tuning

  1. kelly2727

    Dynamite big red .28 tuning after fuel brand change

    Okay so I have a dynamite big red .28 in my savage X and it’s been just fantastic. UNTIL I ran out of my usual fuel that I use witch is sidewinder 20% nitro 12% oil and bought a gallon of VP 25% nitro. My engine was running absolutely perfect the same day I bought the different fuel. I went...
  2. ArcticSnow

    Savage S-25 engine hard to start when warm

    I know I've seen this thread somewhere, but I can't find it. So sorry about that. But well,title says it all. It coughs and fires but it's kind of a pain to get it to actually start. I know I'm using a drill to start it, and drills "don't spin fast enough", but if it can start it cold easier...
  3. Dem

    Weather is getting colder, how to tune?

    Currently around 45 f where i live. Should i be doing something to keep my engine temps up as the weather continues to drop. Also. Is there a temperature i should stop running my savage at. Can see temps of -40f where i live during winter..
  4. O

    How to tune 4.6 purple nitro engine?

    Ok I have the 4.6 purple motor on my savage what is the best way to tune it? Do I need to warm truck up before I do anything else to it ? What screws on carb do you turn and in ehat order do you change things as of right now I have it hard to start and won't stay running it ran better when it...
  5. NitroNick

    S-25 wont rev?

    I took out my savage 25 (S-25 engine) for the first run this summer and at first it seemed fine. After about 1/2 tank it started to really struggle revving up to max rpm. It seemed like it would stop around 20k or so, so still a while to go. It would get to high first and into second but then...
  6. London idiot

    Need help tuning nitro engine

    Help any suggestions Savage running like a dream yesterday start it up today all over the place put h's and ls back almost to running in. Revs up down like a yo yo. 3 glow plugs in 10 minutes temperature 237
  7. E

    I just give up with my x4.6

    Hey people I'm new to this thread and RC cars in general. Okay so where do I start I got given a used but fairly new less then half of fuel container used HPI Savage x4.6 from my uncle as he don't have the time to fiddle around or use it anymore. So yesterday I decided to get the thing running...
  8. Scottbot302

    x4.6 engine tuning problems

    So my savage has been fine up until about a month ago, where things have totally gone to crap. Started her up today (2/5/17) and was having some poor performance (seemed it was running rich, no surprise there) went to re tune and things have gone to complete crap. The thing can idle good but the...
    • Scottbot302
    • Thread
    • help nitro nitro engine problems savage x savage x 4.6 tuning
    • Replies: 55
    • Forum: Nitro Engines
  9. Rmadrid7

    Why is nitro engine running this way?

    What I am doing wrong with my tuning? Please can somebody identify my problem? Thanks
  10. F

    I need help, can't get Savage 4.6 started

    So, I have recently pulled my 4.6 Big Block Savage out for summer this year because I was determined to get it running. 3 hours in, still absolutely nothing. I have gotten new batteries for igniter, 2 fresh plugs that smoke for a split second when connected to igniter and some fresh fuel. I...
  11. WoodiE

    List of useful Nitro Engine threads

    Some very useful HPI Savage nitro engine threads: How to Seal your nitro engine, no more air leaks Engine Factory Settings Carburetor adjustment cheat sheet for beginners How To Heat Cycle Your Engine For Newbies & Pros How to read a glow plug How To Properly Shut Down A Nitro Engine...
    • WoodiE
    • Thread
    • glow plug nitro nitro engine tuning
    • Replies: 0
    • Forum: Nitro Engines
  12. kvnnets

    Nitro Engine Factory Settings

    I thought this might be a helpful thread for everyone who might have lost a manual or did not receive one when they bought a mill second hand. Factory Carb Settings HSN = High Speed Needle MSN = Mid Speed Needle LSN = Low Speed Needle (Metering needle) OS Engines Factory Settings 18TZ series...
Back
Top