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Old 05-09-2009, 04:22 PM   #61
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Originally Posted by Ivan Dickson View Post
have you tried novarossi pipes and header?
Yes have tried 2601 and 2630 with med and long headers but always went back to the mugen pipe for better all round performance much better bottom end more punch out of corners.
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Old 05-10-2009, 08:37 AM   #62
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thanks for the advice,
will attach HEC and 2630 on, will see the response next two weeks after break in.
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Old 05-12-2009, 09:07 AM   #63
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hi all,
from what i've seen, OS and picco here was really strong. im not sure about now just curious if i should be getting one of the XZ or the TZ spec2? from what i read here, TZ last long while the XZ is still a question.
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Old 05-13-2009, 09:26 PM   #64
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I am going to get a new motor but deciding between the x2 or the picco JL tuned?? any advice? Thanks
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Old 05-15-2009, 03:13 PM   #65
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for me, the xz easy tuning

btw, want to ask if the bearing on normal 12TZ can be used with 12tz spec2?
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Old 05-15-2009, 05:19 PM   #66
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for me, the xz easy tuning

btw, want to ask if the bearing on normal 12TZ can be used with 12tz spec2?
The bearing sizes are the same.

Internal bearing in the spec 2 was ceramic
same size as tz and spec 1
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Old 05-21-2009, 06:44 PM   #67
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i.m loojking at a new engine what is the new xz like to the sirioxxx and the likes
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Old 05-31-2009, 05:58 PM   #68
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i.m loojking at a new engine what is the new xz like to the sirioxxx and the likes

it is competitive, with the right gearing should give you no problems
beware thsi engine sits 1mm higher than similar
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Old 06-10-2009, 11:13 AM   #69
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How Os 12XZ performance compare to Speed XZ.I am using this engine for race.

I will buy Os 12xz not speed.I think it is better than Os tz - Top speed and torque.
Am ı wrong ?

Is xz easy to tuned ?

Thank you for answers.
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Old 06-10-2009, 12:35 PM   #70
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how much faster is the xz speed then the stock TZ? and is it faster then a evo3 red dot?
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Old 06-16-2009, 12:49 PM   #71
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i race os speed xz with picco jl tuned, evo4 edo mod and its almost equal in performance. stock tz 3port was not that far off.
any os engine is easy to tune own 2 of the speed version. tried with HEC turbo and jp2620, consumption is a bit more as compare to others. based on what i saw at local track, with the rite pipe such as t1050 and SAGE pipe,consumption and power wise shouldnt be a problem.
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Old 06-22-2009, 04:18 AM   #72
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Quote:
Originally Posted by amorfy_onur(tr) View Post
How Os 12XZ performance compare to Speed XZ.I am using this engine for race.

I will buy Os 12xz not speed.I think it is better than Os tz - Top speed and torque.
Am ı wrong ?

Is xz easy to tuned ?

Thank you for answers.
Why are you giving 2 different models of XZ? Theres only one. XZ Speed.
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Old 06-22-2009, 04:31 AM   #73
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Originally Posted by Renault_Tech View Post
Why are you giving 2 different models of XZ? Theres only one. XZ Speed.
There are 2 models
XZ standard replaces the standard TZ
And the XZ Speed replaces the TZ Speed Spec11
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Old 06-22-2009, 04:36 AM   #74
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Really? All i saw on the OS website was the Speed.
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Old 06-22-2009, 05:05 AM   #75
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For sale at pro shop
Sorry is in Japanese
http://www.pro-s-futaba.co.jp/store/...ducts_id=14033
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