Balancing wheels and tires on ECX AMP?

Bgrunst1

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How do u balance the wheels and tires on the amp?
 
Good question. I have one wheel that is fairly terrible, probably has some gunk inside it. But I'm afraid to boil or bake it to get the tire off, it might warp the wheel...
 
If your bearings are good I suppose you can mostly balance it incrementally on the truck by sticking little pieces of balancing tape on the side that likes to sit at the top when the wheel comes to rest. My rear wheel is out of balance enough that it I will try this method to improve things.
 
If your bearings are good I suppose you can mostly balance it incrementally on the truck by sticking little pieces of balancing tape on the side that likes to sit at the top when the wheel comes to rest. My rear wheel is out of balance enough that it I will try this method to improve things.
Thank you, I will pick up some balancing tape from my lhs
 
I haven't tried it, mind. I just noticed that when I disconnected the driveshaft when I fried the motor, the out-of-balance wheel immediately rotated heavy-side-down, so it's not hard to see which side needs to be weighed down :)
 
I haven't tried it, mind. I just noticed that when I disconnected the driveshaft when I fried the motor, the out-of-balance wheel immediately rotated heavy-side-down, so it's not hard to see which side needs to be weighed down :)
All four of my wheels do that, and I just replaced all of my bearings.
 
Went to the lhs, and they said that the best way to deal with the wheels and tires was to get new ones that I put together.
 
New tires are definitely a worthy performance upgrade, then you can have proper foams in the tires and softer rubber compounds. But I don't know if this solves the balancing problem. I've never assembled my own tires, but I think even freshly assembled tires are not guaranteed to have great balance... I'd guess it depends on the quality of the molds that they were made in.
 
New tires are definitely a worthy performance upgrade, then you can have proper foams in the tires and softer rubber compounds. But I don't know if this solves the balancing problem. I've never assembled my own tires, but I think even freshly assembled tires are not guaranteed to have great balance... I'd guess it depends on the quality of the molds that they were made in.
What's better for on a dirt track, harder, or softer rubber?
 
I've never raced but my understanding is this:
- grass hooning: hard compound,
- gravel track with lots of loose material: medium compound,
- hardpack track with little loose material: soft compound,
- tarmac: softest compound your wallet can swallow, cause they ain't gonna last longe.

Someone with actual racing experience may comment on whether my understanding is complete rubbish, or makes some sense :)
 
I've never raced but my understanding is this:
- grass hooning: hard compound,
- gravel track with lots of loose material: medium compound,
- hardpack track with little loose material: soft compound,
- tarmac: softest compound your wallet can swallow, cause they ain't gonna last longe.

Someone with actual racing experience may comment on whether my understanding is complete rubbish, or makes some sense :)
Thank you, it is helpful
 
xlDoom provided a pretty good reference list. For all-around dirt performance select a soft or medium compound (if available). Some monster-truck type tires will only be available in a single compound and if you're buying a good quality brand (like Pro-Line or JConcepts), then you can be pretty sure you'll be getting a suitable compound. In addition to rubber compound, tread pattern is also fairly important. An "open" tread will allow the knobs to dig in and get traction, but a tighter tread will give lower rolling resistance but not be able to dig into loose or soft surfaces (like dirt). The stock AMP tread is somewhere in the middle with more emphasis on hard surfaces (since most owners just drive around on their neighborhood streets).

Take a look at Pro-Line's "Trencher" 2.2 truck tire.
 
Last edited:
xlDoom provided a pretty good reference list. For all-around dirt performance select a soft or medium compound (if available). Some monster-truck type tires will only be available in a single compound and if you're buying a good quality brand (like Pro-Line or JConcepts), then you can be pretty sure you'll be getting a suitable compound. In addition to rubber compound, tread pattern is also fairly important. An "open" tread will allow the knobs to dig in and get traction, but a tighter tread will give lower rolling resistance but not be able to dig into loose or soft surfaces (like dirt). The stock AMP tread is somewhere in the middle with more emphasis on hard surfaces (since most owners just drive around on their neighborhood streets).

Take a look at Pro-Line's "Trencher" 2.2 truck tire.
In regards to the proline 2.2 trenchers for just about the same price You can get the 2.8 30 series. Trenchers. They will give u a taller and wider stance. I ordered mine with the wheels. The come with the 12mm hex. So no need to up your hexs to the 17mm.

As far as better steering. I installed the hot racing allumiumun bellcrank. And installed a high torque metal gear servo. Very fast response now
Hope my. 02¢ is useful
 
Ive got 2 wobbly wheels. I think dirt has got in and dryed on the bottom. Im gunna wash them out. Fill half way with warm water through the 2 lil holes on inside of wheels. Slosh around for a bit. Turn truck on. Take body off turn upside down. Full power and that shud force the water out. Rotate tyres if rwd. At least you've eliminated that. Balancing tape otherwise. Oil bearings regularly . Hope this helps.
As far as tyres size goes wider tyres puts massive strain on the truck. Unless you got uprated motor and steering servo i wouldn't bother. It will make things worse.. taller tyres will alter gearing top speed+ and better ground clearance.
 

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