93flareside
Newbie
Anybody ever try building a crawler out of a Stampede 4x4? I have one and just was thinking it might be an interesting build.
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Stampede 4x4
- Thread starter 93flareside
- Start date
I am soon. Going to be more of a scaler though. I plan on locking both diffs, installing a HPI gru with 35t lathe motor, chopping chassis in half and stretching it to 1:6 scale hardbody. Already got a XO-1 center shaft for the stretch then just brace both pieces together with angle aluminum and mounting to Said body.
Oh using a slash 4x4 though, pretty similar.
Oh using a slash 4x4 though, pretty similar.
93flareside
Newbie
That sounds really interesting you doing a build thread on it?
alexchen86
I wanna be Dave
That's the first thought that came to my mind when the stampede became 4x4. With the right suspension and the parts you mentioned you're on the right track! I just can't stand that basher webbed chassis though since its built to be a basher. A mud rig on 2.2 or 2.8s would be awesome though.
But the indy suspension that's gotta go unless you like the stance if you ever want high speed stability. But the price tag of even a stampede 4x4 roller is overpriced since most of the items need upgrades right away.
Have you considered the crawler king? Much cheaper and more parts and upgrades you can do to it...unless of course you already have the stampede.
But the indy suspension that's gotta go unless you like the stance if you ever want high speed stability. But the price tag of even a stampede 4x4 roller is overpriced since most of the items need upgrades right away.
Have you considered the crawler king? Much cheaper and more parts and upgrades you can do to it...unless of course you already have the stampede.
93flareside
Newbie
I have a Stampede 4x4 that my Girlfriend is using until she can get an Scx-10 as a trail rig.
93flareside
Newbie
Mainly just wondering if there are any cheap simple upgrade ideas people have used to get her through part of the year with this rig. I have not really had the chance yet to trail it hard at all. Am I wasting my time and should I just try and sell it to get an Scx?
alexchen86
I wanna be Dave
Anything can trail with enough torque, wheel spin, lockers, and a strong enough drivetrain to support it all. The other side of that coin is are you going to get the performance you're looking for out of a stampede 4x4 with a mild at best 2pole 3500kv vxl system with no drag brake and no esc programmability at all except switching between NiMH and lipo modes.
For the price if a RTR stampede 4x4 with the mandatory stuff you will buy such as RPM arms, maybe towers, probably cvd's, better tires and wheels for sure, and a better servo that's made for crawling plus an external bec to maintain that power on top of an analog dial transmitter is a bit of a disappointment, oh yes you will need a complete power system swap if you want to trail with it. By this point you have spent around $600 already and lots of time waiting in parts here and there.
Scx10 is fine right out of the box until things start breaking and there are plenty of freebie mods for it as well plus that chassis pretty much out Axial on the map I the scale department.
For the price if a RTR stampede 4x4 with the mandatory stuff you will buy such as RPM arms, maybe towers, probably cvd's, better tires and wheels for sure, and a better servo that's made for crawling plus an external bec to maintain that power on top of an analog dial transmitter is a bit of a disappointment, oh yes you will need a complete power system swap if you want to trail with it. By this point you have spent around $600 already and lots of time waiting in parts here and there.
Scx10 is fine right out of the box until things start breaking and there are plenty of freebie mods for it as well plus that chassis pretty much out Axial on the map I the scale department.
alexchen86
I wanna be Dave
Or pick up a loaded scx10 roller used off here with the usual needed upgrades already and they usually go for around $300 if it has a painted body, aluminum links, wheels and tires, transmission, and probably aluminum c's and knuckles...and if you're lucky sometimes a loaded all hardened steel tranny gear upgrade already inside!
OSRC
I wanna be Dave
Just picked up a slash 4x4 with the older high clearance chassis to turn into a mild trail truck, just for the challenge of doing it. We'll see how it goes. Went with the slash as it's a bit longer and not as wheely-happy. Picked up a rolling chassis for $170 and a body for another 30, and will drop in electronics and some 2.2's that I already have. Figure if it fails to work out, can always drop a brushless in and go fast. Turn it into a rally, maybe an on-road....pretty versatile chassis. Didn't see a need for serious mods yet, a "trail" drivetrain is not going to stress the parts like a big BL set-up would.
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alexchen86
I wanna be Dave
No problem with that setup at all. Just add the thickest diff fluid you can find so you have pseudo lockers on both diffs. I'd also tighten up that slipper a tad or if you are running a gen3 lock that sucker down all the way. I have a couple of gen3 slippers 56t I use on my hardcore trail rigs that weigh a ton and have massive amounts of torque and 4s and they have not failed me yet!
1375
Pebble Pounder
1375
Pebble Pounder
OSRC
I wanna be Dave
So I built up the truck SC style with some parts I had laying around, dropped in a 4 pole and went out and had some fun. Fun ride, great suspension, though surprisingly nearly as tail happy as the 2wd. Center diff would help, but no need since it's not a permanent set-up.
Anyhow, I'm a little confounded with the wheel options. I don't like running the wide offset 2.2's as it makes the track super-wide and puts a lot of stress on the axles. There are no 5" tall 2.2/3.0 tires that I could find, though the badlands are close but not a scale tire.
So that leaves 3 options:
Narrow a 2.2/3.0 wheel somehow to clear the steering block and fit a standard 2.2 tire. Not sure if there's enough room to do it.
Modify a scale tire to fit a 3.0 size on the back (not too bad an option)
Modify the front suspension to accept a new C hub and steering block and swap the front to dogbones.
Thinking about option C. Have quite a few options to mess with.
Anyhow, I'm a little confounded with the wheel options. I don't like running the wide offset 2.2's as it makes the track super-wide and puts a lot of stress on the axles. There are no 5" tall 2.2/3.0 tires that I could find, though the badlands are close but not a scale tire.
So that leaves 3 options:
Narrow a 2.2/3.0 wheel somehow to clear the steering block and fit a standard 2.2 tire. Not sure if there's enough room to do it.
Modify a scale tire to fit a 3.0 size on the back (not too bad an option)
Modify the front suspension to accept a new C hub and steering block and swap the front to dogbones.
Thinking about option C. Have quite a few options to mess with.
OSRC
I wanna be Dave
Option C accomplished. Sorta. Still working out some bump steer issues
1.9's and 2.2's now fit perfect.
That_One_Guy
Newbie
I think Jang might of made one? The Kymera or Chimera, whatever it is look it up and Jang has a bunch of videos on converting it into many vehicles it is not even marketed as.
alexchen86
I wanna be Dave
The one and only thing I like about Traxxas is their cross compatibility of several parts as long as its indy suspension. Anything is possible 2wd, 4x4, locked diffs, semi locked....just easy to work on but not very scale. Durable? Heck yes! But price point ummm terrible.
Jang from URC did a trail truck a while back, looks like it'd be pretty fun since it handles well outside of trails. Of course you can't get too technical when crawling but it's still capable enough for the platform.
https://www.youtube.com/watch?v=reM57ZAaa0Q
https://www.youtube.com/watch?v=reM57ZAaa0Q
I made mine into a trail rig
Used Loctite liquid Teflon in the diffs,not fully locked but slips slowly just before the slipper clutch.
1/2" wheel widners with 2.2 mashers
Hpi 7:1 gru
the vxl even with the gru cogs at crawling speeds but not too bad.Top speed about 3mph and long run times
wide steering due to the wideners and whimpy servo
On order I have rpm revolver 2.2 wide crawler rims,They fit the 4x4 pede knuckles with no problems,no wideners needed.
Traxxas telluride arms,steering links and upper control arms are a straight swap and will narrow the trucks hex to hex down to about 9" or less,Stock is 9 3/4"
2.2 mudslingers in the mail also
then stretch to fit one of my 1/6 bodies,either the Titan or the f150 fx4.
the design of the single upper control arms introduce a lot of flex in the suspension.I will experiment with double arms.
With the 7:1 gru I can see traxxas shafts breaking easily and stripping out hexes.
the stampede 4x4 vxl version has a 2.6:1 diff ratio,the brushed version has a 3.9:1,the diffs are a straight swap.Go to a parts diagram and get the front and rear diff gear part numbers for the brushed xl-5.Remember that the front and rear diff gears are different designs,dont just order two fronts,fronts wont fit the rear diffs.The 7:1 is a lil too slow on 9 volts,a 3s would be sweet.....once again traxxas plastic shafts are the weak link.Ill post up next week after my parts are installed
Used Loctite liquid Teflon in the diffs,not fully locked but slips slowly just before the slipper clutch.
1/2" wheel widners with 2.2 mashers
Hpi 7:1 gru
the vxl even with the gru cogs at crawling speeds but not too bad.Top speed about 3mph and long run times
wide steering due to the wideners and whimpy servo
On order I have rpm revolver 2.2 wide crawler rims,They fit the 4x4 pede knuckles with no problems,no wideners needed.
Traxxas telluride arms,steering links and upper control arms are a straight swap and will narrow the trucks hex to hex down to about 9" or less,Stock is 9 3/4"
2.2 mudslingers in the mail also
then stretch to fit one of my 1/6 bodies,either the Titan or the f150 fx4.
the design of the single upper control arms introduce a lot of flex in the suspension.I will experiment with double arms.
With the 7:1 gru I can see traxxas shafts breaking easily and stripping out hexes.
the stampede 4x4 vxl version has a 2.6:1 diff ratio,the brushed version has a 3.9:1,the diffs are a straight swap.Go to a parts diagram and get the front and rear diff gear part numbers for the brushed xl-5.Remember that the front and rear diff gears are different designs,dont just order two fronts,fronts wont fit the rear diffs.The 7:1 is a lil too slow on 9 volts,a 3s would be sweet.....once again traxxas plastic shafts are the weak link.Ill post up next week after my parts are installed
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