I know that is here some threads about this topic , but I really want to know eagle rods failure at what power levels.
I´m in 600whp now on DD ,but thinking in get bigger turbos....

 

I think you could go 200hp per rod.. 700 should be no problem

 

Failed for str8dum1 at 900 whp.

 

Go "Manley Turbo Tuff H- Beams" if you want to make even more power without worries.

My .02

Good luck, sweet ride

 

This is way too much....... DD or DJ ??? At those levels the difference is around 150whp.

 

He failed 898whp while cruising (out of boost) uphill. The numbers were on dd.

Don't ask the forum this question, ask your engine builder this question. A lot more is in building the engine than what rods/pistons you use. Fwiw i have eagles in my car and i regret the decision. I wish now i had gone with billet steels by crower or carillos or something. Hal @ dynosty has eagles in his car. They aren't terrible, but you'll have limits. Most tuners/builders wouldn't reccomend running them over 600whp dd. Over that power level they are ticking time bombs really.

 

I dont think I'd bother tearing apart the engine for 100whp gain. You're gonna need race gas or E85 to run 700whp, so that will keep your knock in check so it should be relatively safe

More interesting question is how are you planning to go to bigger turbos? bigger wheels in the APS housing, or chopping up the APS manifolds and going with different turbos?

 

They are RATED at 1500 chp in 6 cylinder applications per the manufacturer! 900 chp in 4 cyl applications! Clearly something is amiss. Could just have been a single weak rod?

 

u should be fine with eagles for 700-750 keep under that and ur good,Manley h-beam is only a 30-50 $$ differance they are better than eagles my builder .02,i had eagles and he let me know.

 

I will try to fit a bigger turbos with the APS manifold , I´m thinking in the GT2871R with gt28r style compressor housing.....they are rated to 460hp each.

 

My favorite combo is CP pistons with Manley Turbo Tuff Rods. Never had a failure with that combo.

 

Turbo tuffs are good but manleys and eagles have always been really comperable. A local builder told me the manleys are usually in better spec than the eagles. Eagles have a tendancy to be out of round on the big end still.

The difference between carillos and eagles isn't quite night and day, but it's easy to see which one would hold more power. This is a pic from dynosty comparing the two, im pretty sure the eagle rod is actually mine lol as that was exactly before my engine was done. Could be wrong but the point is still the same:
http://www.dynosty.com/2012/02/carrillo-rods-vs-eagle-rods/
And rods are inherintly weaker in our vq35 because of the rod stroke angle which causes for more extreme loads (vs like a 2j). We have a similar rod stroke ratio to a 4g63 so it looks like you can hold some good power in theory, BUT how power comes in/torque spiking on a single turbo 2 liter and how it comes on in a 900hp tt 3.5liter is pretty different.

 

how different would be good to know

 

I'm at 652 (plus a little extra since I raised boost another few lbs after the dyno session) on eagle rods and I'm not concerned about it. I wouldn't use them for a 1000+ build though.

 

just looking at them you can see they are substantially beefier, they have a higher quality on the machine work and better chamfers, the carillo will undoubtedly be a better forging process and base material quality and i also believe the carillos are shot peened and eagle are not from the factory which will relieve stress risers.

 

sorry i meant a 2.0 from a 3.5 900hp

 

torque generated will come on much quicker and harder on the 3.5L however its not just torque its also speed and the 2.0 is going to be spinning higher. theoretically speaking 900 hp in either one will produce the same stresses if they had the same number of cylinders. however since the 2.0 is a 4 it is seeing much higher stresses then the 3.5L