collapsed lifter?
- Thread starter dpartinvr4
- Start date
- Joined
- May 25, 2008
- Messages
- 14,814
- Reaction score
- 54
Piston skirts don't collapse. But they do :smack: the cylinder walls.
A low oil scenario can cause them to slap. Once they start slapping, it scores the walls like a sand-paper condom....:ahhhhh:
I would do what the others say. But, I will add this. I had pretty badly scored cylinders. Due to the heavy 50 weight oil I was using, the compression test came back with all in the same percentage. A leak down would also be a good test. If you cannot do a leak down, then a borescope will do quiet well as a substitute.
A low oil scenario can cause them to slap. Once they start slapping, it scores the walls like a sand-paper condom....:ahhhhh:
I would do what the others say. But, I will add this. I had pretty badly scored cylinders. Due to the heavy 50 weight oil I was using, the compression test came back with all in the same percentage. A leak down would also be a good test. If you cannot do a leak down, then a borescope will do quiet well as a substitute.
justin13703
Active Member
- Joined
- Sep 9, 2010
- Messages
- 2,771
- Reaction score
- 17
Too bad they're not built like the old jeep inline 6. I got one that's been piston slappin for 200k miles and runs great and doesn't burn a drop of oil. Lol
- Joined
- May 25, 2008
- Messages
- 14,814
- Reaction score
- 54
Put some Lucas Oil Heavy oil stabilizer in there. See if it quiets it down.
Piston slap was actually a regular occurrence on a certain year Dodge Neon. The company ended up saying that it was,"normal wear and tear." That way they never didn't have to warranty out any more engines. :facepalm: Better design and a tad thicker oil would have prevented the problem in the first place.
Piston slap was actually a regular occurrence on a certain year Dodge Neon. The company ended up saying that it was,"normal wear and tear." That way they never didn't have to warranty out any more engines. :facepalm: Better design and a tad thicker oil would have prevented the problem in the first place.
dpartinvr4
Member
- Joined
- Aug 31, 2011
- Messages
- 865
- Reaction score
- 0
Already tried lucas, and it doesn't burn oil, so that's good i suppose.
sdxrunner619
Active Member
- Joined
- Jan 20, 2010
- Messages
- 3,836
- Reaction score
- 7
The tranverse mounted 2gr has bad piston slap. Once it warms up it goes away. Toyota/lexus calls it normal.....
dpartinvr4
Member
- Joined
- Aug 31, 2011
- Messages
- 865
- Reaction score
- 0
Status: so far I've got the passenger side done, from front to rear 135, 130, 127 these are cold numbers
dpartinvr4
Member
- Joined
- Aug 31, 2011
- Messages
- 865
- Reaction score
- 0
As looking at the engine from the front
127 105
130 90
135 135
Looks like it's time to go forged internals........or trade in for an Audi
127 105
130 90
135 135
Looks like it's time to go forged internals........or trade in for an Audi
Last edited:
dpartinvr4
Member
- Joined
- Aug 31, 2011
- Messages
- 865
- Reaction score
- 0
Ill see what i can do
burnboy
New Member
- Joined
- Nov 8, 2010
- Messages
- 860
- Reaction score
- 1
Don't buy an Audi! I'm an Audi master and I'm tellin ya if you want engine problems buy an Audi. Buy a ford homie
Here's 2 piston jobs at once
Oil consumption all day long replacing pistons and rings because the oil control ring hunks up from carbon from blow by because the oil separator can't properly control ring flutter
Here's 2 piston jobs at once
Oil consumption all day long replacing pistons and rings because the oil control ring hunks up from carbon from blow by because the oil separator can't properly control ring flutter
Last edited:
dpartinvr4: 2 low cylinders...get em checked out as mentioned.....
To all: Do these engines have cooling issues or something else causing failure or just weak components? Is there a trend on which cylinders tend to go first on these motors?
Whitebeauty
New Member
- Joined
- Oct 15, 2011
- Messages
- 5,237
- Reaction score
- 0
Number 6 on the 4runners
- Joined
- May 25, 2008
- Messages
- 14,814
- Reaction score
- 54
#6 runs the hottest, then #5. Rear driver, & rear passenger.
Ring lands and rings cannot handle to much predetonation. Actually, these engines are very weak when it comes to predetonation.
Those numbers are all low though. Should be between 170s-180s.
[ame]http://www.youtube.com/watch?v=CXxddyaRr5c[/ame]
Ring lands and rings cannot handle to much predetonation. Actually, these engines are very weak when it comes to predetonation.
Those numbers are all low though. Should be between 170s-180s.
[ame]http://www.youtube.com/watch?v=CXxddyaRr5c[/ame]
dpartinvr4
Member
- Joined
- Aug 31, 2011
- Messages
- 865
- Reaction score
- 0
Anybody tried the clegg stock rebuild kit?
- Joined
- May 25, 2008
- Messages
- 14,814
- Reaction score
- 54
Spontaneous combustion prior to planned detonation.
Wait. So you are trying to hassle me on a well known industry accepted term, but not on the comment about a "collapsed piston skirt"??? :eviltongue:
Wait. So you are trying to hassle me on a well known industry accepted term, but not on the comment about a "collapsed piston skirt"??? :eviltongue:
Last edited:
madtrucker
Well-Known Member
- Joined
- Feb 28, 2012
- Messages
- 1,376
- Reaction score
- 75
Ping......
