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M62 question. Сoating of inner roots-shaft :)

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Old Feb 15, 2011 | 04:28 PM
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M62 question. Сoating of inner roots-shaft :)

Does roots-shafts in charger having a some coating (covering) layer on surface?
We rebuilded M62 charger ... but max boost is 5 psi after it.

Could anybody help? Or this coating is a dust on it? )))
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Old Feb 15, 2011 | 04:36 PM
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yes there is a coating on the rotors
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Old Feb 15, 2011 | 06:11 PM
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I assume you are asking about the rotors?

If so the coating on the rotors is an abratable coating.
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Old Feb 16, 2011 | 05:31 PM
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Originally Posted by 07BoostedG5
yes there is a coating on the rotors
Originally Posted by Staged07SS
I assume you are asking about the rotors? If so the coating on the rotors is an abratable coating.
abratable? abatable? i don't understand

So ... if it some rubbed out when broken ... can I renew it? Or I need new rotors?

Sry for my english
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Old Feb 16, 2011 | 05:52 PM
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Originally Posted by 727
abratable? abatable? i don't understand

So ... if it some rubbed out when broken ... can I renew it? Or I need new rotors?

Sry for my english
Your english is fine man.

You can have them recoated if they are in rough shape.
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Old Feb 16, 2011 | 06:07 PM
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did it boost fine before you rebuilt it
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Old Feb 16, 2011 | 06:11 PM
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You could take it all off and it will still build boost.. check your boost bypass canister
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Old Feb 17, 2011 | 12:53 PM
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Originally Posted by mrbelvedere
did it boost fine before you rebuilt it
nope. Bearings was tilted inside ... and max boost was 11 (on small pulley). And some scratched roundabout (lol i dont know how explain it).
Also it was scrached some corners on rotors.

Now we place stock pulley on M62. And 5 psi was max ... without air filter.

How renew coating on rotors? Or need new?


PS. Bearing was tilted because we using smallest pulley (2.6 or smallest). This is our fault.
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Old Feb 17, 2011 | 01:05 PM
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................. check the boost bypass..................
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Old Feb 17, 2011 | 01:09 PM
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From: NEPA
Originally Posted by 727
nope. Bearings was tilted inside ... and max boost was 11 (on small pulley). And some scratched roundabout (lol i dont know how explain it).
Also it was scrached some corners on rotors.

Now we place stock pulley on M62. And 5 psi was max ... without air filter.

How renew coating on rotors? Or need new?

PS. Bearing was tilted because we using smallest pulley (2.6 or smallest). This is our fault.
Can you snap a photo of the internals for us?

If the rotors have some minor scrapes or scratches they will be fine. You should never need to replace them unless they some how made contact with each other, and show evidence of severe damage.

If you want them recoated check Eaton's website, and see if they can help you out. I know there are also some places that rebuild & refurbish Eaton blowers. They may be able to help you out as well.

Originally Posted by 383_Stroker
................. check the boost bypass..................
^ This to.

Last edited by Staged07SS; Feb 17, 2011 at 01:10 PM. Reason: Automerged Doublepost
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Old Feb 17, 2011 | 01:31 PM
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even if the coating was gone it would still boost fine check the boost bypass soleniod and the canister
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Old Feb 17, 2011 | 01:37 PM
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From: NEPA
Originally Posted by mrbelvedere
even if the coating was gone it would still boost fine check the boost bypass soleniod and the canister
Correct.

In his first post he mentioned something about the abratable coating on the rotors. I was informing him on what he could do about it if it was infact in rough shape.
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Old Feb 17, 2011 | 01:48 PM
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and it was good advise along with 383 stroker but if it was that ruff id just remove the coating and blend the scratches in. you can lead them to water but you cant make them drink
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Old Feb 17, 2011 | 02:56 PM
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Originally Posted by 383_Stroker
You could take it all off and it will still build boost.. check your boost bypass canister
Originally Posted by 383_Stroker
................. check the boost bypass..................
I'll recheck it tomorrow

Thanks guys!

Try to makes photos of this ****
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Old Feb 17, 2011 | 03:25 PM
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Originally Posted by mrbelvedere
and it was good advise along with 383 stroker but if it was that ruff id just remove the coating and blend the scratches in. you can lead them to water but you cant make them drink
Agreed!

Originally Posted by 727
I'll recheck it tomorrow

Thanks guys!

Try to makes photos of this ****
Sounds good

Last edited by Staged07SS; Feb 17, 2011 at 03:25 PM. Reason: Automerged Doublepost
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Old Mar 10, 2011 | 12:55 PM
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Taked photos today.

About this black coating i'm speak.



We find out our problem of 5 psi boost - we misplaced roots inside ) (mixed up)

But question about inner coating of roots - unsolved its like black sands-toner Needed for rebuild! But i don't know were i can buy it

Please dont broke your eyes with my english D

Last edited by 727; Mar 10, 2011 at 01:18 PM.
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Old Mar 10, 2011 | 03:04 PM
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just strip the costing off you dont need it
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Old Mar 10, 2011 | 03:12 PM
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Eaton corrosion-resistant abradable coating 63 is an electrolytic ceramic material, such as the electrolytic titanium ceramic coating Alodine® marketed by Henkel KGaA

I have no idea when you can get the rotors recoated in Russia. You maybe able to find a place in Germany that can help you out. I would contact Eaton and see what they can tell you.
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Old Mar 10, 2011 | 09:26 PM
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5psi at what RPM?
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Old Mar 11, 2011 | 12:22 AM
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Originally Posted by chris88z24
5psi at what RPM?
At all .. and loud charger sound on it ))) We mix-up from places - and all was fine now.

Originally Posted by rnjmur
Eaton corrosion-resistant abradable coating 63 is an electrolytic ceramic material, such as the electrolytic titanium ceramic coating Alodine® marketed by Henkel KGaA
Many thanks to you
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Old Mar 11, 2011 | 06:18 PM
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Originally Posted by Zooomer
The M62 in the Cobalt does not have teflon on the rotors. It's more of a powder coat and doesn't flake off like the old blowers used to. It is considered abradable, meaning it's meant to 'wear in' As Eaton has tightened tolerances and used coatings the efficiency of the blowers has improved, especially at higher boost levels.
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