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Steering problems

Discussion in 'HPI Savage' started by Jcocker, Aug 6, 2018.

  1. Jcocker

    Jcocker Member

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    I have recently bought a Savage with a 4.6 big block engine I took it out for a test drive and it doesn't turn very well when I lift the front wheels off the ground they move a fair distance but when wheels are on the floor they turn ever so slightly any help before I strip it down
     
  2. Jam Racing 1

    Jam Racing 1 NPTB Monitor, Master of the known universe....
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    Tighten the servo saver a bit and see if that helps, also a better servo with at least 200 ozin of torque will also help alot.....
     
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  3. ELWOOD

    ELWOOD Well-Known Member

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    Check your end points for steering servo and the steering responce speed if your TX has that feature .
     
    #3 ELWOOD, Aug 6, 2018
    Last edited: Aug 10, 2018
  4. SavageDarwin

    SavageDarwin Active Member

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    The stock servo is a bit anemic
     
  5. Samuelviani1

    Samuelviani1 Member

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    Had a similar problem easiest solution was a new savox servo and called it a day
     
  6. Jcocker

    Jcocker Member

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    Thanks for replys what are best servo if none of the above fixes work. Also what grease/oil do I use for diffs & suspension shocks ?
     
  7. Jam Racing 1

    Jam Racing 1 NPTB Monitor, Master of the known universe....
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    I have been using servos I get off E Bay, they work well and best part is they are cheap so I can stock up.....

    https://www.ebay.com/itm/4X-MG996R-Digital-Servo-Metal-Gear-Torque-T-Pro-MG995-For-Futaba-JR-RC-Truck-Car/222242039469?epid=2290545201&hash=item33bea866ad%3Ag%3A3nsAAOSwMNxXakMN&_sacat=0&_nkw=MG+996+servo&_from=R40&rt=nc&_trksid=p2060353.m570.l1313.TR1.TRC0.A0.H0.XMG+996+servo.TRS0


    As for differential and shocks, I use silicone shock fluid 40 weight seems to be a good all purpose fliud and for the diffs I use heavy grease packed into the cup and gears.....
     
  8. rc4me.US

    rc4me.US Member

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  9. Jcocker

    Jcocker Member

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    Thank you
     
  10. olds97_lss

    olds97_lss Well-Known Member

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    I run 40 weight oil in my plastic big bores on both of my savage's. While long springs as well. I haven't had an 8 shock savage in too many years to remember what I ran back then.

    For diffs, I run silicone diff oil, 50k in the front and rear, but 100k wouldn't be bad for a basher.

    For diffs, I just use axle grease. Probably better stuff out there, but any sticky/heavy gears works good on the ring/pinion.

    For dog bone cups/joints, I use bicycle chain lube as it doesn't attract/hold dirt like oil/grease does. White Lightning, an 8oz bottle will last you a few years as long as you put the cap on it. It's very watery, I shake mine up, then use a spare aerosol can tube from canned air or something, stick the tube in the bottle, plug the end with my finger to hold some in the tube, then touch where I want it. When it dries, it leaves a thin coat of wax. I use it on CVD joints, dog bone joints, hinge pins, spurs/cb's/pinons.
     
  11. Samuelviani1

    Samuelviani1 Member

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    I'm having a little problem with my savox steering servo if I disconnect the servo from the steering arm it works fine but when i connect itamd steer it all the way to either side its start going crazy and returns back to center cant figure out why?
     
  12. ELWOOD

    ELWOOD Well-Known Member

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    !st with steering arm disconnected do your steering components move freely by hand,
    2nd have you checked your battery voltage for the receiver , if its low and it works fine disconnected then when you reconnect the servo you are now putting a load on it.
     
    #12 ELWOOD, Aug 10, 2018
    Last edited: Aug 10, 2018
  13. Samuelviani1

    Samuelviani1 Member

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    Dumb me lol yes that makes a lot sense its probably the battery haven’t changed them in forever lol sometimes i miss the smallest things smh
     
  14. ELWOOD

    ELWOOD Well-Known Member

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    Yep it's always best to check the simple things first . LOL
     
  15. olds97_lss

    olds97_lss Well-Known Member

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    Your using alkaline batteries with a high torque savox? They will not hold up for very long, even when new. You need to get a good 2/3A NiMH hump pack. Savox servos are pretty well known for being very power hungry. Even just the 0231 I have on one of my revos for steering caused brown outs when under load. I had to put a glitch buster cap on it to give it some help. That's with a 1600mah NiMH pack powering stuff.
     
  16. Jam Racing 1

    Jam Racing 1 NPTB Monitor, Master of the known universe....
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  17. olds97_lss

    olds97_lss Well-Known Member

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    That's what I run my my X and the flat pack version in my revos. I just bought new ones for my revos as they are at least 4 years old and don't hold a charge very well anymore. I haven't installed yet... got an outcast... haven't had the urge to fire up a nitro in a while. lol
     
  18. rc4me.US

    rc4me.US Member

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