan

    Personally i wouldnt use water, a gallon of lacquer thinner and a brass wire brush after blocking eveything off, i also use toilet paper put into all the intake and exhaust ports before the block off kit, because the block off kit is not liquid tight, if a small piece of tp got left in somwhere and i mean very small it would either burn up or dissolve, but i would dip the wire brush in the thinnet and scrub it, than rinse with thinner afterwards, thats just me, change the oil also afterwards, and after the first firing change the filter. Good luck
    Why is mine so big and yours so small, Chrysler FirePower

  4. #4
    rspears's Avatar
    rspears is offline CHR Member/Contributor Visit my Photo Gallery
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    Sep 2007
    Gardner, KS
    Car Year, Make, Model: '33 HiBoy Coupe, '32 HiBoy Roadster

    You could also clean the machined surfaces with brake cleaner or carb cleaner, wiping them clean and dry and use duct tape to form a valley over the intake area and over exhaust ports. Double thick isn't a bad idea if you plan to use a pressure washer vs the thinner & brush approach.
    Matthyj likes this.
    Enjoy the little things in life, and you may look back one day and realize that they were really the BIG things.

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