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20G turbocharger compressor Kit on EBAY !

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No it wont.

the 20g not only has a bigger compressor wheel but a bigger exhaust wheel as well if I remember correctly.
 
No where on that compressor housing does it MHI, making this a fake. More than likely its the same quality as the other knock offs on eBay. I wouldn't buy it, simply because you would be choking your engine with that tiny exhaust housing. And for the money you spend on that kit will get you a rebuilt 14B.
 
No it wont.

the 20g not only has a bigger compressor wheel but a bigger exhaust wheel as well if I remember correctly.

No, that is incorrect. The 20g uses the same TD05H exhaust wheel as the 14b does (well unless your talking about the larger TD06 or TD06H turbine wheel 20g) but the 20g does use the larger 7cm turbine housing vs the 6 cm 14b housing. Also that doesn't look like a std 20g compressor cover either, that looks like your standard 16g cover (think its actually the evoIII part # stamped on the cover).
 
No where on that compressor housing does it MHI, making this a fake. More than likely its the same quality as the other knock offs on eBay. I wouldn't buy it, simply because you would be choking your engine with that tiny exhaust housing. And for the money you spend on that kit will get you a rebuilt 14B.


Unless I'm forgetting, the MHI comp covers don't actually say MHI anywhere on them (well the 16g series don't, which that cover appears to be). That appears to be a MHI cover off an evoIII, to me.
 
well would it be a 20g with a small exh housing or what ? doesn't the 16g have the same exh housing as a 14b just a bigger comp wheel....... so would this make my turbo a 18g ? just woundering still....... does anybody have a link that tells the differences in all the mhi turbos. thanks !
 
No, that is incorrect. The 20g uses the same TD05H exhaust wheel as the 14b does (well unless your talking about the larger TD06 or TD06H turbine wheel 20g) but the 20g does use the larger 7cm turbine housing vs the 6 cm 14b housing. Also that doesn't look like a std 20g compressor cover either, that looks like your standard 16g cover (think its actually the evoIII part # stamped on the cover).

See thats what through me off that company also offered another 20g compressor wheel and housing that had the larger compressor housing (3" inlet) and stated that it would fit a TD05, TD06. Since I have the E16g(TD06) I wasn't sure if it would fit. For that price its not a bad upgrade. FP sells 20g wheels and housings for $410.
 
Is there any machining required to match a td06 compressor housing and 20g compressor wheel to a td05h turbine housing. I've heard of a few people running this type of hybrid 20g, but are the gains even worth it?
 
The 20g compressor wheel will bolt right on, but you have to get that "super back" backing plate. The 14b is flat where as the 16g/18g/20g is tapered to match the back of the wheel. The compressor housing will need to be bored out since the wheel is bigger, or just get a 20g compressor housing.
 
No where on that compressor housing does it MHI, making this a fake. More than likely its the same quality as the other knock offs on eBay.
It doesn't contain moving parts, so I'd have no problem buying either part as long as the wheel's properly balanced and ready for installation. It would be a good way to repair and upgrade a Big 16G that received damage to both the compressor wheel and compressor cover.

Certain things on eBay can be very good deals, but if you priced a new 20G compressor from Mitsubishi and had your existing compressor cover machined to accept the bigger wheel, you'd spend about the same money.
 
The 20g compressor wheel will bolt right on, but you have to get that "super back" backing plate. The 14b is flat where as the 16g/18g/20g is tapered to match the back of the wheel.

That's not the only difference. The backplate of the 20G compressor is way bigger than that of a 14B, so the center housing will also need to be machined.

You can see the difference in the size of the compressor wheel backplate between the 14B and Big 16G in this photo (20G and 16G compressors have the same diameter backplate):

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so if you have a 16g center section you can bolt the 20g compressor wheel right on with no machining?
 
Still have to send it out to get balanced, correct? changing the wheel changes the balance of the center section.
If you're absolutely anal about balance, maybe.....if not, you'll be just fine. All new compressor wheels SHOULD come balanced when new- which is why I rebuild my turbos using actual MHI parts from a reputable vendor rather than knockoff parts from eBay; but I would venture to guess the wheel would be balanced and ready for assembly when you buy it.

All MHI turbos come from the factory component-balanced, meaning the compressor and turbine are balanced serparately prior to assembly. The only turbos that absolutely require the entire CHRA to be balanced are ball-bearing units. Some journal-bearing Holset turbos come assembly-balanced; on those units the turbine shafts and compressor wheels come marked from the factory for easy reassembly.
 
Still have to send it out to get balanced, correct? changing the wheel changes the balance of the center section.

Correct, some people swear you don't have to balance a turbo, but anything i own that's spinning anywhere near 60K+ RPM's is going to be balanced. The increments of weight you remove to balance them is so little that when i was being tought to balance them out i ruined a turbine and compressor wheel by taking off WAY too much material in just a split second of grinding weight off them. The balancing machine is weird though, I don't even remember how to set it up anymore though. It's different for different turbo configs.

I've personally seen turbos put together un-balanced and live for years, but you won't catch me doing it.
 
I realize this is an old thread but has anyone actually tried one of these upgrade kits?
 
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