theconrodkid
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| posted on 5/3/11 at 07:09 PM |
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turbo rebuild
anyone done it?did it work and where you get the bits?
it,s a Garrett GT1752 btw
who cares who wins
pass the pork pies
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locoR1
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| posted on 5/3/11 at 07:47 PM |
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Had a go with my first turbo got the rebuild kit from ebay but it still smoked even though everything looked ok 
If you do have a go make sure you mark the shaft and inlet impeller so it goes back in the same position other wise it will be out of balance.
 
Description
Check out my CB500T Cafe Racer build diary
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ashg
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| posted on 5/3/11 at 07:48 PM |
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I have thought about doing it a few times the issue of how to balance the shaft has always stopped me. would be interested to know how others have
done it.
Anything With Tits or Wheels Will cost you MONEY!!
Haynes Roadster (Finished)
Exocet (Finished & Sold)
New Project (Started)
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MikeRJ
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| posted on 5/3/11 at 07:55 PM |
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I rebuilt the T3 turbo on my Fiat Coupe 20VT, and fitted a 360 degree thrust bearing. I made a jig to ensure the compressor wheel was fitted back in
exactly the same place on the shaft and had no problems with it at all. Running 1.1 bar (overboost to 1.2) the car is still using virtually no oil
after nearly 40k miles (with 110k miles on the rest of the engine).
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marcjagman
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| posted on 5/3/11 at 08:18 PM |
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Used to recon turbos many years ago at FastLine turbos in Batley. Quite easy to do but easier to cock up. The compressor wheels MUST go back in
exactly the same position they came of or it will be out of balance and not work very well. Fit 360 bearings where possible will make it more reliable
and extend the life a lot. Assemble using ZX1 or similar if possible, make sure you prime the oilways before fitting to engine.
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coyoteboy
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| posted on 5/3/11 at 09:23 PM |
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Often wondered about this myself, suppose it also depends on the turbo too. I've heard a few horror stories of people ending up with ingested
blades from messing it up even though they matchmarked the turbines/shaft etc. You'd have to be sure it went fully home into exactly the same
spot, and I suspect turbos with higher mass would be more likely to fail due to the imbalances putting more stress on similarly sized bearings.
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theconrodkid
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| posted on 6/3/11 at 12:01 PM |
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cheers peeps..in at the deep end again
who cares who wins
pass the pork pies
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