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Old 04-09-2010, 01:02 PM   #21
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Did you get any headwork done when you built you motor???
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Old 04-09-2010, 01:49 PM   #22
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Quote:
Originally Posted by hustler View Post
in for 12psi at 3500rpm. You're going to love Tim's parts...it will build boost like a supercharger below 4k, but make 2x the torque.
Remember he does have a 1.6.

So gay.
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Old 04-09-2010, 01:53 PM   #23
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^^^

I haz 1.8
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Old 04-09-2010, 02:19 PM   #24
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Did you get any headwork done when you built you motor???
No
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Old 04-09-2010, 02:44 PM   #25
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your car has come a long way. Btw, remember who on ebay you bought that turbo from?
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I don't, but if you look up my thread with the measurements it might be there.


Found it-

http://cgi.ebay.com/ebaymotors/ws/eB...%3D1&viewitem=

http://www.speedyracer.com/servlet/StoreFront
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Old 04-09-2010, 05:00 PM   #26
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So as I suspected I broke my turbo. When I took it apart to clock it for the new mani I had to band it to get it out of the turbine housing. When it came out it came out an an angle and broke a piece off of 1 blade and bent several others. I straightened them out as much as possible before I put it back together but they aren't perfect. I also think that in the process I damaged the rear oil seal cause its leaking oil into the exhaust. As a result of all that my spool is horrendous. Not even 10 psi by 4000 rpms. So I'm going to order another one from the same people. I was very happy with how the turbo performed before I messed it up so I'm going to stick with it.

My question for you fellas is, should I go with another .64 turbine or step up to .86? I wish I knew what my new mani and dp did for spool but with the turbo the way it is I don't.

I wish I had the cash for a name brand BB turbo but with just buying new tires and the mani/dp my Miata funds are low.
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Old 04-09-2010, 06:05 PM   #27
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Quote:
Originally Posted by levnubhin View Post
So as I suspected I broke my turbo. When I took it apart to clock it for the new mani I had to band it to get it out of the turbine housing. When it came out it came out an an angle and broke a piece off of 1 blade and bent several others. I straightened them out as much as possible before I put it back together but they aren't perfect. I also think that in the process I damaged the rear oil seal cause its leaking oil into the exhaust. As a result of all that my spool is horrendous. Not even 10 psi by 4000 rpms. So I'm going to order another one from the same people. I was very happy with how the turbo performed before I messed it up so I'm going to stick with it.

My question for you fellas is, should I go with another .64 turbine or step up to .86? I wish I knew what my new mani and dp did for spool but with the turbo the way it is I don't.

I wish I had the cash for a name brand BB turbo but with just buying new tires and the mani/dp my Miata funds are low.
Shitty :(

I did almost the same thing to my turbo except I dont think I bent any fins, just took a chunk out of a tip of one of them (turbine side as well). Of course my oil seals are fine, though.

Talk to those people about parts. If you can get a new turbine wheel and shaft, the rebuild kit for those is cheap and easy to do.
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Old 04-09-2010, 06:08 PM   #28
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Shitty :(

I did almost the same thing to my turbo except I dont think I bent any fins, just took a chunk out of a tip of one of them (turbine side as well). Of course my oil seals are fine, though.

Talk to those people about parts. If you can get a new turbine wheel and shaft, the rebuild kit for those is cheap and easy to do.

I already talked to them and they said that they don't have a rebuild kit for this turbo.
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Old 04-09-2010, 06:12 PM   #29
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go with the 0.86 hotside.

you already have a 0.64 hotside that you can use if you dont like the 0.86 one.
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Old 04-09-2010, 06:54 PM   #30
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That's what i was thinking, the turbine wheels are the same either way, correct?
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Old 04-09-2010, 06:54 PM   #31
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go with the 0.86 hotside.

you already have a 0.64 hotside that you can use if you dont like the 0.86 one.

That's what i was thinking, the turbine wheels are the same either way, correct?
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Old 04-09-2010, 07:57 PM   #32
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they should be if it is the same turbo.

i would confirm wheel measurements with the seller to make sure though.
on a side note, 2860 and 2871 share the same exhaust housing, but the 2871 uses a t4 compressor wheel and housing, correct?
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Old 04-09-2010, 08:16 PM   #33
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Originally Posted by levnubhin View Post
That's what i was thinking, the turbine wheels are the same either way, correct?
Correct.

Plus once you start passing up around the 300whp mark, the .63ar starts to become a bottleneck. Not that you cant make the power, but you could sure as **** make it a lot easier with the larger turbine housing.
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Old 04-09-2010, 10:12 PM   #34
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Yea I checked the specs and both turbine wheels are the same size so I'm gonna get the .86.
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Old 04-13-2010, 03:45 PM   #35
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I ordered a new turbo yesterday, ended up getting the same size.
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Old 04-13-2010, 05:51 PM   #36
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*****
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Old 04-13-2010, 05:52 PM   #37
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*****
Haha
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Old 04-17-2010, 11:16 PM   #38
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New turbo is in. Monday I will drive it, take some logs, get the tires on and get an alignment.

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Old 04-20-2010, 05:48 PM   #39
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nevermind, found answer. Nice project.
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Old 04-20-2010, 09:41 PM   #40
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did you get your tires on today?
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