nitro engine

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  1. C

    Engine sealing day

    Now that I finally know how to take my Nitro cars apart, I will be attempting to seal two engines tonight
  2. C

    Dynamite .21 engine

    The dynamite .21 engine that comes stock in the losi 8ight with sidewinder 20% nitro....is an OS#8 plug ok or should I go with the colder R5 plug? Oh I live in south west Florida, usually running in 90* weatger with 80% humidity
  3. Demonimp

    Shims in nitro engine

    Hi guys I have a large box of bits and i found a 4.6 hpi savage engine so thought i would take it apart to investigate it so I tested compression and it was very weak so took the head off and there was 8 shims so I'm thinking king if I reduce the amount by 50% it should in crease as there is no...
  4. D

    Picco Throttle setup

    hey, I'm working on the slowest project ever, recreating my old Picco powered Revo Platinum and I can't for the life of me remember what I used for throttle setup. can anybody point me in right direction? got the ofna mount and Picco .26 max. Thanks in advance
  5. I

    Losi Ten-T tuning help

    Hi guys, Still new to the hobby learning lots from here. Have a dilema. Started the TenT, after it sitting for couple of month. Trying to tune it. The mix seems a little rich even when LS needle is fully closed. Can someone clarify what could cause this. Thanks,
  6. J

    Do Engines Come Sealed?

    As the title asks, which I’m hoping isn’t a dumb question. Do nitro engines come sealed? Or is that something the user does? I get a lot of nitro leaking from near the carb when I run it hard.
  7. J

    Engine options, not many.

    Unfortunately not too thrilled with my HPI Bullet. It does run well and starts up pretty quick, but the engine doesn’t have the power for off-road I’m looking for. It’s also a pita to get a decent tune, unlike my Losi 8ight, which was a breeze to get a nice tune on. Anyway I was looking around...
  8. Daniel J

    My nitro RC engine is stalling

    My nitro rc car starts and then stalls shortly after every time even if I give it gas . It like it bogs out. We've tried leaning richining new glow plug fresh fuel. Please help I'm really frustrated. I even took the backplate of.
  9. J

    Starting HPI Bullet (Updated w/pics)

    Well I finally got the car, but can’t seem to start the damn thing to break in the motor! I’ve read all the instructions, and searched and searched and searched, but no luck. The pull start seems really hard to pull, and almost sounds like metal clanking when I do give it a pull. With the glow...
  10. Reddmanz

    Which way does Traxxas 3.3 piston go in?

    Tore my traxxas 3.3 down and didn't pay no attention now I need to know which way my piston goes in
  11. Rickyo007

    Oiling Outer Air Filter Sponge?

    Hi, Do I need to oil the outer (orange) air filter sponge on my Hobao Hyper 7 TQ2?? My blue inner filter is certainly oiled.
  12. Rickyo007

    Using Car Brake Cleaner to clean RC Engine

    Hello all, A local hobby store recommended using Car Brake Cleaner to spray in RC Nitro Engine to clean it and the carb. See photo attached. Any views or experiences please? Thank you
  13. A

    Dynamite .19 Mach 2 Engine

    This is my 1st time posting to your forum. I just purchased a Traxxas Revo with a Dynamite Mach 2 designed to be a direct replacement for the Traxxas 2.5 & 3.3 engines. I need some parts for the Mach 2 .19 engine. Apparently, this engine is no longer built and very few replacement parts are...
  14. Geatfriq

    Need help with tuning

    Nova Rossi p5xl .21s having trouble tuning. I’m a basher so. I would like a tune with some power but also with engine longevity in mind. Any help would be greatly appreciated
  15. Bullwinkel

    Can’t prime HPI Firestorm

    Hi hope someone can give me a heads up. Have a HPI firestorm nitro not had it running for at least 12 months so dusted it off checked all set up is ok everything seems to be working but I cannot prime it! Fuel tanks full air filter clear covered exhaust and pull and nothing......not a drip going...
  16. craig911

    Another Savage XL engine question

    soo I'm kind of happy with my thunder tiger pro .28 engine its been reliable and easy to tune but i need more torque what engine would be good to throw at the hot mess that is my savage XL, I was thinking of getting the same as displacement that would have been fitted as stock - FME-36R01 -...
  17. E

    Need help removing a collar

    I recently bought a second-hand engine, the same displacement as my wrecked GX-15. It's missing the flywheel and the collar, though, so I took the flywheel of the GX-15, but I can't find a way to remove the collar. There's literally not a single post on Google on how to remove the collar. Any tips?
  18. Rickyo007

    Replacing Carb on a 21 Hyper 7 Engine

    Hi, Is it crucial to use some form of gasket sealant when replacing a carb like for like or can it just be replaced and secured? Thanks
  19. Rickyo007

    Engine Brake In Procedure - Hobao Hyper 7

    Hello all, Please could somebody send me clear and easy to follow instructions to brake a Hyper 7 .21 engine in from new...? Many thanks
  20. A

    Are clutch assemblies interchangeable

    Hey guys I’m fair new to the hobby and recently the clutch assembly on my .18 sh engine was broken, the fly wheel, clutch shoes and Bell housing all needs replacing. Because I own a very old model they no longer produce the clutch shoes so I’ve been looking online At alternatives. I’ve noticed...
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