Replacing shortblock after ringland failure.

[Jackson1320]

100%. Factory .009-.012” ring gaps with 700+whp on gasoline don’t like long pulls or multiple back to back pulls on gasoline. Ask me how I know.

turning up any coyote should start with ring gaps

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[Angrey]

100%. Factory .009-.012” ring gaps with 700+whp on gasoline don’t like long pulls or multiple back to back pulls on gasoline. Ask me how I know.

Kinda crazy and counterintuitive that something as small and simple can set off a chain of events that destroy a motor right?

One would think the automotive industry would have developed rings that insert into itself and purposefully overlap (creating a better seal than with a gap) so it can accommodate a much wider range of expansion and contraction.

 

[K4fxd]

One would think the automotive industry would have developed rings that insert into itself and purposefully overlap (creating a better seal than with a gap) so it can accommodate a much wider range of expansion and contraction.

Total seal gapless rings fit that description.

 

[Angrey]

Total seal gapless rings fit that description.

Please expand/educate me (and others). I have total seal rings in my motor, I'll have to call and see if they're that.

 

[Cory S]

Please expand/educate me (and others). I have total seal rings in my motor, I'll have to call and see if they're that.

They aren’t. Probably Total Seal AP rings. With stainless top ring.

 

[Angrey]

They aren’t. Probably Total Seal AP rings. With stainless top ring.

That's what I'm thinking.

 

[DougS550]

Sorry if I’m posting in the wrong place. First timer. So I broke another cylinder #8 ringland. I’m out of warranty this time. So I’m gonna be ordering a new shortblock. But I’m just trying to make sure I don’t forget anything. Assuming with a broken ringland there may be debris through the engine oil passages, what all do I need to clean, replace or look out for while moving everything to the new block? Thanks for any tips/info!

I am sure others have told you, ring lands breaking is usually caused by detonation. Their are people running the Gen 3 to 1000hp with good luck. Detonation, lean conditions are death to pistons. One of the reasons I didn't get a Challenger SRT was every shop I talked to tolde the max HP on those before piston ring land failure was around 600 HP. Every single builder said the Gen 3 was a extremely OEM built engine which can handle doubling it's HP without much issues as long as al things match your HP limits, fuel system, tune etc. Good luck

 

[K4fxd]

Please expand/educate me

The gapless rings are actually two rings in one ringland.

 

[gimmie11s]

100%. Factory .009-.012” ring gaps with 700+whp on gasoline don’t like long pulls or multiple back to back pulls on gasoline. Ask me how I know.

Some are as low as 8 thou.

Great for N/A, but bad for heat and boost lol

 

[Cory S]

I am sure others have told you, ring lands breaking is usually caused by detonation. Their are people running the Gen 3 to 1000hp with good luck.

99% of them are on 60%+ Ethanol fuel, or WMI…….

Big boost with stock ring gaps is begging for a ringland failure. Even some on Ethanol have had ringland failures because how tight they are.

 

[xgxbulletxgx]

99% of them are on 60%+ Ethanol fuel, or WMI…….

Big boost with stock ring gaps is begging for a ringland failure. Even some on Ethanol have had ringland failures because how tight they are.

Mine has been on E85 testing 87% or higher the entire time, still broke again. It has to be just that. Too tight of ring gap.

 

[KingKona]

a stock shortblock should last a long time

Obviously not, since the OP has gone through two of them in short order.

 

[Jackson1320]

Kinda crazy and counterintuitive that something as small and simple can set off a chain of events that destroy a motor right?

One would think the automotive industry would have developed rings that insert into itself and purposefully overlap (creating a better seal than with a gap) so it can accommodate a much wider range of expansion and contraction.

your joking right

 

[EFI]

stock engine should have warranty

You think Ford is going to warranty a Procharged engine that blew a piston?

 

[Jackson1320]

Obviously not, since the OP has gone through two of them in short order.

so automatically it's the engines fault?

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