big rock

  1. kaladeth

    How to put driveshaft back together

    Not exactly sure how this thing got pulled out, but is there a way to put it back in? It’s the wheel side of the stock composite rear slider driveshaft on a Big Rock V3 3S (AR310864).
  2. Camreno

    Project Big Rock 8s

    I got everything sorted out and is running well, this video was HALF throttle, absolutely nuts, this rig weighs 20lbs with batteries! Scared to give it the beans because I know at this speed if it flips its GG Max6 1650kv 22t might have to gear back down to 20, was hitting 170f after 6 passes...
  3. joshjosh

    For Sale FS Big Rock Ultimate 6/8S - $1400

    Greetings everyone, I'm thrilled to introduce my meticulously crafted Arma Big Rock Ultimate - $1600. Price drop to $1400 Constructed atop a premium Scorched RC titanium chassis plate, it boasts titanium center driveshafts and titanium front CVD’s. In the rear M2C Overkill shafts for...
  4. Jsvt289

    Big Rock Big Rock BLX 3s low battery or overheating?

    New member to the family and learned so much from the amount of knowledge shared. So thank you to all! Just got myself a big rock 3s running 5200 80 3s battery. I’ve been running it hard in large soccer fields and noticed low voltage after about 20-25 min. The motor seems hot to touch and not...
  5. Camreno

    Big Rock Project 8s Big Rock

    So a few weeks ago I fried my whole system (it went swimming in a creek) so I upgraded to the Hobbywing Max6 and 1650kv combo. This system can easily run 8s without any issues so I figured why not? Problem is the stackable battery system makes them too high and the body won't fit on. So here is...
  6. Amaibot

    Big rock v3 OUTCAST 4S shocks

    Hi guys. I put ara330720 and ara330721 shocks on my big rock v3 3s with standard springs from KRATON/OUTCAST 4S. But I had to limit the piston travel with internal washers (17mm at the rear and 11mm at the front). Everything seems to look great, but in the front shocks, the lower rod guard was...
  7. G

    Question about 6s shocks on big rock 3s

    Hey all, I just got a set of Mojave 6s front shocks as well as a set of k6 exb shocks to throw onto my Big Rock 3s (converted granite). So im pretty sure the Mojave’s are stock with 1000 weight oil and my k6 shocks are 1350. So, was wondering what would be a good oil weight for these on the...
  8. Camreno

    Big Rock I think I need a Pinion Gear Upgrade

    So today for about 5 minutes with some light bashing on the new Badland MX38 Belted tires this happened... I have a hard time believing that slightly bigger/heavier tires would do this under moderate load and only a few minutes but I'm too new to know for sure. My guess is I didn't have it...
  9. Camreno

    Big Rock Im not playing around anymore.... Indestructible Body

    Okay well maybe not "indestructible' but perhaps just a little stronger than stock... I bought this RC and on day 2 I broke the body where they all seem to break by just rolling it. Bought a new one and did the following: 2k Clear Coat + Ceramic Coat for easy cleaning. FibaTape cement board...
  10. Camreno

    Big Rock I think I may need new shocks....

    So I did a few upgrades and I think I may need new shocks now, when I press down on the truck it doesn't want to rebound, a little bit but only comes up maybe an inch. I put RPM Arms all the way around, and got a new servo, I'm also going to mesh tape/glue + metal reinforce the body so its going...
  11. Maus

    Big Rock Achter differentieel loopt niet lekker?

    Hey goeiemiddag mensen, ik ben nieuw hier op de forum en hoop dat er Nederlandse mensen zijn die me wat verder kunnen helpen. Ik heb de bigrock, nou heb ik daar de achter differentieel kapot van gereden. Dus ik een nieuwe steel differentieel besteld. Nou heb ik hem binnen en draai eraan met de...
  12. DesertRC928

    First Arrma build Big Rock 6s

    I’m just getting back into this hobby. Recently bought my first arrma at my local hobby shop. Decided to go with the 1/7 Big Rock 6s. Very happy with it so far. To me planning, upgrading, and wrenching on these things is just as fun as running them. I still have a lot to learn about this...
  13. NoHardFeelings

    Granite Granite, new servo problem

    I have a Granite that is practically brand new and the servo died. I got a couple of cheapo replacements on Amazon, one for the Granite and another for my Big Rock. These are the ones: https://www.amazon.com/dp/B07SWW9NDR?ref=ppx_yo2ov_dt_b_product_details&th=1...
  14. ShankAaron

    Big Rock Shank's "Fat Dog" BRCC roller coaster **PIC HEAVY**

    Hey yall. Someone told me this was what all the cool kids are doing with these build posts, and since I'm the creator of cool....yeah. you get it. Let me help my fellow members of the "Absolutely ZERO Attention Span/Patience" Club with the TLDR Added HR 12mm hex hubs- (Removed) Arrma 4S 57T...
  15. Warby

    Big Rock Bigrock CC V2 ??

    So I was just thinking (and now my head hurts) What's the Bigrock CC 3s 1/10 V2?? V1 is the Blue body, chrome bumpers and rims V2 ? V3 is the Black body, black bumpers and rims plus a 1.1" wider stance. Current version. So was there a V2 released? Did Arrma miss one or am I missing one? 🤔 🤷‍♂️...
  16. SwampYeti

    What weight oil should I use in 3s big rock front and rear diff?

    been lurking here for a few weeks and this forum has helped me with so much already, so first of all, thank you! I recently shredded my diffs at the local rc track, so now I'm upgrading to the metal parts but while I'm there I wanted to address some handling issues I have. First the rear diff...
  17. E

    Big Rock Big Rock 3S limp mode

    Hello. I have a problem that I'm hoping someone has some experience with. Two days ago I purchased the big rock 3s V3. Yesterday I charged up my batteries which are the Zeee 11.1v 5200mah 80c. I put the battery in hooked it up, and drove the truck for about 30 seconds not even going wot just...
  18. JordanBR

    Big Rock Venting My Belted MX28 Tires

    Hey Guys im Wondering If I should melt a hole in my belted mx28 to vent I'm currently running them fully sealed and when they go outside the -5 Celsus makes the air inside them shrink and the tires are basically flat lol so wondering what I can do without compromising the belt Thanks Guys
  19. SECT

    Big Rock GPM rear driveshafts / car vibrates

    Guys, I have a problem with my GPM driveshafts. Since the installation, the rear of the car starts to vibrate very loudly at a certain speed. The hubs have no play and the connections are greased. It doesn't matter which tires I use either. The entire back also vibrates with the Badlands with...
  20. JordanBR

    Big Rock Arrma Big rock v3 1/8 ZD Racing shocks

    I ordered some zd racing shocks for my BRV3 and wondering what weight shock oil I need and maybe tips on how to mount it
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