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  #1  
Old 07-24-2007, 09:35 PM
PeterV PeterV is offline
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O.S. Engines 28XZ Truggy Engine, Speed 12TZ Spec II Engine & LC4 Plug



Latest from www.osengines.com

For immediate release:

**O.S. ENGINES 28XZ TRUGGY ENGINE, O.S. SPEED 12TZ SPEC II ENGINE & LC4 PLUG

The new 28XZ Truggy Engine – perfectly balanced power for today’s truggies!

With input from top truggy drivers, O.S. has developed the ideal engine for these hybrid hot rods! The 28XZ produces more low-end torque, providing the rpm/torque balance that heavier truggies require. The result is power that’s incredibly smooth! And the 28XZ comes with all the components serious racers need for fine-tuning to meet any conditions: Two carb inserts – a 9 mm blue for higher rpm applications and larger tracks and an 8 mm red for smaller tracks that restrict air intake, an extra copper head shim for more head raising/lowering options and a piston sleeve that boasts 6 ports for significantly increased power.

• The larger head aids in cooling and is a 2-piece construction with inner head button.
• A sealed front bearing and high-performance inner bearing are part of the new crankcase design.
• The high-performance con rod features oiled bushings.
• Three needles enhance fine-tuning on the 21J slide-valve carb.
• Comes with a high-performance P3 hot turbo plug
• The Mark Pavidis Edition Tuned Pipe is the perfect accessory for the 28XZ; flywheel sets are required (sold separately) for certain truggy models.

Specs:
• Displacement: 0.284 cu in (4.65 cc)
• Bore: 0.728 in (18.5 mm)
• Stroke: 0.681 in (17.3 mm)
• Practical rpm: 4000-38,000
• Power Output: 3.31 hp @ 32,000 rpm
• Weight: 13.1 oz (375 g)


OSMG2074
28XZ Truggy
Street:$349.99

OSMG2648
Flywheel Set for Mugen
Street:$22.79

OSMG2649
Flywheel Set for Kyosho
Street:$22.99

OSMG2969
Mark Pavidis Edition Tuned Pipe
Street:$139.99

IN STOCK: Late July

The O.S. Speed 12TZ Spec II – tops in touring car engine technology!
• The magnesium head is 35% lighter than standard head material and allows for lowering the engine’s CG.
• The front bearing is sealed while the ceramic rear breaking resists heat - lasting longer than steel.
• The crankshaft is coated to fight friction and increase durability and is epoxy filled for more efficient fuel direction.

Specs:
• Displacement: 0.128 cu in (2.1 cc)
• Bore: 0.543 in (13.8 mm)
• Stroke: 0.551 in (14.0 mm)
• Practical rpm: 5000-44,000
• Power Output: 1.7 hp @ 35,000 rpm
• Weight: 7.34 oz (208 g)

OSMG2031
OS Speed 12TZ Spec II
Street:$577.99

IN STOCK: Early August


Also available from O.S. – a medium-heat long reach plug!

LC4 Long Reach Glow Plug
• Designed to boost performance in 1/10 scale off-road engines.
• Ideal for popular trucks such as the Traxxas® T-MAXX™ and Revo®!

OSMG2708
LC4 Long Reach Glow Plug – Medium
Street:$8.99

IN STOCK: Late July

For more information please visit: www.osengines.com
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  #2  
Old 07-24-2007, 10:04 PM
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B4 Stealth B4 Stealth is offline
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I say they redesign the engine to look like that!! that would be sweet. a twin turbo V10 truggy

If you're wondering what the V10 refers to...
The official O.S. pic is posted above, but I had placed the image below as a placeholder until it arrived. --Pete


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  #3  
Old 07-24-2007, 10:34 PM
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ericem ericem is offline
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Ya Lol!!!!!
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Subaru's Pwn. Losi and the LST2 are Pwn. Monster GT is Pwn as well. Pwn3d! XD

I own the following vehicles as off 16/06/07:

Losi LST2 x2
Monster GT
Ofna Hyper 7 x3
RC10GT
Losi Aftershock
Losi LST1

Note: 2 vehicles in my list are my friends.
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  #4  
Old 07-24-2007, 11:59 PM
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pleaseletmeon34 pleaseletmeon34 is offline
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Might not be as pretty as that picture but here it is.

http://www2.towerhobbies.com/cgi-bin...3&I=LXNYP3&P=K

Already have a TZ SpecII, http://forums.radiocontrolzone.com/a...7&d=1179597528 thats been out a few months.
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Last edited by pleaseletmeon34; 07-25-2007 at 02:35 PM.
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  #5  
Old 07-25-2007, 12:14 AM
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ericem ericem is offline
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yay! its very pretty. But i want more angles.
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Subaru's Pwn. Losi and the LST2 are Pwn. Monster GT is Pwn as well. Pwn3d! XD

I own the following vehicles as off 16/06/07:

Losi LST2 x2
Monster GT
Ofna Hyper 7 x3
RC10GT
Losi Aftershock
Losi LST1

Note: 2 vehicles in my list are my friends.
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  #6  
Old 07-25-2007, 02:43 AM
Bigedmond Bigedmond is offline
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from what i have heard, the new truggy motor is basically the .28 vspec.
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  #7  
Old 07-25-2007, 10:04 AM
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vaderbxman vaderbxman is offline
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I want the eingine in the first picture more!!
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Beware of the Large Box. It's known to eat small children.

Garage - Evader ST Pro, Evader BX Pro (currently in pieces) HPI dash
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  #8  
Old 07-27-2007, 08:59 PM
tallyrc tallyrc is offline
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is the $600 street price for the .12 a joke? i like that it costs more than the .28 also.. lemme know when it hurts....
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  #9  
Old 07-27-2007, 09:05 PM
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fastharry fastharry is offline
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when they tell me they will guarantee the 12 motor to last more than 2 gallons,I'll buy one.......


untill then,I speak Italian when it come to engines that cost more than 250 bucks.....
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  #10  
Old 07-27-2007, 10:40 PM
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josh222 josh222 is offline
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That engine looks sweet.. I want
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  #11  
Old 07-28-2007, 11:20 PM
BlutoSigPi BlutoSigPi is offline
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The question is however, does the extra power of a .28 worth the fuel economy penalty compared with using a .21 in truggy racing applications? A LOT of truggy racers simply use .21's. Any truggy racers want to comment on any benefit's of what this OS .28 engine will do that I may be overlooking here???
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  #12  
Old 07-29-2007, 04:54 PM
thedarkness thedarkness is offline
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When i run a .26 im not seing any shorter of runtimes, just because you have more powere doesnt mean you have to use it all.I often come in to pit at about 8 minutes the guys with .21s come in at about 8:30.
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  #13  
Old 07-29-2007, 07:49 PM
Hugh Hugh is offline
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Mark Pavidis reported 9-10 minutes of runtime during testing,and a very smoothe powerband.
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