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chinese gt2871 or s15bb t28 for begi kit

 
Old 10-04-2012, 10:28 PM
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Default chinese gt2871 or s15bb t28 for begi kit

hi guys, im about to buy a used begi-s kit that has a busted chinese turbo. would you guys choose the chinese journal bearing gt2871 or a used s15 bb t28? currently have a td04, greddy emanage, 2.5 exhaust and 330cc injectors. plan is 8psi max.
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Old 10-04-2012, 10:43 PM
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Chinese 2871 sounds a bit overkill for 8psi. BB T28 sounds like it would be better for this PSI range. What are your plans for the car? Street/autox I'd do T28. Track toy? 2871.

but WTF do I know, I'm a supercharger guy.
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Old 10-05-2012, 03:53 AM
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OEM S15 bb turbo will not go wrong, it is effectively Garrett 2560

Chineses turbo depends on your luck. Some have great results while others failed badly. I have been these and done that.

Do a search in this forum and you will know why.
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Old 10-05-2012, 05:37 AM
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from reading up it seems the chinese ones are ok if they are journal bearing and have a restrictor. the car will see the occasional autoX which sadly aren't that common in Australia.
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Old 10-05-2012, 01:17 PM
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OEM Garrett vs shitty Chinese? Seems like a pretty easy choice to me.
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Old 10-05-2012, 01:18 PM
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Chinese is the logical choice of course
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Old 10-05-2012, 06:09 PM
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Originally Posted by 18psi View Post
Chinese is the logical choice of course
A brand new Chinese will be cheaper than a used garret. I vote for china.
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Old 10-05-2012, 06:34 PM
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Originally Posted by vrmmmpshhh View Post
plan is low boost
then you want the t28.
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Old 10-05-2012, 08:41 PM
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You could always try: ISIS T25/T28 Replacement Turbo

The Nissan guys really seem to like them
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Old 10-06-2012, 12:33 AM
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Originally Posted by EO2K View Post
You could always try: ISIS T25/T28 Replacement Turbo

The Nissan guys really seem to like them
Don't mean to jack this thread or anything but what are these chinese turbos I keep hearing about and what site can I use to look at them?
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Old 10-06-2012, 01:36 AM
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I think the above Isis qualifies as a churbo. Look up CXRacing on eBay, I think they sell them too. Do the research though, the flanges are NOT direct bolt-it for Garrett on some of the units
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Old 10-06-2012, 02:27 AM
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What year car? If it is a 1.6 I say 2554 or 2854 for low boost or what is it about what you have that you don't like?
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Old 10-06-2012, 03:27 AM
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You could always try: ISIS T25/T28 Replacement Turbo

The Nissan guys really seem to like them
Seen some good power come out of these.


OP S15 turbo had a S15 turbo on 7 psi was pretty fun nothing too crazy but it moved.
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Old 10-06-2012, 07:20 AM
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im using a td04-9b which is a very small turbo. it spools very late at 4000rpm so not the greatest for the street. used garrett turbos are pretty cheap with early model sr20 t28 going for the $200 mark. the td04 is also very restrictive at 5500rpm the engine sounds horrible.
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Old 10-06-2012, 09:24 AM
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Originally Posted by vrmmmpshhh View Post
im using a td04-9b which is a very small turbo. it spools very late at 4000rpm so not the greatest for the street. used garrett turbos are pretty cheap with early model sr20 t28 going for the $200 mark. the td04 is also very restrictive at 5500rpm the engine sounds horrible.
Which gear are you talking about in relation to 4000 rpm spool? 1st?
Such a small turbo should spool at 2000 rpm in 3rd. There must be something amiss with your wastegate or blow/recirc valve?
IMO the td04-13t is a much better option than the 9b. Even at 7psi I have trouble with traction.
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Old 10-06-2012, 09:47 AM
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unfortunately the td04-9b came in the kit and the flanges are different so i cant upgrade to the 13 or 15 varients. its easier just going to the garrett turbos which is what i am doing with this begi-s kit im about to buy.

maybe there is something wrong with my current setup, it wont boost past 5-6psi no matter how i set the boost controller. I have no bov too. it builds up boost at 4000rpm no matter what gear im in.
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Old 10-10-2012, 05:56 PM
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My china turbo lasted less than 1000.. spend the money buy quality.
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Old 10-10-2012, 09:24 PM
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ive decided to rebuild the redtop sr20 t25g i've had lying around. the guy who was selling me the begi-s kit pulled out so i will make an adapter to mount the garrett to my td04 manifold.
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Old 10-11-2012, 01:35 AM
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I was unaware there were rebuild kits for the ball bearing Garrett turbos...
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Old 10-11-2012, 03:04 AM
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the red top sr20 t25g from the 180sx and s13 is journal bearing...i dont think they went to ball bearing till the very late s14 but definitely s15.
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