I believe I just broke my pi billet shaft. Is aermet worth the money ?

SCHMITTY

SCHMITTY

Not enough time
Looking at a sonnax or tcs shaft but found a tcs 2 piece aermet for 825$

I have a tcs output. Just rolling into boost with the tc already locked and boom song with some other expensive noises :( The converter feels more difficult to turn with a screw driver, motor sounded fine.
 
Do you still have park or not? That’s quite something if it broke while just rolling into it. It’s been a few years since I’ve looked into this much but from what I remember aermet is “stronger” but more brittle and so they tend to break while a billet shaft has a little more give and will generally twist rather than snapping. I’m not sure if this theory still holds true though.
 
I still have park, but the output is fine. While in park I hear a lot of noise. I put a screw driver to my flex plate and it's harder to turn than any other converters/flexplates I've turned that way. May be it was a planetary, I sure hope it is. I have a steel front Planet and a bd flexplate.
 
You may have broken the 2nd gear band, or something related to it. Reason I say this is you mentioned it was making noise in park, the broken pieces of the band were hitting the park rod.
 
jasonc said:
You may have broken the 2nd gear band, or something related to it. Reason I say this is you mentioned it was making noise in park, the broken pieces of the band were hitting the park rod.
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If he can't move the truck, while in gear then I am betting he has more issues than a broken second gear band.


Any idea what gear you were in when things let go?
 
When my band let go shifting into 3rd it sure felt like it broke a shaft, I just shut it off. I've broken my share of inputs and stripped a hub. The racket it made when I put it in park is what reminds me, it sounded so bad I didn't even think of trying to put back in first to see of it would move.
 
I talked to Firepunk recently about the Aremet input shafts, and I was told they dont use them anymore. They use either a standard billet TCS or a fat input setup.

I would say it has probably been twisted and fatigued for a while then just finally let go. These shafts do have a lifespand at certain power levels.
 
Aermet shafts wear into the clutch retainer over time. Upgrading to a Billet clutch retainer solves this issue which I did and experienced. Im guessing Firepunk went away from them due to that issue. Why sell a trans with an aermet shaft if it’s going to wear through a clutch retainer when the cost to sell it with a stronger fat shaft for the same cost as an aermet with a Billet clutch retainer. I was going to upgrade to a Fat shaft when I bought my quad disc and sell my aermet but Phil said to wait cause he said an aermet fat shaft is coming.
 
I was in 4th about 55 mph , converter was already locked. It went boom and then sounded like a fork in the garbage disposal. I lost power and it continued to make noise as I put it in neutral and coasted off the highway. When I was stoppped I put it back into gear and it was slipping bad and making noise. I thought it was the tcase at first.
 
Here is where it broke. I'd say it was a good spot. I have a spare pump, drum looked fine, my converter builder cutting and cleaning for 200$. Clutch packs looked good also.

Looking at a tcs Arizona shaft, swapping some gpz frictions , floor shifter and vb mod for manual 2nd, trading out the 5x.016s for some 18s. Also have a zex bottle , 3an lines and a cheater solenoid to try out.

Hopefully I can make it to the track this year and hit 11s.
 

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