In case anyone cares about emotorsusa.com china GT2870
#1
In case anyone cares about emotorsusa.com china GT2870
Claimed Turbo specs:
Ideal for smaller displacement engines making up to 420hp
Compressor Wheel
0.60 A/R Cold Side
Ind: 54.00 mm
Exd: 70 mm
Trim: 60
Turbiner Wheel
.64 A/R
Garrett 4 Bolt T25 Flange
Ind: 52.90 mm
Exd: 45.47 mm
Rough estimate actual turbo specs measured with crappy plastic caliper:
Compressor
Ind53.1mm
Exd 69.7mm
exhaust
Ind 51.7mm
Exd 45.7mm
I have no idea what this means, but I guess it means it is close to a 2870 as claimed. Good Times!
Ideal for smaller displacement engines making up to 420hp
Compressor Wheel
0.60 A/R Cold Side
Ind: 54.00 mm
Exd: 70 mm
Trim: 60
Turbiner Wheel
.64 A/R
Garrett 4 Bolt T25 Flange
Ind: 52.90 mm
Exd: 45.47 mm
Rough estimate actual turbo specs measured with crappy plastic caliper:
Compressor
Ind53.1mm
Exd 69.7mm
exhaust
Ind 51.7mm
Exd 45.7mm
I have no idea what this means, but I guess it means it is close to a 2870 as claimed. Good Times!
#4
I just picked up this turbo as well. is yours the ball bearing or journal bearing version?
and if it is a journal bearing one did it come out of the box with shaft play?
I wrote back to the seller about my disappointment with the shaft play in mine and they responded that since it is journal bearing it comes new with some shaft play.
cheap turbo delivered already broken?
and if it is a journal bearing one did it come out of the box with shaft play?
I wrote back to the seller about my disappointment with the shaft play in mine and they responded that since it is journal bearing it comes new with some shaft play.
cheap turbo delivered already broken?
#6
I just picked up this turbo as well. is yours the ball bearing or journal bearing version?
and if it is a journal bearing one did it come out of the box with shaft play?
I wrote back to the seller about my disappointment with the shaft play in mine and they responded that since it is journal bearing it comes new with some shaft play.
cheap turbo delivered already broken?
and if it is a journal bearing one did it come out of the box with shaft play?
I wrote back to the seller about my disappointment with the shaft play in mine and they responded that since it is journal bearing it comes new with some shaft play.
cheap turbo delivered already broken?
It had NO in/out shaft play. EmotorsUSA has a 1yr (full relacement) warranty, which is better than most china turbo manufacturers. Of course, if ir fails and nukes your motor then :(
Last edited by miatauser884; 03-12-2010 at 09:53 AM.
#9
Mine came with a little axial shaft play (journal bearing) You have to press pretty firmly to get it to move. It made sense that the play will subside when oil fills the turbo. I'm not sure of the fluid properties of oil, but I'm sure it's not very compressable. Which would mean that when it fills the air voids under pressure it will act like a viscous solid.
It had NO in out shaft play. EmotorsUSA has a 1yr (full relacement) warranty, which is better than most china turbo manufacturers. Of course, if ir fails and nukes your motor then :(
It had NO in out shaft play. EmotorsUSA has a 1yr (full relacement) warranty, which is better than most china turbo manufacturers. Of course, if ir fails and nukes your motor then :(
Axial is bad, but a tiny bit on a unit with 0 oil does make sense. A bit of radial play is OK and more or less normal.
#12
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#16
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keep in mind this is a real deal garrett 2876 and is ball bearing, so i bet both of those are worth some improvements over the chinacharger.... oh and the VVT is working to improve things as well...
4th gear, 2001 with VVT enabled and run by the factory ECU (sorta):
4th gear, 2001 with VVT enabled and run by the factory ECU (sorta):
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