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Old 05-17-2007, 12:17 AM   #1
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Default XXX-NT Sport vs AD2

Hello all,

I've bought a XXX-NT Sport RTR 2 lately and would like to start upgrading it. Are all the AD2 parts compatible with it? I mean could I exchange the whole rear suspension (arms, support, shock tower,...) and plug it on Sport's chassis?

I'm also searching for XXX-NT configs (servos, engines,...) used by competitors to have an idea of possible upgrades but it's rather difficult to find on the net. Any suggestion?

Thanks

Sylvestre
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Old 05-17-2007, 12:22 AM   #2
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Im not real sure, are the chassis the same? If they are then you shouldnt have a problem.
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Old 05-17-2007, 12:25 AM   #3
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That's the question, I don't know...
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Old 05-17-2007, 01:52 AM   #4
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Yes, you can convert your RTR to full AD2 spec. For the front end, you'll need the AD2 arms and caster blocks, and the front axles to use the AD2 front/rear wheels (they're the same).

The rear is a little more tricky. You'll need the pivot block, arms, hubs, axle, dogbone, and all the hardware. The rear shock tower is only slightly different; you can run your original one with no problems.

Click here for the AD2 Parts Exploded View
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Old 05-17-2007, 03:15 AM   #5
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Thanks for your answer Aaron.

As I would have to change a lot, do you recommend third party products for any of the parts to replace?
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Old 05-17-2007, 08:21 AM   #6
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A lot of guys around here are running the rock concept alluminum rear pivot block. If you do upgrade the rear suspenstion arms, make sure you lock-tite everything that screws into the aluminum hubs.
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Old 05-17-2007, 08:50 AM   #7
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Even if you don't do the complete changeover because there are so many parts, you can still just use the AD2 rear pivot block. Almost all of the racers I race with who run the older versions do this. The AD2 rear pivot has 4 degrees of toe in rather than 3. It really helps in straight line stability so you can put the power down a little better.
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Old 05-17-2007, 09:20 AM   #8
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Your best bet will be to get better servos, and a good mill first. The only upgrade the rtr II realy needs is a set of lunsford turnbuckles. The stock mill has plenty of power, but there are a lot of mills which will be a lot more effecient.
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Old 05-17-2007, 09:58 AM   #9
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party_wagon: Which servos do you recommend? I used to compete in TT1/10 4x2 Elec some years ago and KO Propo FET were the best at that time. Things changed I guess.
gubbs3: Thanks for the tip. When changeing rear pivot do I have to switch to AD2 wheels as well?
kevinmajor: Thanks for your advice, I'll consider it.
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Old 05-17-2007, 12:40 PM   #10
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Nope, nothing else will change. You will need to grind a small flat spot on the hinge pin since it is held in place by a set screw. That's it!
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Old 05-19-2007, 05:26 PM   #11
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i've had a losi XXX-NT sport since i got into this hobby about 4 years ago and i love the truck and i would recomend upgrading the rear piviot block to aluminum, the turnbuckles to titanium, also the ball studs, and as for a motor go with a .12 racing motor with a good tuned pipe, +++ suspension is a big part if u plan to race 4 oil run 35 front 30 rear.
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