gsnutter
Velociraptor
Posts: 27 
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Post by gsnutter on Feb 28, 2014 9:51:10 GMT
Hi all I've been looking at the Chinese TD05-16G turbos. Does anyone know if you can retrofit the plain journal bearings with roller bearings. If so where can I get them? It's going to be installed on my gs thou.
Any help will be greatly appreciated
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Post by katana on Feb 28, 2014 19:26:54 GMT
Fairly sure BB's are not a retrofit possibility - I know you can't with Garrett's - The centre cartridge machining is completely different.
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gsnutter
Velociraptor
Posts: 27
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Post by gsnutter on Mar 1, 2014 8:51:38 GMT
I've now been told a turbo only needs about 15-20psi not sure if this is true? Could I get this pressure with the oil pump mods mentioned in other threads?
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Post by katana on Mar 1, 2014 11:09:13 GMT
That would be a low end estimate for a plain bearing turbo, ideally aim for 30psi. But plenty of roller bearing'd GSX / KZ engines have used 'normal' turbos. Local modification to the oil supply can bump up the pressure sufficient for reliable use so don't despair!
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