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  1. #51
    Bronze Member DanB53's Avatar
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    Sep 2012
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    57
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    Soo, Ontario
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    McCormick W4

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    I've got them clean now. 200 grit sandpaper for the hard stuff and then finished it with a Scotch Brite pad. I avoided the seats, I'll clean them when I lap the valves.

  2. #52
    Elite Member
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    Jan 2009
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    2,878
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    Carroll, Ohio
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    IH Farmall 656 gas/ IH 240 Utility/ 2, Super C Farmalls/ 2, Farmall A's/ Farmall BN/McCormick-Deering OS-6/McCormick-Deering O-4/ '36 Farmall F-12/ 480 Case hoe. '65 Ford 2000 3 cyl., 4 spd. w/3 spd Aux. Trans

    Default Re: McCormick W4 won't run

    I'm thinking something like walnut shell media, or glass bead type. Never blasted them, but have as mentioned literally scraped them with the edge of a worn out file, then finished polishing with a wire wheel on a bench grinder. Just thought the blaster sounded easier Maybe even the material you have for yours, just know when to say when, and stay away from the seating part of the valve. If you're going to do a bit of lapping back in, if you'd stray with the blaster, that should clean it up.What I took off of the ones I did was a white ashen buildup, and harder than the hubs of heck...

    Maybe a straight or cupped, twisted wire brush on an angle grinder..?? And wear a dust mask..!!

  3. #53
    Bronze Member DanB53's Avatar
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    Sep 2012
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    57
    Location
    Soo, Ontario
    Tractor
    McCormick W4

    Default Re: McCormick W4 won't run

    They are clean and lapped now. Everything shined up pretty nice. The one that was stuck took some extra effort but its good now aswell. I've got to take a run down to the antique tractor store in New Berry Michigan to pick up the gaskets, guages, decals, fuse holder, etc. Once I have the new head gasket and manifold gaskets, I'll put her back together and cross my fingers that it'll start . I'll keep you guys updated.

  4. #54
    Elite Member
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    Sep 2010
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    Canada
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    Default Re: McCormick W4 won't run

    Take lots of pictures. You should have it going this week if all goes well getting the gaskets.

  5. #55
    Old Timer Soundguy's Avatar
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    Mar 2002
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    Central florida
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    ym1700, NH7610S, Ford 8N, 2N, NAA, 660, 850 x2, 541, 950, 941D, 951, 2000, 3000, 4000, 4600, 5000, 740, IH 'C' 'H', CUB, John Deere 'B', allis 'G', case VAC

    Default Re: McCormick W4 won't run

    oven cleaner...

  6. #56
    Old Timer Soundguy's Avatar
    Join Date
    Mar 2002
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    51,816
    Location
    Central florida
    Tractor
    ym1700, NH7610S, Ford 8N, 2N, NAA, 660, 850 x2, 541, 950, 941D, 951, 2000, 3000, 4000, 4600, 5000, 740, IH 'C' 'H', CUB, John Deere 'B', allis 'G', case VAC

    Default Re: McCormick W4 won't run

    nasty stuff.

    last time I have valves stick.. took lots of acetone to clean the stems..

  7. #57
    Bronze Member DanB53's Avatar
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    Sep 2012
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    57
    Location
    Soo, Ontario
    Tractor
    McCormick W4

    Default

    Quote Originally Posted by MIKE R
    Take lots of pictures. You should have it going this week if all goes well getting the gaskets.
    Ya. This store I'm getting them from is supposed to be really good. If he has everything in stock I'll run down there later this week.

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