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Old 03-07-2006, 02:17 PM   #16
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Now, if you were to ask which 4 wheeler was the best of all time???? not just currently, I'd have to say the XX-4 that thing handled the roughest tracks with ease.

Now if only losi revised the XX-4 kinda like how the revised the xx by releasing the XXcr.

But currently, I'd have to say the BJ4, I owned the regular one, and I have to say I cried the day I sold her. It's all due to lack of interest in my area!
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Old 03-07-2006, 02:34 PM   #17
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Take a look at www.4wdrc.com which is a web site devoted entirely to 1/10 electric 4WD. It's the home of the National Champion X - 5 but has news, info, forums, podcasts, videos on all brands.
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Old 03-07-2006, 02:45 PM   #18
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X5.... another great rough track handling buggy. I would recommend the X5 to an experienced RC builder/maintainer only because of the hand-fitting that is required to build it.

But a delitefully easy to drive 4-wheeler....dissapointing that it still has the same design flaw as the original xx4...the non-captured front hingepin design.
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Old 03-07-2006, 02:51 PM   #19
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If you're looking to get into 4wd right now, boy do you have options.... Of course, that's what makes this class so interesting right now (besides the fact that they are just plain awesome to drive). I'll admit I'm biased (see sig.), but here's a hopefully objective run-through of the current 4wd offers:

Team Losi XX4: This car was revolutionary when it came out in 1996/1997. It (swept?) won the 1996 ROAR mod nat's while still in prototype form and went on to win numerous US and European championships and 2 IFMAR world championships. The latest big victory I believe was the Eruo's in 2005. It is well known for its amazing suspension, as it breezes through rough stuff and takes to jumps like it has wings. It features a 3 belt drivetrain (sealed) with a dual slipper clutch and front adjustable one-way clicker unit. Losi recently re-released (the car had been out of production for several years) the Worlds Edition of the XX4, so parts and cars are pretty plentiful. The front arms can be fragile. You can find used xx4's at many hobby stores and usually one or two on ebay.

Team Losi XXX4: Why'd Losi discontinue the XX4 originaly? They made what they thought was a better car, and in many respects is. The XXX4 also has numerous national championships and a IFMAR title to its credit. The XXX4 is has a single-belt driveline (sealed) and is one of the fastest cars in a strait line. The smooth track handling of this car is very good, but if the track starts to break up or on harsh landings the car can bounce around and be a handful. It had several durability issues when it was first released, but updated parts (new front arms, shocktowers, and chassis) have pretty much made it one of the most durable 4wheelers out there. The drivetrain is good enough that several Losi team drivers have been known to cut every other tooth out of the belt to help eliminate friction.

X Factory X - 5: A small compnay based in Ohio, they saw the XX4 and XXX4 and wanted to have a combination of the best parts of both cars... so they made it. Known as the X - 5 ("double" x plus "triple" x = five) this car combines the single belt drivetrain of the XXX4 with the suspension package and weight distribution of the XX4. The car is offered as a converstion kit for either the XX4 or the XXX4, or you can buy an entire car. The car won the 2005 Roar Mod nats and has several top 5 finishes at major off-road races around the country in the last year - with only one "top" driver, Greg Hodapp, on the team. It is starting to pick up results in Europe as well. This car, like the XX4, has great rough track handling and super acceleration. Parts aren't a problem as most of the parts you commonly break (arms, shocktowers, etc) are Losi. I personally drive an X - 5 and absolutely love the car.

Kyosho ZX-5: A newer car on the market, this is the first shaft drive car on my list here. I haven't driven one, so most of what I know comes from looking at them and talking to others who have driven them. The car has a moulded chassis with a single aluminum shaft down the center; the motor and electronics are along the right of the car with the batteries on the left side. There are some weak points out of the box, but a few aluminum braces and the car becomes pretty tough. The car comes from the box with several front drive options as well as all the usual chassis/set-up adjustments and is available for a bit less $$ than the other top-level 4wheelers, so it has a great value. The car has yet to pick up any major wins (Has it won in Japan? I don't think so, but someone can correct me there); but it shows lots of promise.

Yokomo MR-4BCX: This car is going to hit shelves at the end of the Month, and the prototypes have shown a lot of good things. It features a carbon fibre dual deck chassis with a twin belt drivetrain (exposed). The car has a weight distribution similar to the XX4 and seems to share the excellent rough track handling. The Yokomo team had good results at the recent IFMAR worlds and has picked up several large wins in both Japan and Europe. We will have to see how the car does (and how well it is supported) after it is released.

JConcepts BJ4 (and worlds edition): JConcepts is another small company who saw something and decided to make it: they created the BJ4 very loosely off the Associated TC3 shaft design (the car is almost entirely ground-up new; don't consider it a "touring car conversion). Released in 2004, the BJ4 features a dual deck carbon fibre chassis with an alunimum shaft drive down the center, motor and electronics on the right, and battery on the left. The very first prototypes (about a week in exsistance) were driven to the 'B' main at the 2003 IFMAR Worlds, and the car has had great success since then. It was known to have very weak front arms, something which has since been revised. In 2005 JConcepts released the Worlds Editon BJ4, which may as well have been a whole new car. Still a carbon fibre chassis, the WE has the spur gear central on the car with shafts running front and rear. The batteries became saddle packs sitting in the back (similar to the XX4 and yokomo), and the motor got moved toward the front. This car won the 2005 IFMAR World Championships, so you know its a very capable performer. With the new front arms and bulkhead, this is an excellent car - if you can get your hands on one.

Predator X 10: Based in England, the Predator car has been around for along time. The best word to describe this car is unique: it has a completely differnt look and style about it than anything else out there. This car has a molded chassis, is shaft driven with the motor in the back left, front saddle packs, inboard shocks, a front wing, wind-tunnel tested body... it is stacked. The predator car has been around a while, in and out and in differnt versions, for a long time. An early car was raced very successfully in the early 90's by none other than Brian Kinwald. The latest version seems to be making a bit of a comeback - it seems much more prevailant and supported than previous versions. While it is a very potent performer, it is known to have weak spots (steering, arms), and you pay for the uniqueness in $$ and by having to order almost everything - even the wheels - from the comany itself.

Academy SB Sport: This car takes a whole different approach than most of the others to 4wd racing: while everything else is pricey, all-out performance kits, the SB Sport is a much, much cheaper car that with some upgrades can be competitive. The car is a shaft driven with a double deck chassis. This car hasn't won any big races, but it doesn't have a "factory team" per se racing and developing it. With some upgrades, this car is incredibly durable, and is probably the best choice for someone just getting into RC who wants a 4wheeler.

Durango: The Durango is a very unique shaft driven car made in Germany... that no one can buy. Just about everything on the car is hand made buy a man in Germany and campaigned by a select few drivers. Most notably it has several big wins in Europe and won the IFMAR World's Warm Up last year. This is a very unique car, but as you can't buy them, there's not much to talk about.

Schumacher: Schumacher used to make very competitive electric 4wd cars, but has not come out with anything in several years. They put together a prototype Cat 4k for a show in Europe last year. The car had a lot of people very interesting, but so far there has been no real word or action on producing the car. There are people who comeptitively race the Cat 3000, but the car has not won anything big (to my knowldege) in recent years.

That about sums it up - I'm sure there are a few cars I left off the list, but those are the major 4wd cars I could think of. I hope its helpful. As for me, my very first RC car was a XX4 - I didn't race novice first but rather 4wd mod. I loved that car, and in fact it is still built and sitting on my shelf at home. I bought and built a XXX4 when they came out and stuck with that car through almost all of its "growing pains". I found I could run very fast with the XXX4, but it was hard work. Whereas the XX4 was fun to drive, easy to toss into corners and throttle-steer out, I had to be right on the line, drive absolutely perfect with the XXX4. With the X - 5 I really feel I've found the best of both worlds - its easy to drive and will accelerate with any XXX4 you want.
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Last edited by Paul_Sinclair; 03-07-2006 at 04:49 PM. Reason: small error describing a car
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Old 03-07-2006, 03:48 PM   #20
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Thanks, Paul for the enlightening post focusing on both the good and bad points of the major cars that are available. I an glad to see this thread is not taking the same route that alot of others like it seem to take. I too own a XXX-4 and find it to be quite a good car despite the unfounded bashing it seems to get by alot of people. I find it to be quite durable and to handle quite well. I will have to give the x-5 conversion a try sometime.

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Old 03-07-2006, 05:05 PM   #21
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Originally Posted by Crim3Wav3
seriously...the zx5 is nice...way smoother in the rough than a bj4..
you must have not tried the worlds BJ cause you wouldnt be saying that.
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Old 03-07-2006, 05:47 PM   #22
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THANKS !!!!!!!!
I really like all of the info i think i will get a kyosho ZX5. about $300 is a sounds like a good deal. does anyone know what i need to upgrade ? what is the weak parts what breaks ?. THANKS
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Old 03-07-2006, 06:02 PM   #23
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From my ponit of view, at CRCRC we have a mix of XX-4 xxx-4 BJ4 and even a ZX-5. Those who spent $500.00 on the BJ (ha-ha a $500.00 BJ ) sorry the kid showing up in me... anyway I was saying they break just as often. As a mater of fact the XXX-4G+ was the only car to finish all of the qual's and main (mine). I'm pretty sure I saw a few of those "unbrakeable" arms in pieces . Now I will say the BJ is fast, Jumps awsome and rotates unbelivably. My biggest concern is that I wouldn't want it if I'm going to run outside with the main spur being open to the track. Yokomo has taken forever to put their new car on the market... how long are parts going to take, nuf said there... Losi's brake arms and spindles, other than that they are tanks, just that they tend to push.

So long story short, they all work well, any can win at any given time, so pick what your budget will allow, who ever you want to support, and most important, who you can most readily get parts from for the car when you get couragous and slap in that 7 or 8 single (stupidly)

OHH yeah, not to leave sinclairs out their X-5 is a great car that DOES combine best of both losi's into one car... nice job boy's!

Hey Jason, weren't your banned from 4-wheeler boards you quiter???? J/K
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Old 03-07-2006, 06:17 PM   #24
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see the Kyosho thread if your interested in the ZX5... I would recommended the rear cvd's and shooters alloy shock tower braces and the front alloy brace. Kyosho are aware of the short coming of this car and are working on some new composite moulding.. that that into account and the car is more like $370 us.. still very competitive....
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Old 03-07-2006, 06:46 PM   #25
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Anybody anything on the tc3-o? Some guy at my track has one and he says it hadles really good and it looks pretty durable.
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Old 03-07-2006, 06:53 PM   #26
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The TC3'O' is a very competitive car. If you've got a TC3 laying around and are on a budget, it's the way to go. They're going to be coming out with a carbon fiber chassis version very soon. For information on the TC3'O', go to www.rcproductdesigns.com and check it out.

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Old 03-08-2006, 08:22 PM   #27
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in my opinion the xx-4 is the best car for the buck, i had a z-x5 it was a awsome car but at the time parts support was slim to none so i picked up a xx-4 the car is awsome. as for duaribility all 4wd have fragile front ends,xx-4 front bulk,bj4 with the old arms,kyosho lazer z-x5 front hinge pin mount,as for the 5.5 brushless it will take some effort to get it in any 4wd exept the bj4 worlds there is tons of room in that car
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Old 03-09-2006, 12:30 PM   #28
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im going to get a bcx as a guy a my club is yokomo sponcered and i have actually driven his car and is was mean, the best buggy i had ever driven and in the car park it was keeping up with my ft tc4 no problem.
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Old 03-09-2006, 12:41 PM   #29
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BJ4 Worlds Edition. Great handling, strong durable front end and will have plenty of space for your brushless system.

There is plenty of help around for the car, if you have any problems just email Jason (info @ jconcepts.net) and he will probably reply within 24 hours, great customer service. There is also plenty of setup information and general advice over at www.rc10b4.com

Good price as well, there is the initial cost, but you get everything to have a good, reliable, competitive car. Other cars need many things to make them good, reliable or competitive. I have seen lots of people say thy bought a zx5 because it was cheap only to see them go and spend a lot of money upgrading it.

Hope this helps
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Old 03-10-2006, 08:34 AM   #30
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Originally Posted by cockerill
there is the initial cost [of the BJ4], but you get everything to have a good, reliable, competitive car. Other cars need many things to make them good, reliable or competitive. I have seen lots of people say thy bought a zx5 because it was cheap only to see them go and spend a lot of money upgrading it.

Hope this helps
I agree. For what it's worth, my G+ cost me a LOT more than my BJ4.
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