"new 360 thrust system for ct26"

[rwdanthony]

would like to get some input from the experts here. first off i emailed the seller of the "t67r" upgrade for the message and it went like this.

http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&item=110699865074#ht_1319wt_909

me: "ive read about even the 60-1 trim upgrade for the ct26 is not recommended cause its such a big wheel on the small ct-26 shaft, and that you can end up well, with a blown up turbo.

whats the inducer/exducer size of the compressor wheel on this?"

seller: "That is a misconception. Actually the shaft on a ct26 is already larger than the shaft on a 60-1. Generally the cause of failure on those upgrades is the thrust system cannot handle the abuse of the larger wheels. However we have an upgraded thrust system which uses a 360 degree thrust and solves that problem. This wheel is 67mm inducer and 84mm exducer. I admit this is very large upgrade and is not meant for the casual enthusiast."

me: "so what is this 360 trust system your talking about? is it in another listing? i just rebuilt a 60 trim and im just not quiet sure what you mean."

seller: "Yes the 360 degree thrust is an upgrade and will make the ct26 much more durable see ebay item # 400072758870"

http://cgi.ebay.com/ebaymotors/4000..._nkw=400072758870&_fvi=1&_rdc=1#ht_1156wt_909

"Super Heavy Duty 360 Deg. Racing thrust bearing kit for all Toyota CT 26 turbochargers. This kit increases the load capacity to double that of the stock setup and is an absolute necessity for all high boost high performance applications. This new set-up is only available from Turbos_R_Us & are machined from solid billet, high impact, wear resistant heat treated die bronze. The included precision machined stack-up components are made from tool steel and are virtually wear proof as well. When rebuilding your turbocharger, why not do yourself a big favor? Upgrade to this setup and stop future problems before they start. Correct the end play in your high-mileage turbo, extend it's life and durability as well."

for those who dont know, this is how the normal ct thrust bearing lookings like:

and the proclaimed 360 degree thrust upgrade:

what do you guys think? looks promising? unnecessary? ebay trash would be wonderful if someone actually had these in hand and had first hand experience with them. i wouldnt suggest the 67r even if this 360 degree upgrade is worth it. but what about with the use of the 57 trim and or 60 trim, you guys think it will do any justice?

 

[hvyman]

Doesnt matter the big as wheel is not going to be balened properly with the same size exhaust wheel.

And actually the ct shaft is bigger than most big turbos. Its the fact that the bigger compressor wheel with the smaller turbine wheel throws the balence off.

 

[rwdanthony]

so even with a balanced chra after a rebuild its still going to be off balance enough to ruin the turbo?

basically what im asking for myself on this post is, do you guys think the life on a 60 trim with this 360 bearing will outlast a 60 trim on regular bearings, assuming both used exactly the same way.

 

[hvyman]

Its not the bearings. Its the fact you have this big heavy wheel on one side and a little light wheel on the other side.

 

[Another MkIII]

Its not the bearings. Its the fact you have this big heavy wheel on one side and a little light wheel on the other side.

Is that kind of like a dynamic imbalance on a tire? Or is it completely different?
-AM3

 

[hvyman]

Ya. If you have one side that is good but one side that is off(sometimes a little sometimes a lot) you will notice the difference. With tires usually one side is more off then other as well. Esp with stick on weights and lazy tire guys that dont clean the area good before sticking them on.

I always use dynamic balance when doing tires.

 

[Poodles]

Also comes from the large wheel in the small compressor housing causing surge (real compressor surge)

 

[hvyman]

And it will still run out of breath at 5500rpm.

 

[mecevans]

I think it would be beneficial. If a wheel has a slight imbalence, more give will cause it to occilate and fatigue quicker.if the bearings can handle that i would think.it would last longer.

---------- Post added at 02:43 AM ---------- Previous post was at 02:35 AM ----------

And it will still run out of breath at 5500rpm.

Even for an upgraded CT such as the 57 trim?

 

[hvyman]

The wheels size are supposed to be within 10% of each other. a 67mm wheel vs stock turbine wheel is well over that.

And yes even for a 57trim. Right at about 5500 you feel it run out of breath. The rear housing isnt big enough.

 

[TurboStreetCar]

Whats the point of a huge compressor wheel with a stock exhaust housing?

In order to get more in, you have to get more out.

 

[hvyman]

Its so a chinese ebay seller can make a profit. Its bolts on so it makes it look appealing. I cant see the 67 lasting longer than a week and youd prolly just bounce off fc the whole time.

 

[MDCmotorsports]

Some good points made here folks. Stuffing 100lbs of shit into a 10lb sack doesn't work too well.

As for the 360 thrust bearing upgrade, they have been doing this for a while over in Europe. This is a band-aid on a huge problem....