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  1. #1
    Join Date
    Mar 2002
    Windsor Ontario

    Question Cleaning Before Painting

    Now that u heave your engine removed and on the cherry picker or engine stand, what do u use to clean off the dirt, oil, grease, etc. before painting?
    Power washer, chemicals? Other suggestions?
    I ask the question because I will be pulling engine in the spring to replace the rear main seal and whatever is necessary. Engine was painted by a 3rd party back in 2002.
    1972 GS 350 ht #s
    2015 Chev Colorado Z71
    2015 Chevy Cruze

  2. #2
    Join Date
    May 2013

    Default Re: Cleaning Before Painting

    The foaming engine cleaner in the aerosol dies excellent with the psi washer, as does the foaming super clean in the spray bottle, then rags and a case of brake kleen
    70 stage 1 Back under construction
    540 Tomahawk, F1c-94 Procharger
    Holley HP EFI, Stage 2 TE's
    Shooting for 1khp at the tire and 5.50s


  3. #3
    Join Date
    May 2014
    Caledonia, MI

    Default Re: Cleaning Before Painting

    I soak the real heavy grease/oil with brake clean. Then I hit it liberally with Simple Green, keeping it wet for awhile. Then power wash.
    '62 LeSabre 4dr. sedan
    '65 Skylark convt.
    '67 Skylark 2dr. hdtp.
    '30 Ford Roadster pickup
    '68 Nova SS
    '69 Z/28 RS apart
    '70 Camaro RS race project
    '71 Z/28 RS
    '73 Beetle convt. project
    '78 Futura
    '78 Fairmont wgn project
    '83 Olds Delta 88 Royale
    '88 Dakota
    '92 Plymouth
    '05 Silverado 4x4
    '14 Dodge Journey Blacktop edt.
    My name's Jerry and I'm a caraholic.

  4. #4
    Join Date
    Feb 2012
    Grants, New mexico

    Default Re: Cleaning Before Painting

    I've had good results scraping off as much as possible. Then coat everything with Easy Off heavy duty oven cleaner and let it soak for about an hour. Then spray it down with some Parson's sudsy ammonia and start scrubbing with various brushes with a little water. Rinse that off and hit it one more time with ammonia and scrub brushes with a little water and rinse well.

    Heavier grease may take a couple rounds with oven cleaner, but it works.

    Just be careful getting oven cleaner on aluminum. If you leave it on aluminum too long it can etch it or discolor it. I removed the fuel pump and it worked out good.

    Also try to have ventilation, the fumes can make it hard to breath.

    1964 Skylark

  5. #5
    Join Date
    Jul 2004

    Default Re: Cleaning Before Painting

    Got to be careful with simple green. If not heavily diluted will turn aluminum components white.
    Tom Telesco
    Classic and Muscle Automotive
    12 Cook St.
    Norwalk, CT 06853-1601
    Day Phone 203-324-6045 ET
    NailHead Mini-Starters '53-'66
    Adjustable Roller Tip Rocker Arms - All NailHeads
    Custom Forged Pistons
    Many parts to numerous to list
    "If I can't get it, you don't need it!"

  6. Default Re: Cleaning Before Painting

    Scrape the heavy stuff off, soak it and scrub with Purple Power and a round short parts cleaning brush until all the dirt/grease is off. Use a wire end brush on a die grinder to remove the old paint until it's all shiny metal ( high nickel blocks will get shiny when wire brushed). Wash it down with prep-sol and paint it.

  7. #7
    Join Date
    Feb 2002

    Default Re: Cleaning Before Painting

    Everyone has their methods. I use mineral spirits and a parts cleaning brush
    Jason Cook
    BPG #1675
    "Expert in obsolete technology"

    1968 Riviera GS- some assembly required
    1969 Riviera GS- my first car
    1969 GS-350
    1970 Stage 1 4 speed Aquamist
    1970 GS-455 Bamboo Cream beater
    1971 GS 455 11.93@113.36
    1972 GS-350
    1970 Stellar Industries vintage go kart

    Deo duce, ferro comitante

  8. #8
    Join Date
    Jun 2005

    Default Re: Cleaning Before Painting

    have used diesel before
    66 skylark 2 dr hartop...... in progression
    07 silverado 3500 hd 6.0
    12 kia sorento sx
    99 f150
    89 dodge spirit



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