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Flathead piston ring compressors

Discussion in 'The Hokey Ass Message Board' started by thundershorts, Nov 15, 2010.

  1. thundershorts
    Joined: Apr 4, 2007
    Posts: 35

    thundershorts
    Member

    Anyone ever use one of those tapered aluminum ring compressor sleeves to install 4 ring pistons in a flathead ford block? Summit 90A3100 is the one I found, and am wondering if these are better than the traditional clamp type compressor. What say you?
     
  2. Bruce Lancaster
    Joined: Oct 9, 2001
    Posts: 21,681

    Bruce Lancaster
    Member Emeritus

    If you can find right diameter, the tapered sleeve is much nicer than the traditional screw-tightening kind.
    My favorite, impossible to find but easy to make, is the one KR Wilson supplied to dealers.
    It was just a piece of steel strap maybe 1 1/2" wide. It was bent into a circle, actually MOST of a circle, maybe 340 degrees, with the ends finished off as handles bent outward. Hold handles, give a quick squeeze and push piston down. If 4-ring, squeeze-push-release-repeat. Takes only seconds per piston.
    Traditonal clamp works fine but takes a lot of fiffling.
     
  3. thundershorts
    Joined: Apr 4, 2007
    Posts: 35

    thundershorts
    Member

    By way of followup, I used the Summit adjustable tapered aluminum installing sleeve on my 49 merc rebuild and it worked flawlessly. So much nicer than those old school band clamps. Used plenty of ***embly lube; Slick and quick.
     

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