Can I Have an official Mammoth ST thread?

Can I Have an official Mammoth ST thread?
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Can I Have an official Mammoth ST thread? - 7/1/2006 11:16:06 AM

Br00klyn

Posts: 66
Joined: 4/4/2006
From: Brooklyn, NY, USA
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I know it's not the new Mugen, but it's a great truck. I know There are more than a few in the garages of this sites members. Let's see or hear about yours! Anything new?

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Jato, Mammoth ST, Hyper 7 PBS, 2.5 4 tec, Neo Attack MX4,

Post #: 1

RE: Can I Have an official Mammoth ST thread? - 7/2/2006 2:56:48 AM

ssj2

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From: Niles, IL, USA
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I have one, and am having some trouble breaking in my new XTM .28 engine.

Here are some pics of mine and I really like it when it's running properly, I've been having some extremely difficult "first nitro truck" problems:

These are some pics before I installed the new XTM .28 and Spektrum DX3.

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Mugen MBX5T Prospec
92% of teens have switched to rap music if you are part of the other 8% put this in your sig

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Post #: 2

RE: Can I Have an official Mammoth ST thread? - 7/2/2006 11:15:19 AM

Br00klyn

Posts: 66
Joined: 4/4/2006
From: Brooklyn, NY, USA
Status: offline

Nice ride. Looks like you've installed the must have's (arms and Dadders braces). What's the engine problem?

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Jato, Mammoth ST, Hyper 7 PBS, 2.5 4 tec, Neo Attack MX4,

(in reply to ssj2)

Post #: 3

RE: Can I Have an official Mammoth ST thread? - 7/2/2006 12:51:40 PM

annie_himself

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Joined: 10/3/2004
From: Prairiville, LA, USA
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You need the RC Visions hinge pin retainers.

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RE: Can I Have an official Mammoth ST thread? - 7/2/2006 5:15:20 PM

ssj2

Posts: 2221
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From: Niles, IL, USA
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quote:

What's the engine problem?

The enigne problem is that my pull start just busted off. I'm using a different break in method than what says to be done in the manual. Anyway, I got through the first step of my break in, then when I went to start the truck to begin the second step (running tanks by just "blipping" the throttle), I was pulling the pull start, and the handle flew off into my hands. Also, the truck can't withstand any throttle usage, or else it dies out on me. I think it was because of the temps I was running in, I'm gonna have to wait until it gets a little cooler so I can finish my break in. But right now I just need to focus on getting some new pull starts. If you think you can help me, ask me any further questions.

quote:

You need the RC Visions hinge pin retainers.

I know, but they are really expensive for me. ($110) I'm only a teenager, and have some hard times pulling in the money, but trust me, HPR are defintely on my "Wish List" along with some other items too. Thanks for the comments guys!

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Mugen MBX5T Prospec
92% of teens have switched to rap music if you are part of the other 8% put this in your sig

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Post #: 5

RE: Can I Have an official Mammoth ST thread? - 7/3/2006 2:45:43 AM

Br00klyn

Posts: 66
Joined: 4/4/2006
From: Brooklyn, NY, USA
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Another pullstart will be about $10-$20 on Ebay. The pin retainers are high on my list also, but you should be able too run pretty hard without them for now. It also sounds like your fuel mixture is too rich.

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Jato, Mammoth ST, Hyper 7 PBS, 2.5 4 tec, Neo Attack MX4,

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Post #: 6

RE: Can I Have an official Mammoth ST thread? - 7/3/2006 9:34:59 PM

ssj2

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The fuel mixture has to be rich because I'm breaking in the new engine, it comes very rich from the factory. I'm gonna try to get a pull start today, so I'll see what I can do. Thanks!

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Mugen MBX5T Prospec
92% of teens have switched to rap music if you are part of the other 8% put this in your sig

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Post #: 7

RE: Can I Have an official Mammoth ST thread? - 7/4/2006 1:08:18 AM

Br00klyn

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From: Brooklyn, NY, USA
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It should be rich, but not so rich that it shuts down when the throttle is applied.

< Message edited by Br00klyn -- 7/4/2006 9:26:34 PM >

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Jato, Mammoth ST, Hyper 7 PBS, 2.5 4 tec, Neo Attack MX4,

(in reply to ssj2)

Post #: 8

RE: Can I Have an official Mammoth ST thread? - 7/5/2006 1:42:49 AM

ssj2

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I actually just talked to XTM Customer Service yesterday, and he said if it has trouble transitioning from idle to throttle, then I need to lean the low speed needle valve 1/2 turn. I had this same problem with my 24.7 break in, I don't know why I just didn't turn the LSN, before my pull start broke. However, I should get back to breakin in this weekend, I missed my chance to run my truck on the fourth.

I'm happy that everything is gonna go smooth now though.

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Mugen MBX5T Prospec
92% of teens have switched to rap music if you are part of the other 8% put this in your sig

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Post #: 9

RE: Can I Have an official Mammoth ST thread? - 7/5/2006 6:58:56 AM

Br00klyn

Posts: 66
Joined: 4/4/2006
From: Brooklyn, NY, USA
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Good to hear that you've got the answer to your problem

. Does anyone know of a lighter set of wheels? I just got a set of 40 size moabs but I don't want to mount them on te stock rims.

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Jato, Mammoth ST, Hyper 7 PBS, 2.5 4 tec, Neo Attack MX4,

(in reply to ssj2)

Post #: 10

RE: Can I Have an official Mammoth ST thread? - 7/6/2006 4:28:29 PM

mattster72

Posts: 89
Joined: 5/10/2006
From: Yorba linda, CA, USA
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hey Mammoth ST owners my friend might be getting one and wants to know if there are any problems when it comes out of the box and is there anything that needs to be upgraded right away or any replaced or added

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RE: Can I Have an official Mammoth ST thread? - 7/6/2006 9:56:27 PM

ssj2

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I take it your friend is talking about getting the original Mammoth ST? because the ST Pro Kit is going to be released soon. But for the regular one, I would definately buy some chassis braces from www.dadders.net to dramatically reduce chassis flex. Another vital upgrade would have to be a rechargeable receiver pack. Then, if you want aluminum arms, I would take a look at www.bigairproducts.com, they're expensive but worth it. Next, go to www.rcvisions.net for a 4 set of hinge pin retainers. From there, you can look into a new radio/engine/carbon fiber parts if you plan on racing in the future. I'd definately say that the first two things I mentioned (the www.dadders.net chassis braces and rechargeable receiver pack from www.hobbypeople.net) would be very good to purchase. There may be more things, but I might be forgetting some stuff. If you have any questions, I'll answer them to the best of my ability or someone else may know. Good luck to your friend!

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Mugen MBX5T Prospec
92% of teens have switched to rap music if you are part of the other 8% put this in your sig

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RE: Can I Have an official Mammoth ST thread? - 7/6/2006 10:24:58 PM

mattster72

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From: Yorba linda, CA, USA
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what does the pro kit come with because i am sure he would want to know. also someone told me that you need to get a center differentail kit of it becasue if the truck is in the air it will strip gears if the throttel is applied.

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RE: Can I Have an official Mammoth ST thread? - 7/7/2006 3:03:06 AM

ssj2

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The Pro Kit is going to be more money, and it's a kit so he has to build it. It doesn't come with tires or an engine/tuned pipe system. However, it does have a wing and center differential stock. I would recommend the Mammoth ST if this is going to be your friend's first nitro truck, just because you would need to spend more money buying the Pro. (unless he has enough money to buy the pro) A center differential is also high up on the "To Do" list for upgrades for the ST. That's true, if you do jump and land wrong, you'll strip that tranny bad. And also, with the center diff, ($50 by the way) you don't need to worry about shift point adjustments, and you'll be able to race in the truggy class. Like I said, feel free to ask questions, I'm glad I can help your friend out.

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Mugen MBX5T Prospec
92% of teens have switched to rap music if you are part of the other 8% put this in your sig

(in reply to mattster72)

Post #: 14

RE: Can I Have an official Mammoth ST thread? - 7/7/2006 3:05:35 AM

ssj2

Posts: 2221
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From: Niles, IL, USA
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Also, you could look at my list of upgrades in my personal "My Models". I listed all the upgrades i have installed on my truck, a fuel filter wouldn't be a bad idea either for your friend, just check out my list.

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Mugen MBX5T Prospec
92% of teens have switched to rap music if you are part of the other 8% put this in your sig

(in reply to ssj2)