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  1. TenTlover12

    Nitro RS4 3 3.4 build

    Well if anyone saw my post “make it good or get a different one” they’ll know that although I did in fact decide to rebuild the rs4 2(go check out that thread) I also ended up buying an rs4 3, which I dropped a t3.0 I had into it, and that was fine, but of course I had to make it more stupid...
  2. M

    HPI Super Nitro RS4 2 speed upgrade

    Hey community, I was gifted this amazing car, I know it is very old/vintage RC car, but it's practically new since was only ran a couple of times, not even a quart of Nitro has ran through the engine, and I would like to use it to intro myself to the hobby. I see there were a couple of...
  3. S

    HPI mini RS4 upgrades/compatible parts. Help me please!

    I recently got my hands on an old HPI mini RS4 and i'm looking to upgrade it. I've looked for it on the HPI website and they seem to have taken down all pages regarding it so no help there, but i want to upgrade it or at least find compatible parts for it. I'm looking for hop-ups or replacements...
  4. Gomesito

    HPI RS4 tuned pipe

    Newbie question. I just started getting back into RC cars and trucks again and would appreciate some advice. My wife bought me the original HPI RS4 RTR many years ago. Now that I retuned it and got it started again, I wanted to know if there are any reasonably priced tuned pipes that would be...
  5. FirsthandSnow

    HPI RS4 3

    hey, I posted a week or so ago about finding a relatives RS4 from 2002-4. I've found that everything is essentially the same on the newer models as on the old, which is helpful. However I'm trying to mount a G3.0 engine, using a 21mm brace, but I find that the nut on the carb is wedged against...
  6. FirsthandSnow

    HPI RS4 RTR 3 FORD F-150

    Hello! I've recently unearthed a relatives RS4 from roughly 2002-4, however it is in a state of repair and needs some TLC. Unfortunately I don't have any instructions, nor can I locate any online for that specific car. The spur gear is completely shredded, the exhaust is damaged and the wheels...
  7. Booins

    HPI RS4 Exhaust System

    I need to "upgrade" or change the exhaust system in my RS4. The reason being, the body covers the exhaust tube. I have noticed with this being an old RS4, the original exhaust system is not something that is very popular today. What kind of system should I be replacing this with? Does the...
  8. R

    HPI RS4 conversion to a TX 2.5 engine

    So I just picked up a couple of RS4's online. One is for me with all the upgrades plus the EVO .18ss engine. The other is engine less, and I have a spare small block 2.5 laying around. I picked up a hpi corkscrew or whatever carb, I have some eXtra nitro 4 tek exhaust manifolds and a...
  9. LamboLover

    HPI RS4 won't idle

    Hi guys I was hoping maybe someone who owns an rs4 or who thinks they can still help me anyway could give a few things I could do to fix the problem my car is having. Ill be running it and lower the throttle around a turn and if I let off completely the engine cuts out and I have to restart it...
  10. J

    bought a hpi rs4

    got a hip rs4 from a guy for 200 and once i got everything setup(receiver, glow plug igniter) I was going to start it up. at first i started the engine the car would accelerate with out me telling it to do then i accelerated and it stalled and shut off. then i tried to start it yesterday and it...
  11. S

    Tuning help with HPI RS4 3 EVO

    Hey guys i just bought a rs4 was running good until i stripped it down to clean it. I think i need to adjust the throttle servo. Carb is open too much so its going full throttle at idle. I tried pulling the screw from the servo and moving it to 1mm but it keeps going back whenever i put it in...
  12. J

    My HPI rs4 3 evo+ thread

    Hi all, i'm new to the nitro scene, used to have a HPI baja 5b but regrettably sold it. So anyway, i bought a second hand hpi rs4.. i've stripped it down and rebuilt it, replaced alot of parts. I'm planning on drifting it :) Parts I've added: Stronger dif gears. Graphite gearbox set...
  13. W

    HPI RS4 problem

    I recently acquired an RS4 in a trade for an RC heli. It has a purple frame so I THINK that it is an RS4 2, but not sure. Fired it up today with a pull start and it was running really well. After half a tank though it just died and would not restart. I picked it up and the chassis was...
  14. C

    Hpi Rs4

    I was wondering what would be a good engine for it don't know if it matters but its not belt driven any help would be great Thanks
  15. B

    HPI RS4 .12 Won't Start

    HPI .12, was VERY used, and Dirty. Tore down the whole car, cleaned everything up. Took the engine apart, took the carb off, reset to factory settings, fresh gas, used glow plug, but it works with my new igniter, put everything back together, and it will not start. I need help. I tried leaning...
  16. C

    My HPI RS4-3 w/modded O.S .18tz

    I've done so many tips and tricks to make it better, stronger, lighter and faster. Need help making your car faster, ask here and I'll try my best to help you out. Here are some vids so tell me what you think. Losi 19/26 pinion, HPI 37/43 spur - YouTube HPI RS4-3 Race - YouTube...
  17. B

    Hpi rs4 wheel alignment?

    My rs4 drift does not track straight I have tried everything with in adjustment from the control and it does not help... The car has been in a few wrecks and I'm wondering If maybe I bent something what all should I replace or look for damage? Thanks for the help!
  18. B

    hpi rs4 3 evo spool?

    i gotta ask but is this spool any good for a hpi rs4 3 evo+ i have a nitro RTR touring car but i want to convert it to a drift now and then. this spool is for a E10... are they compatible cos they look alike?:\...
  19. tjc1986

    Hpi rs4 evo fuel tank

    Not sure if this is already on here. I didnt see it but is there a bigger fuel tank that will work on the car? 75cc just doesn't seem like enough. Wanted to know if anyone knows of a bigger replacement. Thanks!
  20. M

    Hpi rs4 3

    I'm buying new engine for my rs4 just wondering what are some good Engine u guys recommend