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The mkiv Supra Owners Club

Manifold/turbo question


Chris Bailey
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I am EXTREMELY reluctant to fit rebuilt turbos, even new ones are a nightmare as most sellers, Garrett GT series included, do not warrant them for none stock usage. I have had some costly dramas with rebuilt units. I now only fit turbos from registered Garrett, KKK, or other dealers, there are SO many fakes on Ebay.

 

Chris, isn't the TO4Z a ball bearing tirbo? If it is there should be almost zero radial or axial play in the shaft. If you send it to a turbo rebuilder I can almost guarantee they tell you it's knackered. In 25 years I have never had one come back with a report saying "it's fine" ;) One day I'll make a new one oily and send that in and see what happens

 

Likewise I have never had a rebuilt turbo fail and it be bad machining, bad assembly, bad balancing, whatever. It's *ALWAYS* end user error, dirty oil, over boosting, blah blah. If a rebuilt unit fails it's not worth the carriage to send it back IMHO. Bitter? Me? :)

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