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NINJA .28 vs. OS .28XZ head to head

NINJA .28 vs. OS .28XZ head to head

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Old 03-19-2010, 11:57 PM
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my 18tz was a fast little motor...i just had to lean it out too much for it to make the power i wanted...here is a video of my 18tz....fastest i got the 18tz was 47mph on 17-38 gearing.

http://www.youtube.com/watch?v=uj5LqzDjyZo
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Old 03-20-2010, 12:31 AM
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17/36 was the best all around gearing IMO
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Old 03-20-2010, 01:26 AM
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finished my modded os.28xz crank, stock crank on the right, my crank on the left...gonna try it out tommorw and then send it out go get hardened....i got a offroad video of the ninja i gonna post tommorow....leaned out and hauling ass..
Attached Thumbnails NINJA .28 vs. OS .28XZ   head to head-hpim3018.jpg   NINJA .28 vs. OS .28XZ   head to head-hpim3019.jpg  
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Old 03-20-2010, 01:30 AM
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hmm that ninja ripped...a few of my friends have the old .21's hooked up to jp-3 pipes and they rip can't imagine them modded or even how the .28 must perform
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Old 03-20-2010, 02:40 PM
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Originally Posted by absolutemayhem View Post
finished my modded os.28xz crank, stock crank on the right, my crank on the left...gonna try it out tommorw and then send it out go get hardened....i got a offroad video of the ninja i gonna post tommorow....leaned out and hauling ass..
quite sure that joint is a beast offroad. post some more hi speed pass runs if u can
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Old 03-20-2010, 08:08 PM
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got the video of the NINJA offroad done...still processing...got my os.28xz back together and putting it in the revo right now.mabye i can run it tommorw

http://www.youtube.com/watch?v=3wfxw4u4Qas
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Old 03-20-2010, 09:12 PM
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id like to c wut that joint would do on the track. still using 17/38? i heard her shift once in the vid. put that 17/36 on for us
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Old 03-20-2010, 10:24 PM
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shes shifing...it usually results in a wheelie when second gear hits...and im running 18-36 gearing...there is a nice track about 1 1/2 hours from here....it would be RIDICULIOUS on a track mabye if i dropped in a 5.5mm venturi
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Old 03-20-2010, 11:14 PM
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thats too far away, IMO. trust me, throw that 17t on there and its gone be trouble!! keep the largest venturi on there

wut were ur temps in that last vid?
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Old 03-20-2010, 11:21 PM
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i belive 215 was the highest i got it to.....i can still lean it on top but i usually run my motors a tad "rich" so the last longer...this ninja has over 10 gallons on it....6 gallons on the con-rod...still little to no slop. when i sent it to get pinched it still had compression and ran like a champ....im guesing if i tuned it to the max i could get 53 MPH.

and yeah, i think the NINJA prefers a 17t bell...I just bought the 18t for the 28xz as it has loads of low end.
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Old 03-20-2010, 11:25 PM
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Originally Posted by Jusleanit View Post
id like to c wut that joint would do on the track. still using 17/38? i heard her shift once in the vid. put that 17/36 on for us
It was shifting all the time...
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Old 03-21-2010, 01:57 PM
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Originally Posted by absolutemayhem View Post
i belive 215 was the highest i got it to.....i can still lean it on top but i usually run my motors a tad "rich" so the last longer...this ninja has over 10 gallons on it....6 gallons on the con-rod...still little to no slop. when i sent it to get pinched it still had compression and ran like a champ....im guesing if i tuned it to the max i could get 53 MPH.

and yeah, i think the NINJA prefers a 17t bell...I just bought the 18t for the 28xz as it has loads of low end.
dont be scared, love it-embrace it those mills will be killer on that gearing
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Old 03-21-2010, 03:44 PM
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just raced my os .28 for the first time yesterday, took 3rd, i got 12 minutes run time with jp-3 pipe and 7mm restricter
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Old 03-21-2010, 05:30 PM
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got my speed passes with my os.28xz today...had a max out tune tune on it, running 200 degres in 50degree weather...and this is the fastest it will go on 18-36 gearing...with gearing change im sure i can hit over 55mph.

http://www.youtube.com/watch?v=h8V20Ey5vPo
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Old 03-21-2010, 08:38 PM
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Originally Posted by absolutemayhem View Post
got my speed passes with my os.28xz today...had a max out tune tune on it, running 200 degres in 50degree weather...and this is the fastest it will go on 18-36 gearing...with gearing change im sure i can hit over 55mph.

http://www.youtube.com/watch?v=h8V20Ey5vPo
wow...... thats slow, clocked my with a GPS and said 63mph
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