david_594
Top Post Dawg
So anyone found the differences between these 2 turbos? They are both vnt17's, but slightly different at the same time.
I was trying to find out more about my 17 and came across a finnish wiki with a little bit of info and turbine sizes http://www.autowiki.fi/index.php/VAG_dieselturbot
VNT-15 and
GT1749V malleissa 33,5 mm intake
and
36,5 mm flight
Garrett GT1749VA, 35 mm intake
and
36,5 mm flight
Garrett GT1749VB, 37 mm intake
and
38,3 mm flight
So the VA has a slighly bigger wheel on the compressor side as compared to the vnt15. The VB has both a bigger compressor and exhaust wheel so it should flow better on the exhaust side compared to the VA? The VA should spool a little faster than the VB though correct?
Anyone have any thoughts on this or more info?
I was trying to find out more about my 17 and came across a finnish wiki with a little bit of info and turbine sizes http://www.autowiki.fi/index.php/VAG_dieselturbot
VNT-15 and
![](/proxy.php?image=http%3A%2F%2Fwww4.tranexp.com%3A2000%2Fimages%2Fstr.gif&hash=9c2cb9dda9e5475a5fb82a68b888661b)
![](/proxy.php?image=http%3A%2F%2Fwww4.tranexp.com%3A2000%2Fimages%2Fstr.gif&hash=9c2cb9dda9e5475a5fb82a68b888661b)
![](/proxy.php?image=http%3A%2F%2Fwww4.tranexp.com%3A2000%2Fimages%2Fstr.gif&hash=9c2cb9dda9e5475a5fb82a68b888661b)
![](/proxy.php?image=http%3A%2F%2Fwww4.tranexp.com%3A2000%2Fimages%2Fstr.gif&hash=9c2cb9dda9e5475a5fb82a68b888661b)
Garrett GT1749VA, 35 mm intake
![](/proxy.php?image=http%3A%2F%2Fwww4.tranexp.com%3A2000%2Fimages%2Fstr.gif&hash=9c2cb9dda9e5475a5fb82a68b888661b)
![](/proxy.php?image=http%3A%2F%2Fwww4.tranexp.com%3A2000%2Fimages%2Fstr.gif&hash=9c2cb9dda9e5475a5fb82a68b888661b)
![](/proxy.php?image=http%3A%2F%2Fwww4.tranexp.com%3A2000%2Fimages%2Fstr.gif&hash=9c2cb9dda9e5475a5fb82a68b888661b)
Garrett GT1749VB, 37 mm intake
![](/proxy.php?image=http%3A%2F%2Fwww4.tranexp.com%3A2000%2Fimages%2Fstr.gif&hash=9c2cb9dda9e5475a5fb82a68b888661b)
![](/proxy.php?image=http%3A%2F%2Fwww4.tranexp.com%3A2000%2Fimages%2Fstr.gif&hash=9c2cb9dda9e5475a5fb82a68b888661b)
![](/proxy.php?image=http%3A%2F%2Fwww4.tranexp.com%3A2000%2Fimages%2Fstr.gif&hash=9c2cb9dda9e5475a5fb82a68b888661b)
So the VA has a slighly bigger wheel on the compressor side as compared to the vnt15. The VB has both a bigger compressor and exhaust wheel so it should flow better on the exhaust side compared to the VA? The VA should spool a little faster than the VB though correct?
Anyone have any thoughts on this or more info?