5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

Piston Ring installation

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Old 10-11-2007, 05:18 PM
  #1  
hillbilly pony
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Default Piston Ring installation

I am finally rebuilding my engine and the rings are very unclear as to the order they go. One set has a peen mark on one side andhas abevel on the other side that faces away from the cylinder wall. The other set has a peen mark on one side and is perfectly square. which is the top. as for the oil ring i assume it doesnt matter which goes on the top due to the fact that both are identical. please let me know

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Old 10-11-2007, 05:20 PM
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ahittz24
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Default RE: Piston Ring installation

what kind of rings are they?
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Old 10-11-2007, 05:40 PM
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hillbilly pony
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Default RE: Piston Ring installation

they are sealed power rings from the summit rebuild kit.
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Old 10-11-2007, 05:58 PM
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ahittz24
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Default RE: Piston Ring installation

The order of the rings is listed on the tab on the box. when you open the first flap, they are ordered on the flap one one of the sides. The side with the punch mark is the top. They should be labeled ABC or 123 on the box and they are in the respective compartments in the box. Hope you still have your box.
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Old 10-11-2007, 06:15 PM
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hillbilly pony
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Default RE: Piston Ring installation

I a F*********K'n retard man im pissed. ok i have the box but of course thinking i was being smart i took them and set them together so they wouldnt get mixed up now i dont remember which hole they came out of. any suggestions.
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Old 10-11-2007, 06:49 PM
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JohnnyK
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Default RE: Piston Ring installation

I did that last year, I remember either the rings looked different, or the peen marks were different?
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Old 10-11-2007, 06:51 PM
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hillbilly pony
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Default RE: Piston Ring installation

They are definitely different. one has a bevel on the inside and one is perfectly square. I just called the summit tech number and they said bevel on the bottom. dont kow if i fully trust a guy getting 8 bucks an hour. so i figured i would ask the professionals....yep those of us who work on our own rides.
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Old 10-11-2007, 08:27 PM
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94StinkinLincoln
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Default RE: Piston Ring installation

call summit and ask them, they will help you. i did the same thing bud, i learned the hard way.
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