Really, talk about patting oneself on the back..What shop might this be with all those Nissan in it at once?
At any rate enjoy your engine builds mate, I wish you the best of luck..
Perhaps with all of your knowledge you can shed some light on the original topic. Why do you think his JE pistons failed at the skirts?

 

so what happens when arias, pauter, crower, etc, has a bad batch that has a material flaw, granted i doubt it will happen, but nothing is 100%. are you gonna refuse to use their parts as well?

 

I guess that could happen...And I guess you can use any variable to any scenario to make your point valid...However all I am saying, which by the way has nothing to do with the original topic and my last post,is that we have personal preferences in parts we use,as does every other tuner shop in the world. Some people here act as if they have stock in Eagle products...
Jesus christ, enough already, why am I getting flamed for voicing my opinion? There is no right or wrong here and Im sick of replying to dumb *** comments..
The "WHAT IF" variable can be liberally applied to any situation and is a typical cop out for ones debate.
Well "what if" the 350z can fly? What if my **** was 14" long? What if dogs could talk? You see how silly it sounds..
This whole retort has nothing to do with a JE piston falling apart in ones motor. Every manufacturer has had failures at one point. Some material related, some design related. Im not saying Eagle rods are garbage, what I am saying is for serious HP motors I would opt for something else....Hell what the hell do we know..

 

This is driving me crazy...Everyone just get along...he voiced his thoughts which he has the right to do.....I think eagle rods can handle 800whp+ they have been proven and havn't failed yet so until they do who knows... Everyone smoke a blunt its the 4th Come on look at the compression of the pistons guys..the car was probally beat on before it was sold to the new owner it failed on...who knows if the tune was before he bought it or after....there are 2 many vairables to blame JE.....They were all motor high comp pistons made for the z 3 years ago what did you expect...don't blame JE he was probally tracking the car and there was some slight or major detanation..look what happened....

 

What, now you're bringing religion into this??

 

WOW! what a freakin thread. All I'll say is that when I do my motorbuild, I will have Carrillo rods and Arias pistons. My targeted hp is only 450-500 but who knows, I may want more later and I want internals that'll support higher #'s. Doing it once, doing it right.

 

Back to the original subject:

I have just had another look at that piston on page 1

There is no cutout in the lower skirt on 1 side to clear the oil squirters like the OE & other aftermarket pistons.

Now I can't measure the piston by the photo but there is very little clearance in this area & maybe the piston has just touched.

Arias made up a batch of pistons for the Z where there was a clearance problem in this area.

 

Think you may be onto somethign Nathan..
OWNER: is there any witness mark on the squirter in any way? What cold clearance (if known)?
It looks very similar to the orginal YFZ yamaha pistons from JE which did exactly the same thing.
Lighter, but all load applied to thrust faces of skirt due to no support at pin ends.

 

Interesting piston discussion.

 

Interesting..Good point, but was the squirter broken off?I highly doubt the piston skirt would crack before the squirter.Now the skirt could have come in contact with the crank shaft, and cracked as a result.We had one OEM piston due something similar due to a bent rod.The rod bent and shortened the clearance on one end and caused it to whack the crank shaft,which produced a god aweful "tapping" noise..

 

IIRC, all of his oil squirters were intact. KTaylor is a customer of mine.
Also, I've seen pistons sheer the squirters right off, with barely a nic on the piston. The squirters are very brittle, and snap off with very little force.

 

As the photo clearly shows no cut out on the piston, then the piston skirt has been machined shorter to allow for clearance.

Conclusion: Big **** (HP), Short skirt, Large crack.
Those sort of girls will always let you down

 

LOL..very true.

When the pistons are machined, the skirt isnt cut shorter, it's just tapered another 30-40 thou in order to clear the squirter. I can't tell in that picture.