gandalfnz
RCTalk Addict
Hi Guys
I consider myself to be a good nitro rc tuner. Been doing it for around two years and can make any nitro car run well.
I have finally reached a stage, where I can tune by engine performance and sound, also temp guns I try not to use anymore, and can feel if too hot by touching the cooling head.
One issue has been bothering me for years!
Why does the engine run nice and cool one day, say around 100C and then the next day it goes up towards 130C, which to be hones gets worried a little and then I resort to constantly keep checking with a temp gun to see where its at?
For example. I ran my savage yesterday, it ran excellent, nice and cool, temps never went above 105C, and I thought, thats it, its tuned well, and next time it might only require some small adjustments on the HSN.
Today, I ran it again, and it ran at around 130C. I though this was too hot, and kept richening the HSN, but in the end the car was so rich that performance was clearly affected to the point of being sluggish and taking more time to shift into the second gear.
Point I am trying to make, no matter how much I richen it, it still runs hot! Temp drop is negligible.
Same thing happened with my Revo a while back, took it out the next day and temp was just going up and up!
The weather outside might have changed slightly, but as I said, no matter how rich, it still runs hot!
Is this normal, and should I just forget about the engine temp, it the car is running good?
can't be an air leak, because it would run hot every time I run it.
Thanks
I consider myself to be a good nitro rc tuner. Been doing it for around two years and can make any nitro car run well.
I have finally reached a stage, where I can tune by engine performance and sound, also temp guns I try not to use anymore, and can feel if too hot by touching the cooling head.
One issue has been bothering me for years!
Why does the engine run nice and cool one day, say around 100C and then the next day it goes up towards 130C, which to be hones gets worried a little and then I resort to constantly keep checking with a temp gun to see where its at?
For example. I ran my savage yesterday, it ran excellent, nice and cool, temps never went above 105C, and I thought, thats it, its tuned well, and next time it might only require some small adjustments on the HSN.
Today, I ran it again, and it ran at around 130C. I though this was too hot, and kept richening the HSN, but in the end the car was so rich that performance was clearly affected to the point of being sluggish and taking more time to shift into the second gear.
Point I am trying to make, no matter how much I richen it, it still runs hot! Temp drop is negligible.
Same thing happened with my Revo a while back, took it out the next day and temp was just going up and up!
The weather outside might have changed slightly, but as I said, no matter how rich, it still runs hot!
Is this normal, and should I just forget about the engine temp, it the car is running good?
can't be an air leak, because it would run hot every time I run it.
Thanks