1. Ask questions. Share your HPI Savage knowledge. Register TODAY!

Welcome to HPISavageForum, a friendly forum to discuss the Savage RC Truck.

Your voice is missing! You will need to register to get access to the following site features:
  • Reply to discussions and create your own threads.
  • Our modern chat room. No add-ons or extensions required, just login and start chatting.
  • Access to private conversations with other members.

We hope to see you as a part of our community soon!

Upgrades for X4.6

Discussion in 'HPI Savage' started by Bayslayer, Apr 18, 2018.

  1. Bayslayer

    Bayslayer Member

    Joined:
    Mar 24, 2018
    Messages:
    28
    Likes Received:
    2
    Hey I wanted to see what “must have upgrades” you guys recommend for the X4.6. Here is a list of the things I’ve already done.

    Hitech 7955TG steering servo
    Moved old steering servo to throttle/brake
    Heavy duty servo spring
    HD Aluminium servo horn
    Bearing upgrade for steering
    Hpi Aluminium Pipe
    Aluminium Clutch Shoes
    Robinson Racing Spur and Clutch Combo
    Fuel Filter
    Fuel primer bulb
    Pull Start

    Things I would like to upgrade:

    Suspension- Need to find a way to keep this thing on 4 wheels better in turns.

    Radio- Probably going to get the Spektrum DX5R because I want telemetry so I can monitor engine temp and battery voltage.

    Engine- once I blow up the F4.6 of course. Probably leaning towards the LRP or a Nova

    Bearings- Probably replace them with Boca Bearings

    Let me know if you guys recommend anything else. I’m not looking for a bunch of bling upgrades but stuff that commonly fails. I want this thing to be super bulletproof because I like to play hard and I’m tired of breaking this thing every time I take it out.

    Thanks
     
  2. Nihal

    Nihal Active Member

    Joined:
    Jan 13, 2016
    Messages:
    95
    Likes Received:
    7
    Location:
    Singapore
    Can i know the from where you got the HD Aluminium servo horn & Bearing upgrade for steering. Can you provide me the link as well. Many thanks..:D
     
  3. Bayslayer

    Bayslayer Member

    Joined:
    Mar 24, 2018
    Messages:
    28
    Likes Received:
    2
    The servo horn I got off Amazon. Apex I believe. And the bearings I had in stock for fishing reels, I own a fishing reel repair business and I stock about 100 different size bearings so I just measured the bushing and matched the size with a bearing I had.
     

    Attached Files:

  4. Jam Racing 1

    Jam Racing 1 NPTB Monitor, Master of the known universe....
    HPISF Staff

    Joined:
    Jun 20, 2008
    Messages:
    4,245
    Likes Received:
    609
    To be honest the Savage doesn't need that many upgrades to it, a few mods like you listed is about all it needs to be tough, as for the rolling over, you do need to slow down for turns in most cases after all it is a monster truck not a touring car :D
     
  5. Bayslayer

    Bayslayer Member

    Joined:
    Mar 24, 2018
    Messages:
    28
    Likes Received:
    2
    Yea I know it’s not a buggy but I was hoping there was something that would help a little. I took one of the plastic shims off the shocks above the springs and that helped a little bit it seems the springs are too short and they come off the plastic piece at the bottom of the shock. Maybe I can stretch the spring a little?

    Is there here a way to make the truck wider?
     
  6. Jam Racing 1

    Jam Racing 1 NPTB Monitor, Master of the known universe....
    HPISF Staff

    Joined:
    Jun 20, 2008
    Messages:
    4,245
    Likes Received:
    609
    You can use wheel wideners several companies make 17mm wheel wideners, but be aware that doing so will add stress to the bearings, I prefer to use offset wheels to do much the same thing and it saves the bearings from all the stress, RPM offers stable Maxx wheels in either 17 or 14 mm hex sizes to fit these trucks they are 1/2 inch wider when mounted to your rig but you will need 3.2 tires also the stock savage tires are rather high sidewall and soft so they do cause quite a bit of sidewall rollover, also you can lower the shocks a bit by putting spacers under the shock piston to lower the stance a bit.... fuel tubing or some plastic spacers is a popular way to do that..
     
  7. Bayslayer

    Bayslayer Member

    Joined:
    Mar 24, 2018
    Messages:
    28
    Likes Received:
    2
    Yea I noticed that about the tires. I’m going to look for those wheels and try to find some tires with a shorter sidewall.

    Does adding another shock to each corner without a spring help with dampening at all or is it a waste of money?
     
  8. Jam Racing 1

    Jam Racing 1 NPTB Monitor, Master of the known universe....
    HPISF Staff

    Joined:
    Jun 20, 2008
    Messages:
    4,245
    Likes Received:
    609
    I prefer to use a 3.8 wheel if at all possible, there used to be lots of choices for decent tires, sadly most are gone and difficult to find..... I am currently using 3.2 RPM stable maxx wheels in 17mm hex with a set of ProLine Mulchers I found a few years back on my Savage, they are much better than the stock wheels/tires on the truck, just keep in mind that 3.8 or 420 (losi) size wheels are the same, it can be confusing at times so keep that in mind when purchasing your next set....

    As I said tires can be scarce in the 3.8 sizes but they are out there if you look....
    My XTM MMT is using Redcat 3.8 wheels in 17mm hex with a set of Losi SuperBolt on tires I scored at the LHS and if I want to I can switch up because I am using 17mm hex on all my nitro rigs as of now....

    the white wheels are the Redcat with Losi SuperBolt on's the black ones are RPM in 3.2 with Mulchers

    MMT with 420 tires & RedCat Wheels 008.jpg DSCN7041.JPG
     
  9. Jam Racing 1

    Jam Racing 1 NPTB Monitor, Master of the known universe....
    HPISF Staff

    Joined:
    Jun 20, 2008
    Messages:
    4,245
    Likes Received:
    609
    You can also find wheels and tires by searching E Bay for HSP wheels/tires, I just got a set for my Mammoth ST I am working on, they are pretty nice with 17mm hexes and also have a short sidewall with mini pin treads....

    DSCN2729.JPG
     
  10. js1badsti

    js1badsti Member

    Joined:
    Nov 26, 2017
    Messages:
    33
    Likes Received:
    9
    if you want an LRP motor start looking now,I just found out from amain that LRP is no longer in business.
     
  11. 38savage

    38savage Member

    Joined:
    Apr 2, 2018
    Messages:
    17
    Likes Received:
    2
    Get the 12mm wheel extenders. Got mine off fleabay. Wayyyy better yhan before. Less roll overs. I also put 40wt shock oil. Handles so much better now. Way less walk of shames
     
    • Dislike Dislike x 1
  12. Bayslayer

    Bayslayer Member

    Joined:
    Mar 24, 2018
    Messages:
    28
    Likes Received:
    2
    Is this the one?
     

    Attached Files:

  13. olds97_lss

    olds97_lss Well-Known Member

    Joined:
    Oct 2, 2015
    Messages:
    1,307
    Likes Received:
    219
    Location:
    Dekalb, IL 60115
    No. Those are 12mm to 14mm hex adapters and extensions.

    Do you have the X or the XL? Do you know if you have the super HD dog bones or does it just have the standard ones? I ask because the XL comes with built in extensions, but the cups are larger for super HD bones. A bit costly to convert to that if you don't already have the larger bones.

    Taking out spacers just leaves the spring to flop around at full extension. If your dead set on cornering, you need to shorten the shock internally by adding spacers under the shock piston inside the shock. They won't extend as far, but it will lower your COG. It won't be able to take big air as well, but it will corner better.

    Sweep Racing has very low profile tires. I had a set of their terrain's on my truck for a while. Cornered like it was on rails, except the thin sidewall also means it does not absorb jumps well. Also, they don't hook up on grass/dirt very well. For me, they were useless. I spun a hex in one and threw them in a corner. Ended up with 3.8" trenchers which suits my driving better. Big air, skate parks, grass park driving.
     
    • Agree Agree x 1
  14. 38savage

    38savage Member

    Joined:
    Apr 2, 2018
    Messages:
    17
    Likes Received:
    2
  15. 38savage

    38savage Member

    Joined:
    Apr 2, 2018
    Messages:
    17
    Likes Received:
    2
  16. Bayslayer

    Bayslayer Member

    Joined:
    Mar 24, 2018
    Messages:
    28
    Likes Received:
    2
    I have the X4.6. So those Integy ones will fit mine?
     
  17. 38savage

    38savage Member

    Joined:
    Apr 2, 2018
    Messages:
    17
    Likes Received:
    2
    Yes
     
  18. 38savage

    38savage Member

    Joined:
    Apr 2, 2018
    Messages:
    17
    Likes Received:
    2
    Yes. I have the 4.6 also. Easy install
     

Share This Page