Could someone please explain to me why a center diff is allowed in the factory tranny case. Correct me if I am wrong but isnt the Revo the only vehicle that this AFTERMARKET kit is available for? The Revo does not come stock with a center diff so why is it allowed? I already have an issue with a 13lb 1/8th scale truck racing against a 1/10th scale 9lb truck but this just adds fuel to the fire.

Also why can one disconnect their front drive shaft? Does that not make it a Stadium Truck?


-Tudogs

http://www.roarracing.com/downloads/2007rulebook.pdf

printed version page 59, online, 61

please see table of specifications.

also, I believe 9.4.3.2 should answer your question?

But, MT rules are in process. With such a diversified class and multiple manufacturers, each month brings something new to consider. Best way to approach any changes in off road fuel is to contact the off road fuel chairperson, Kendall Bennett. kendallb@amainhobbies.com

he will bring for discussion membership concerns to the committee and wording of the rules can be changed.

I am refering to the Roar rule book. And 9.4.3.2 refers to buggy not MT.
Thanks for the email addy for Kendall. I will be contacting him.
Differentials residing inside the transmission are permitted.In ROAR the standard is "product must be available to all racers correct"? ie tires & engines.
There is no center diff, in the tranny case, available for any other vehicle other than the Traxxas Revo.

But, MT rules are in process.
Why? A MT is a MT. And a MT with a center diff is a Truggy. Especially when the vehicle does not come stock with the center diff. Roar is matching up 2 completely different vehicles with totaly different driving characteristics.
The advantage clearly goes to the Revo.
9.4.4.6 Drive configuration: Two or four wheel drive is allowed.
That one is funny too. Now ROAR is forcing local tracks to pick and choose witch revision of the rules to use.

Again, thanks for the link Dawn and I hope that you dont think I am flaming you. Just ROAR and their inability to create a standard and stick to it.
All of these gripes are not just from me. Local track owners are confused and MT drivers are pissed. We seem to be the catch all for unclassified vehicles.

-Tudogs

Again, thanks for the link Dawn and I hope that you dont think I am flaming you. Just ROAR and their inability to create a standard and stick to it.


You know, I realize your not flaming me... but you are flaming with your comments. What I don't get is there are rules and standards for MT racing but if it doesn't suit a particular person's need for what's on their wrench bench... ROAR is criticized for an inability to stick to a standard.

Please, show me where MT's havne't evolved dramatically over the last few years????

C'mon.. get involved in the process or work with what there is.

Sorry.. had to get that off my chest. :)

Please, show me where MT's havne't evolved dramatically over the last few years????

I have an original Savage .21 and an X. No difference in RACING specs what so ever. Just easy access & lower cg.

I also have an LST1. Next to a LST2, there is very little difference other than larger wheel bngs & better brakes.

The T-Maxx only saw the addition of a larger engine in the last few yrs.
Other than the few fixes that I mentioned above, the only thing MTs did in the last few years was get stronger and faster.

A Lightning, Muggy or the 8 T are not Mts. they are a hybrid of a Buggy and a MT. They have a much lower cg & will out handle an MT any day of the week. Most Truggies are a pan vehicle where as most MTs are of a twin plate design.

You are allowing a center diff in MT for one manufacturer and for one vehicle only. The REVO. Until there is a 29 dollar center diff available for the other MTs, why are you allowing Traxxas to use one? It does not even come stock with the truck.

-Tudogs

You are allowing a center diff in MT for one manufacturer and for one vehicle only. The REVO. Until there is a 29 dollar center diff available for the other MTs, why are you allowing Traxxas to use one? It does not even come stock with the truck.

-Tudogs

Ok, now we have a conversation.... :)

Of course I will inquire as to your question and respond quickly.... ;)

thanks for your reply and understanding my moment of weakness in typing. :)

A center diff in a REVO is legal because it is still inside of a gear reduced transmission. I've had this discussion at my track and it is really simple.

You're also going way too deep with the availability rule. The Revo center diff is available to everyone, its not a prototype or something that only pro drivers have. Just because you don't own a Revo doesn't make it illegal.

By using that logic, the Losi aluminum top shaft wouldn't be legal because I can't put it in my associated car. Or 420 rims can't be legal because they don't fit stock on a Revo.

And the revo does not have an advantage over anything. I drove my MGT and TQ'd the North division Pro Series round one. Also, the LST2 is one heck of a racer. There's been a shift away from Revos at my track to LST2's.


The 2wd/4wd thing is only there to include the S-maxx and similiar trucks. There isn't anything to be forced into there. If anybody is silly enough to actually want to disconnect the front shaft on their monster truck that is their decision...legal, but dumb. Nothing to be mad about there.

I guess I don't get how anybody could be confused or pissed about the MT rules. It's all pretty straight forward. You know a truggy when you see on and you know a MT when you see one.

A center diff in a REVO is legal because it is still inside of a gear reduced transmission. I've had this discussion at my track and it is really simple.
It allows a 4wd vehicle to adjust the on power bias between front and rear tires. Its a MOD that does not come stock on any MT. Nor is it availabe for any other manufacturer of vehicles. Its not even feasable on the LST.
You're also going way too deep with the availability rule. The Revo center diff is available to everyone, its not a prototype or something that only pro drivers have. Just because you don't own a Revo doesn't make it illegal.
No, the Revo center diff is only available to Revo owners, thats not everyone, thats a monopoly. Sorta like when NASCAR banned the Hemi. I dont own a Revo, I own an LST. And to date I am unable to install a center diff in my truck for $39.95. Tires have to be available to everyone dont they?
What if Panther made rims and tires for just LOSI and you couldnt use them on anything but the LST?
If Traxxas is the only manufacturer producing this product, then doesnt logic tell you that they are the ones who lobbied to have the rules changed?

And the revo does not have an advantage over anything.
So you are telling me a 1/10th scale Truggy has no advantage over a 1/8th scale MT? Please elaborate.

-Tudogs

Seriously... put a Revo next to a MBX5-T and then try and tell me that a Revo is a truggy.

No, a Revo does not have an advantage over an LST. I go by what I've seen with my own eyes. Last year's points winner at my track won with an LST. This year he went with a revo and wants his LST back. The leader of the points series this year is driving an Aftershock! We have a lot of good MT drivers at my track. And like I said, I TQ'd the North Pro Series Divisional with an MGT, and the field was nothing but Revos.

The beauty of the MT class is that there are several types of trucks that all run in the same class, and each one of the top three (LST, Revo, MGT) have just as good of a shot as the other.

What Traxxas has made for their Revo is not a monopoly it's an innovation. If the LST needed a center diff don't you think Losi would make one?

What it sounds like to me is that somebody where you race is winning with a Revo and instead of practicing and becoming a better driver with the capable truck that you have, you're whining about the rules.

Get some Pro-line Bowtie MTR's, some white springs, aluminum clutch shoes with 1.1 springs and dominate with the great truck that you have.

And alas...the true meaning of all your posts is discovered when you throw in your belief that Traxxas has "Lobbied" ROAR for the center diff to be accepted. You probably think that 911 was manufactured by W, and we really didn't land on the moon either. :thumbsup:

Seriously... put a Revo next to a MBX5-T and then try and tell me that a Revo is a truggy.

I never said a Revo was a Truggy. I said that a Revo with a center diff is a truggy. Read my post thoroughly.

If the LST needed a center diff don't you think Losi would make one?
No, I think that if it were physicly possible Losi would have done it by now.

What it sounds like to me is that somebody where you race is winning with a Revo and instead of practicing and becoming a better driver with the capable truck that you have, you're whining about the rules.
Na dude, not one Revo. We race against other 1/8th scale trucks.

You probably think that 911 was manufactured by W, and we really didn't land on the moon either.
There are 2 things that we dont talk about within the RC hobby. Politics and Religion.

Get some Pro-line Bowtie MTR's, some white springs, aluminum clutch shoes with 1.1 springs and dominate with the great truck that you have.
No, its more like Panther Gators, wht springs, rear swaybar, foc, bac link 2.0,
RPM a-arms, lunsford pins, ti gears, Dyn .28 Platnum and a pr of 5998tg servos. I never said my truck didnt rock and that I didnt know how to drive it. You assumed that on your own.

-Tudogs

I assumed you were having trouble by reading your posts.

A revo with a center diff is not a truggy. A truggy is direct drive, a revo is not regardless of whether there is a diff in there or not.

I'm done. :wave:

Maybe this thread will give you a little insight as to why I made such a stink about the MT rules.
http://lstforums.com/forums/viewtopic.php?t=8397

-Tudogs

I read that whole thing, thanks.

A couple of notes...

...Since it is a LST forum, of course everyone there is going to agree with your notion.

...No, I don't work for Traxxas... I'm a sponsored driver for Losi!

...The Mt class is alive and well at my track because I promote it as a fun way to get introduced to racing. We have a Monster truck class and a Truggy class. LST's Savages, Revo's, T-maxx's are Monster trucks. Muggy's, 8ight-t's, Mbx-5t's, Crt's, are truggies. I've never had anybody complain about the way the rules are set up. I follow the RC pro series rules, which are basically the same as ROAR.

...I'm 100% sure a center diff is possible in an LST if it was made like the drop-in-unit that Traxxas has developed, and if Losi made one it would sell like crazy, but as it sits right now it doesn't need it. You've got a dialed truck and should already know that.

Later

...Since it is a LST forum, of course everyone there is going to agree with your notion

I had no idea that the thread on LSTCentral was going on when I started my post. If you will notice, I didnt chime in till this thread was already established.

We have been segregating big block/small block MT at our Track with much success.

...The Mt class is alive and well at my track because I promote it as a fun way to get introduced to racing

Many folks start out with an MT as a back yard basher. There are a few who come out to our local track to practice after work on Fridays & Sat afternoon. Unfortunately they lack the confidence to come out and race on Sun even though they are quite good. Ive been going out to turn marshall for them & give them pointers.
If you have any ideas on how I can get these guys to the track on Sun, my ears are open. Its not just one or two cats either, there are about 6 who could be really good racers but dont know it yet. Its quite frustrating to hear them talk down about their skills.

-Tudogs

Oh, I have the same problem. There are way too many people that use the track during the week but don't race.

We've been able to attract some guys that were just watchers this year. I'm not exactly sure how besides us telling them how good they are. Usually if I get them out there once, they come back. It's getting them out there that one time that can get tough.

I tell these guys to just watch a round of qualifying and see that they are already doing what everybody else does. When somebody comes into the store and asks how they can start nitro racing without a whole lot of investment I point them to the MT class. In all of my promotional flyers I describe the MT class as a great class to jump into.

The better racers will eventually go from MT to either Truggy, 8th scale or both. MT is like a gateway drug.

That sort of thing really helps. It's nice that our store is right next to the track, and that all of our guys aren't taking racing so seriously that it spoils the fun as well. I try to keep everything fun when running the races.

I also think that the track has a lot to do with it. We run everything on race day; electric and gas. So our track isn't built just for 8th scales. I've seen some places go that route and kill all other classes because the track is so hard on MT's and electrics.

Even with all the stuff we do to make racing fun and easy to do there are still folks that are either intimidated or not willing to spend all day racing their truck. That's just part of the game I guess.

Right after my last post, I spoke to the owner of our LHS & track. Another thing that we were forgeting to explain to these potential racers is that we water the track on race day. Just imagine taking a Savvy out on a loamy surface with tractor tires. They dont even bother to get into the drivers stand. Most stand in the middle of the track and spend most of their time flipping their truck over.
So with that being said, we were thinking on holding an open practice session with turn marshalls, water & maybe even fire up the AMB.
I think that it would also help those racers who seek help with a tune or dialing in.

FroBoy, I am glad that we turned my flamefest into something productive.
However I am still set on ensuring that a MT remains a MT not an SUV.
Enjoy your 4th weekend.

-Tudogs

What makes me wonder is their are alot of 1/8 scale monster trucks versus a t maxx 1/10 so how does that effect the rules not trying to start anything here just curious cause i am considering going nitro racing and not sure if i wanna go MT or buggy or truggy.

is their rules on what scale you run for MT cause their are alot of 1/8 scale mt versus a 1/10 scale mt