14b: can you swap out the compressor?
04-07-2008, 06:45 AM
#2
1.5 BAR
Join Date: Nov 2006
Posts: 1,453
Re: 14b: can you swap out the compressor?
You cannot pop it right in. I've heard people claim it can be done, but the bottom line is that it'll cost more than just buying a 16g. If it was just a matter of fitting a larger compressor wheel like a Garrett where you can just machine the compressor housing and compressor backplate then I'd say it wouldn't be too hard, but MHI turbos are different. The compressor wheel sits down in the bearing housing itself instead of on a plate like a Garrett, so you'd have to have the compressor housing and bearing housing machined. That may be doable, but the real catch is that the 14b compressor wheel is flat on the back whereas the 16g wheel is convex with a bowed back. That means you'd have to have the bearing housing machined not only wider, but deeper.
If it was possible you'd have to have a few hours of precision machining done which would be about $70/hr times 3 which is $210, then you'd need the 16g compressor wheel which is another at least $100 and that would put you in the $300+ range which is what a 16g goes for used but in good shape. That's without the re-balancing and new internals which would be another $150 at least. Add all that up for a turbo that's not even that great and you've spent a bunch of money on a pointless project. $300< for less than 100cfm is too much.
If it was possible you'd have to have a few hours of precision machining done which would be about $70/hr times 3 which is $210, then you'd need the 16g compressor wheel which is another at least $100 and that would put you in the $300+ range which is what a 16g goes for used but in good shape. That's without the re-balancing and new internals which would be another $150 at least. Add all that up for a turbo that's not even that great and you've spent a bunch of money on a pointless project. $300< for less than 100cfm is too much.
04-09-2008, 01:15 AM
#3
1.0 BAR
Join Date: Dec 2005
Posts: 206
Re: 14b: can you swap out the compressor?
Originally Posted by crx2211
You cannot pop it right in. I've heard people claim it can be done, but the bottom line is that it'll cost more than just buying a 16g. If it was just a matter of fitting a larger compressor wheel like a Garrett where you can just machine the compressor housing and compressor backplate then I'd say it wouldn't be too hard, but MHI turbos are different. The compressor wheel sits down in the bearing housing itself instead of on a plate like a Garrett, so you'd have to have the compressor housing and bearing housing machined. That may be doable, but the real catch is that the 14b compressor wheel is flat on the back whereas the 16g wheel is convex with a bowed back. That means you'd have to have the bearing housing machined not only wider, but deeper.
If it was possible you'd have to have a few hours of precision machining done which would be about $70/hr times 3 which is $210, then you'd need the 16g compressor wheel which is another at least $100 and that would put you in the $300+ range which is what a 16g goes for used but in good shape. That's without the re-balancing and new internals which would be another $150 at least. Add all that up for a turbo that's not even that great and you've spent a bunch of money on a pointless project. $300< for less than 100cfm is too much.
If it was possible you'd have to have a few hours of precision machining done which would be about $70/hr times 3 which is $210, then you'd need the 16g compressor wheel which is another at least $100 and that would put you in the $300+ range which is what a 16g goes for used but in good shape. That's without the re-balancing and new internals which would be another $150 at least. Add all that up for a turbo that's not even that great and you've spent a bunch of money on a pointless project. $300< for less than 100cfm is too much.
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