if you are looking at buying a nitro rc vehicle then this is the post for you. There are many good nitro rc cars an trucks out there, like the t-maxx and the savage 4.6 but i think the traxxas revo takes the cake because you can do so much with it for example mine has 6 inches of ground clearance and i am running it in the snow. these things are really resilient the only thing i broke so far is the pull start and i am hitting 20 foot jumps with it. some people say the savage 4.6 is faster but it's not maybe when it was modded but not stock. the revo has the best suspension setup on the market so far. so if you want a new nitro rc, buy a REVO. if you have any questions or comments about the traxxas revo leave a message. i will put some videos on here soon.
Here are some links where you can buy a revo
traxxas
towerhobbies.com
www.wheelspinmodels.co.uk/
This is direct text from traxxas on the revo 3.3
2007 ROAR National Champion
Two years running, 2006, 2007
For the complete story, click here.
2006 R/C Pro Series National Champion
Three years running, 2004, 2005, 2006
For the complete story, click here.
Revo® 3.3 takes all the award-winning innovation engineered into Revo 2.5R to a new level of power and speed. Compared to the TRX® 2.5, the TRX 3.3 Racing Engine delivers 60% more peak horsepower along with an incredible boost of nearly 50% total increased horsepower under the curve. We’re talking real horsepower and torque increases you will see and feel every time you hammer the throttle. There’s never been an engine like the TRX 3.3 Racing Engine.
Revo 3.3 is upgraded with enhancements to harness the massive power output including 30mm of additional chassis length, increased engine mounting strength, and tighter suspension with installed progressive 2 rockers. There’s also a wide-ratio two-speed inside the transmission that takes full advantage of the TRX 3.3’s massive power curve for top speeds beyond 45mph! For the hardcore racer, Revo 3.3 has been designed to use the new Traxxas Revo center differential and rear brake kit (sold separately). On or off the track, Revo 3.3 is simply the ultimate, most-powerful machine for jaw-dropping handling and speed.
The TRX 2.5 set the bar and was heralded as “the most powerful smallblock engine we have ever tested” by RC Car Action Magazine. The TRX 3.3 is bigger, faster and puts out a whopping 60% more peak horsepower compared to the TRX 2.5. The overall power under the curve is nearly 50% greater. This means you get smooth, linear power output with increased performance and responsiveness across the entire RPM range. The TRX 3.3 is for drivers at the highest skill level who have the experienced reflexes for extreme speed and acceleration. Traxxas builds more car and truck engines than anyone so you can always count on the reliability and support that has been proven in thousands of Traxxas TRX Racing Engines. Plus, you’re investment is protected by the exclusive Traxxas Lifetime Engine Replacement Plan.
With the incredible horsepower of the TRX 3.3 Racing Engine on tap, Traxxas engineers equipped Revo with a longer wheelbase chassis that has additional support around the engine mount. The longer wheelbase combines with the installed progressive 2 suspension rockers to provide the stability needed for foot-to-the-floor acceleration on the roughest parts of the track. Even if you never see a race track, you will appreciate Revo's ability to drive full-throttle across torturous terrain.
Only the Traxxas EZ-Start® offers the pure convenience of true one-handed operation and complete on-board, push-button electric starting. EZ-Start is the safest and most reliable way to start your engine. The Traxxas EZ-Start lights your glow plug and starts your engine quickly and smoothly at the push of a button. Traxxas’ exclusive Smart Start™ technology monitors critical starting functions, automatically sensing and diagnosing potential problems for troublefree engine starting every time!
Revo’s transmission delivers innovative two-speed, forward/reverse operation in an ultra-compact package. The OptiDrive electronic shift module uses advanced microprocessor control to sense vehicle speed and optimize forward and reverse shifting. Direction control is performed via a third channel on the transmitter. This revolutionary, patent-pending 
When Revo was first unleashed, it reached far beyond anyone's expectations for innovation in chassis and suspension design. Revo actually delivers the promise of no-compromise handling. Revo constantly varies both the spring rate and damping to match suspension movement. Over small bumps, the suspension is light and responsive, reacting instantly to the surface. Compress the suspension over large bumps and jumps and the rocker geometry progressively increases the spring force and shock damping. In an instant, the suspension automatically becomes stiffer when you need it most. Revo provides the best possible spring and damping control for every extreme.
Revo is the first to take a total system approach to eliminating the slow steering response found on other monster trucks. It begins with power. Forget alkalines! An integrated 5-cell NiMH rechargeable battery pack provides the current necessary to maximize servo performance. The built-in charging jack and the AC/DC* TRX Power Charger makes fast charging (in about an hour) as simple as just plugging it in. Peak detection ensures a perfect charge, every time.Twin high-torque servos provide the muscle to drive a single heavy-duty servo saver. Twin servos are lighter and more compact than a single large servo, and together they deliver unmatched monster steering response. *DC cord optional.
Product Specifications (3.3 vs 2.5)
| REVO 3.3 | REVO 2.5R | |
|---|---|---|
| Engine | TRX® 3.3 Racing Engine | TRX® 2.5R Racing Engine |
| Starter | EZ-Start® | EZ-Start® |
| Chassis Type | Extended Chassis 3mm 6061-T6 Aluminum | Standard Chassis 3mm 6061-T6 Aluminum |
| Length | 20.650" 525mm | 19.469" 495mm |
| Front Track | 16.378" 416mm | 16.378" 416mm |
| Rear Track | 16.476" 418.5mm | 16.476" 418.5mm |
| Center Ground Clearance | 4" 101mm | 4" 101mm |
| Height (overall) | 10.375" 264mm | 10.375" 264mm |
| Wheelbase | 13.7" 348mm | 12.5" 318mm |
| Shock Length | GTR™ Aluminum 3.43" (87mm) | GTR™ Aluminum 3.43" (87mm) |
| Weight (RTR no fuel) | 9.8lbs (4.448kg) | 9.4lbs (4.26kg) |
| Front Tires | Talon™ 5.75"x3.8" | Talon™ 5.75"x3.8" |
| Rear Tires | Talon™ 5.75"x3.8" | Talon™ 5.75"x3.8" |
| Front Wheels | Chrome Split-Spoke™ | Chrome Gemini™ |
| Rear Wheels | Chrome Split-Spoke™ | Chrome Gemini™ |
| Wheel Diameter | 3.8" 97mm | 3.8" 97mm |
| Suspension | Fully independent Progressive 2 Rockers | Fully independent Progressive 1 Rockers |
| Transmission | Wide-Ratio Two-Speed Forward/Reverse | Standard-Ratio Two-Speed Forward/Reverse |
| Gear Ratio (1st Gear) | 23.85:1 | 23.85:1 |
| Gear Ratio (2nd Gear) | 15.22:1 | 16.54:1 |
| Differential type | Bevel gear, sealed, limited slip | Bevel gear, sealed, limited slip |
| Drive system | Shaft-driven 4WD | Shaft-driven 4WD |
| Radio System | Traxxas TQ-3™ (3-Channel) | Traxxas TQ-3™ (3-Channel) |
| Brake Type | Steel Disc with semi-metallic pads | Steel Disc with semi-metallic pads |
| Fuel Tank Capacity | 125cc | 125cc |
| Top Speed | 45+mph | 40+mph |
As you can see, their is a noticeable improvement from the earlier 2.5 model of the Revo. A few things that Traxxas have to say about their 3.3 model is:
The Revo® 3.3 takes all the award-winning innovation engineered into Revo 2.5R to a new level of power and speed. Compared to the TRX® 2.5, the TRX 3.3 Racing Engine delivers 60% more peak horsepower along with an incredible boost of nearly 50% total increased horsepower under the curve. We’re talking real horsepower and torque increases you will see and feel every time you hammer the throttle. There’s never been an engine like the TRX 3.3 Racing Engine
The Revo 3.3 is upgraded with enhancements to harness the massive power output including 30mm of additional chassis length, increased engine mounting strength, and tighter suspension with installed progressive 2 rockers. There’s also a wide-ratio two-speed inside the transmission that takes full advantage of the TRX 3.3’s massive power curve for top speeds beyond 45mph! For the hardcore racer, Revo 3.3 has been designed to use the new Traxxas Revo center differential and rear brake kit (sold separately). On or off the track, Revo 3.3 is simply the ultimate, most-powerful machine for jaw-dropping handling and speed.
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