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Old 06-02-2012, 02:56 AM   #1
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Default OS Speed 12 XZ Spec III

http://www.osspeed.com/12xz/index.html

Debut of the new engine.
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Old 06-03-2012, 11:07 PM   #2
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woah..the most important question..when is it goin to debut?
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Old 06-08-2012, 08:58 AM   #3
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Wow!!! This is the boss!!!
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Old 08-19-2012, 11:28 PM   #4
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So has anyone run this engine yet? Feedback? Is the T-1060 the best pipe?
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Old 09-10-2012, 01:45 AM   #5
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I saw a driver yesterday at club day who said he was running the brand new O.S. didn't look to check if it was this one but suspect it was since he's OS team driver.

Fastest car all day. 200mm touring.
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Old 10-14-2012, 04:16 AM   #6
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I ran one at the Australian titles and it was very competitive. It a good engine but not owning a spec 2 before this one I have nothing to go off. I was running Sirio xxx and evo 4's before and I can say its got more horsey's
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Old 01-03-2013, 03:13 PM   #7
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This Engine won the Japan Nats! And Runner up at the Worlds. I may be running this one this summer! Also they added a new Spring clip exhaust PN.
Press release today: http://www.rccaraction.com/blog/2013...peed-spec-iii/

http://www3.towerhobbies.com/cgi-bin...1992&search=Go
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Old 04-08-2013, 08:20 PM   #8
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notice they say the t-1070 pipe is designed for this engine. would the 1060 work well with it or should i just hold out and get the 1070?
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Old 04-08-2013, 10:03 PM   #9
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wow that site says $699 and 199 for the pipe!!!!!
they are kidding them selves

get it from pro shop futaba in japan
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Old 04-08-2013, 11:16 PM   #10
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lol.. yea the retail is stupid, but rcmushroom has it for $372... amain has it for $449 but since i need a pipe im getting engine for mushroom and pipe from...... well, when i figure out what pipe i need, ill figure that out too!
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Old 04-09-2013, 02:54 AM   #11
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Get it from Champ, cheaper. you can use a Reds/Picco pipe they work great. Engine is a screramer.
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Old 06-03-2013, 02:44 PM   #12
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Bought It!! I will start breaking it in this week!

OS Speed 12 XZ Spec III-img_1311.jpg
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Old 06-12-2013, 11:16 PM   #13
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so... bought this motor and have run it two race days and a practice and my front bearing was toast.. leaking oil everywhere. clutch was totally full of oil lol.

i wonder if the clutch on my nt1 was compressing the bearings together which caused the front one to prematurely wear?
i tried swapping the bearing with one i had from my old 12tz which was still perfect. easy swap but the same symtom when i reassembled the clutch. less, but still gritty.

installed a xray 0.1mm flywheel shim behind the front bearing on the crankshaft which seems to have fixed the problem as the bearings are no longer under pressure.
i thought maybe i tightened the clutch nut too much but dunno.
anyone else have any issue like this?

thankfully i had a bearing that would work. otherwise id be out of racing this week! guess ill get a ceramic front bearing for replacement.
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Old 06-13-2013, 08:30 AM   #14
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Quote:
Originally Posted by valk View Post
so... bought this motor and have run it two race days and a practice and my front bearing was toast.. leaking oil everywhere. clutch was totally full of oil lol.

i wonder if the clutch on my nt1 was compressing the bearings together which caused the front one to prematurely wear?
i tried swapping the bearing with one i had from my old 12tz which was still perfect. easy swap but the same symtom when i reassembled the clutch. less, but still gritty.

installed a xray 0.1mm flywheel shim behind the front bearing on the crankshaft which seems to have fixed the problem as the bearings are no longer under pressure.
i thought maybe i tightened the clutch nut too much but dunno.
anyone else have any issue like this?

thankfully i had a bearing that would work. otherwise id be out of racing this week! guess ill get a ceramic front bearing for replacement.
That's unfortunate... I will keep an eye on mine. Maybe I will back the nut out and re torque the nut. Maybe installing the flywheel puts too much pressure on the bearing as you said.

Also, I have had great luck with Avids ceramic OS bearings! http://www.avidrc.com/product/16/engine-bearings/
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Old 06-13-2013, 11:27 AM   #15
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I dunno lol. I build everything as per manual spec abd it still blows up lol
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