hello everyone, i have a rb concept sport 10. it has less than a 1/2 gallon of nitro through it, its tuned well, but no matter what i do the temps never go above 190 F. what can i do to fix this? I'm kinda new to nitro, so i don't know everything about it. thanks for your help

If your never getting the temps up over 190 you either have a bad temp gun or your still very rich. Are you driving it hard or are you just taking it easy? If the engine idles great and does not die you should try leaning the HSN some more and drive it hard. After 5 minutes of hard driving temp it again, then also use a drop of water or spit down by the plug to see if it sizzles. If the water sizzles off your more up around 220-230 and the temp gun is wrong. If it i still cool lean it some more till you have good power and temps up over 200.

I would leave it alone. If it's making good smoke.

Chris, most of the time i'm just taking it easy on the buggy. i don't race, i mainly drive it up and down my street and in my yard. what you said about leaning it up i have already tried, and when the LSN/HSN is almost too lean, the temps still don't get over 200 F. i never thought about my gun, its a duratrax flashpoint, about 3 yrs old, maybe it is inaccurate nowadays...

but dont temps under 200 hurt an engine? i want it a well made engine to last a long time... could an air leak cause lower temps?

I would agree that running a very tight engine under 200 degrees is hard on the rod. If you think it's running really good I have a feeling your temp gauge is just off.

any other good ways to tell if my temp gauge is off?

a query for all that rb engines religiously

which engines , pipes , etc. are the most used in buggy and truggy ?

there is a reason why i ask and it could be beneficial to those who rb products

B10, B11, Shark10, F11 for Truck

X11. B11 for car but the Shark and B10 are also used in buggy by some.

I have been using the 2087 pipe with a 198 header for truck.

2087 with the 192 header in car.

This newer pipe makes better power than the older 2045 and the fuel mileage is better.

The spit test is the best way. I personally do not even have a temp gun. If the spit takes a few seconds to boil off at the glow plug your around 220. If it sizzles on contact at the plug you are probably 240ish.

I have tried all the recommendations but it still doesnt want to idle when it reaches around 100 celcius, anyone got some more tips?

PS I left the glowstarter on the plug at 100 celcius and then the idle was smooth and stable..

Daniel

If it will stay running with the glow starter attached then you have a bad glow plug. I thought I saw you said you alreayd put a new plug in, but it does happen that brand new plugs are bad from time to time.

yeah this is the fourth glowplug im trying now and it still doesnt work!! so annoying!!!!

+1 the 192 header and 2087 pipe is brilliant in my buggy.

Hey bro, I went back in the thread to try and see what % nitro and # plug you're using but couldn't see?

Chris is the master on this stuff but I'd try a hotter plug and see if that helps.