piston and ring

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05-01-2011, 08:47 PM

93 stallion

1st Gear Member

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Join Date: Jan 2011

Location: tex

Posts: 99

piston and ring

Just took the motor apart n the ring on piston 5 (just the top ring) was broken in alot of pieces. What could cause that? Also the piston is scratch between the top n the first ring. Is it still a good piston

05-01-2011, 10:25 PM

tinman

5th Gear Member

Join Date: Aug 2004

Location: Arizona

Posts: 4,103

Sounds like that piston is history.
A lot of things could have caused the ring to break.
Is this the only one like that?

05-02-2011, 02:24 AM

93 stallion

1st Gear Member

Thread Starter

Join Date: Jan 2011

Location: tex

Posts: 99

No, all of the top rings on#5 6 7 8. But not all the pistons r scratch only #5. I noticed it deferent after they change the intake.

05-02-2011, 05:40 PM

67mustang302

6th Gear Member

Join Date: Apr 2007

Location: California

Posts: 10,468

Coulda broken from excessive wear, crappy oil, most likely bad tune.

The lands are quite possibly bad as well.

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