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- New guy here, with new guy questions
- what is my pullstart not working?
- O.S. 21RZ-V01b
- M.I.P. CVDs its your call!!
- RC10GT Aftermarket Parts
- Looking for CelicaRS4, PCC and ALJR from Hpi Forum
- Burning out glow plugs after 75cc of fuel?
- Nitro RS4 3 ss, need help please.
- New piston and sleeve Break-in
- time for a new piton/sleeve
- Idea for 3-speed
- Road Racing an Inferno
- RC10GT engine
- best .12??????
- OS .12 CV-RX loosing presure
- Gs-21r
- My XXX-NT won't start :(
- ok q about NTC3
- Pullstart not working on Mach .15 (XXX-NT)
- WD-40 to rust resist an engine?
- Boost Bottle & Rear Boost Chamber Kits?
- WD-40 + After run oil=???
- Can You Help Me ?
- My clutch is getting too hot
- why is me clutch doin this ?
- anybody seen this before?
- turbo??
- Gp Ultima St??????
- Where to get parts for gp ultima st
- could someone show me the...
- HPI Forum Back up
- Engine Flooding
- TRX Pro .15 Acting Up
- after break in help
- Hpi pull start broken???? any ideas?
- Burnt oil on exaust coupler
- Engine wont start after sitting for a while
- This is not your typical pipe thread....
- Problem With My Ofna Hyper .21 Engine
- Engine Upgrade
- Finished my custom upper control arms
- 1/8 buggy wheels
- loose fly wheel
- Huge race in New Mexico
- How do you tune your engine for a cvec pipe?
- starter box for HPI nitro rs4/3 type ss. any recommendations???
- what kind of glow plug for a mach .15?? long, or short
- How to get me XXX-NT race ready?¿?¿?
- Online ordering in the UK?
- Mystery Horespower?
- traxxas 2.5 is abn?????
- Plane fuel for cars....
- OS 12TR low spped/mixture factory setting??
- OS .12 motor, Will it fit HPI RS4 RTR3
- engine problems
- New Engine
- foam in fuel
- Should I port the sleve of my .15 OS CV-R
- Looking for starter box. Any recommendations.
- How fast is your car
- Sirio .12 (sp12trpt) how good?
- Does anyone have experience with America's Hobby Center
- My home made electric/rocket powerd dragster
- help on trinity reflex
- .12 O.S-CV-R VRS. .12 Trinity/Picco (XXX-NT)
- .21 alternatives
- Hammad Ghuman RC10 GT Chassis??
- My XXX-NT - Large download.
- Airtronics M8 Radio
- Thunder Tiger Pro 21B-R(p) manual anyone??
- How do you get paint off?
- I need hellp what kind of engine would fit into my hpi nitro rush ?
- picco .21 o-1
- Cold weather break in
- Does this sound like a nice christmas list....?
- Tips for tuning a motor...
- fuel question
- Something funky with my Mach .15...
- FANTOM .12 info
- Whats the difference in pivot blocks?
- overheating
- how long?
- Two speed transmission upgrade (yeah, I'm a newbie)
- is the 2 speed shifting
- Newbie Radio Question
- Sway bar adjustment
- not the same old pipe thread
- xxxnt 1/8 scale buggy tires?
- New engine for Thunderquake what do yall suggest
- HPI SS Carb in Kyosho GS15-R
- HPI RS4 3 Owners Car Pictures!!!
- NTC3 tuning - "help"
- 100mph hpi super nitro rs4
- .21 Engine
- universal shaft
- What pipe to get?
- This is really weird....
- engine problems
- BB Belt Tensioner
- First Nitro Car?
- How do i fully convert a non pullstart/rear exhaust ntc3
- will this OS fit my RS4 3
- FM radio
- How to convert from a .15 FE to .12R SS on my RS4 3???
- Tuning a NovaRossi Cx12
- how do you post pics?
- Fast and the Furious!
- Fast and the Furious!
- Traxxas nitro sport
- Which pipe is louder, the CVEC or the Ofna 6 Ring Pipe?
- Fantom pipes on Fantom engines?
- quick question???? would you buy?
- .21 conversions for 1/10 trucks
- Need help deciding
- Where to break in?
- Losi XNT vs. T-Maxx!!
- Mardave Marauder
- Should i get a Sirio?
- XXXNT vs. RC10GT
- TX-18 Sirio
- Where To Get Graphite???
- Aluminium Alloy Wheels
- striping wheels
- Coloring Fuel?
- starter box
- Must GET PARTS FOR OFNA 9.5 RTR
- does anyone know what this is?
- Must Have Parts For Ofna 9.5 Rtr!!!!!!!!!!!!!!!!!!!!
- im getting a 2.5 nitro rustler
- 1/8 buggy
- any info?
- Engien jig/test stand
- 7-10 Minute Run Time - XXX-NT RTR
- 2.5 Nitro Rustler is coming my way.
- Air Filter Oil and After Run Oil
- Making a gear diff limited slip
- MIP Temp Guage?
- Traction problems
- compressors
- Finally got pics of My Nitro Rustler
- 1/4" or 3/16" CVDs for my GT?
- Ultimate hobbies
- flywheel question
- XXX-NT Suspension - Spring Length?
- How many of you guys actually
- Help deciding!
- Ofna 1/10 universal Black Starter Box
- CV-R questions.... Piston sleeve life?
- Which CVD's to get?
- Race Against Cancer at Showtime
- RC10GT RTR v.s NITRO MT RTR!!
- For owners with a CVEC pipe
- Question about SG shaft & threaded shaft on RS4 2/NTC3
- xxx-nt & rc10gt
- Bearing prob. with clutch on RC10Gt!!!
- Pilot Shafts
- 4 stroke Yes? NO? help
- cutting the tune pipe
- help with dyeing rims
- 1/10 Nitro Rally Car?
- Rechargable RX Pack Q
- Ideas for hop up parts
- Hop ups, or get new?
- Hpi Rs4 Speed ?
- HPI Nitro MT and MT RACER speeds
- which receiver futaba pcm 1024 or their new HRS has less interference?
- How fast do the HPI RS4-2 Nitro go out of the box?
- tuned pipe suggestions please!
- nitro tc3 ???
- What engine should I get for my ntc3?
- Will HPI wheels fit a kyosho?
- Rossi Pixie Black for the RC10GT?
- Sirio vs. O.S. vs. TRX 2.5
- XTM 24.7 pullstarter, anyone else having troubles?
- Forced Induction....
- Too much power??
- Running in the rain?
- Airplane Rotary Engine swap
- paris pipe- low end high end or both???
- converting to turbo
- Hpi rs4 3 type ss Header and exhaust
- Dynamite .12spd assembly
- What about Kyosho?
- MIP 4-N-1 Clutch
- Clutch and Plug recommendations
- sirio in a GT , To much power ?
- Where to buy Novarossi pipes online?
- Rc10gt
- Preformance Parts For The NTC3
- Possible to get a larger fuel tank on the RS4 RTR 3???
- Possible to covert 2wd to 4wd on Losi X-NT???
- Which Truck Do Ya'll Recommend?
- Novamega .12 SE
- Scratches On Pipe!!!
- HPI RS4 Super Nitro Rally to on-road race machine?
- Help!!
- Mods to put on the Nitro RS4 RTR 3???
- Dual Chamber Pipes
- how to remove a flywheel?
- street car...?
- Sweet Looking XXX-NT's?
- Is 40 to 50 degree weather ok for break in.
- where to get info on this???? M-speed
- Putting a beeping sound on my car?
- new ofna buggys
- RS4 2 or RS4 3
- Fantom .12 glow plugs
- whats up with that?!?
- New and need some info/tips on HPI RS4 3ss W/ .12ss engine
- New.... I know y'all get a lot of these but....
- looking 4 header
- high lift cams in 4-strokes
- Good deal?
- What tires other than Losi fit the XNT??
- Nitro TC3 as rally car - suggestions?
- 1/10 ATS Foam Tyres
- New Associated NTC3??
- NTC3 engine...Rotary or Slide carb???
- Nitro TC3 Thread
- Will this motor fit a HPI SS?
- Settings for breaking-in a Sirio .12
- Ahh!!! Need help finding 1/4" x 1/2" bearings
- Engine Temperatures for Break-In and Normal Use for XTM 24.7 Engine in X-Factor
- What 1/8 ?????
- Yokomo GT-4 RTR, OK for parking lots?
- tricked out RTR 3's
- Need advice regarding Head Shims/Gaskets
- force
- Engines....
- whats the best nitro on road kit??
- savage 21
- Advice needed: HPI RS4 3 RTR or Nitro TC3?
- Converting Pullstart!
- please help!
- engine for a xxx-nt
- pull start !@#$
- Using a RC-10 for a basher?
- Nitro Quake ????
- Something Wrong With The Cylinder And Piston!
- Post some of your RC Truck & Car Pics cuz i wanna see some!!
- Which pipe?
- Best Tuned Pipe
- newbie needin' help!!!
- torsen diff
- de-assembly instructions?
- How about some pics of your RC work areas..
- How to tell if you screwed your engine
- Does your idle affect your mixture?
- starter box troubles
- pressure fiting on paris ribbed pipe