Like Tree3Likes
  • 2 Post By Pugg
  • 1 Post By wrayth

How hot is too hot

Old 01-09-2018, 05:09 PM
  #1  
Tech Rookie
Thread Starter
 
Join Date: Jan 2018
Posts: 2
Default How hot is too hot

I have a losi 8 2.0 and my radio is telling me I am getting too hot at 210 degrees. So my question is how hot is too hot for a nitro engine
Z4130 is offline  
Old 01-09-2018, 05:20 PM
  #2  
Tech Elite
 
token's Avatar
 
Join Date: Mar 2009
Location: Aurora, Colorado
Posts: 4,531
Default

I would say around 240 but its different with each engine, tune, clutch setup, ect. 250 is my max.. but thats me..... I also dont trust telemetry systems.. IMO
token is offline  
Old 01-09-2018, 06:04 PM
  #3  
Tech Master
iTrader: (15)
 
sschultz's Avatar
 
Join Date: Mar 2012
Location: SW Minnesota
Posts: 1,351
Trader Rating: 15 (100%+)
Default

You can adjust the temp settings on your radio, if its a spectrum that is. I don't know about others. Like previously stated, telemetry is usually suspect....
sschultz is offline  
Old 01-09-2018, 07:40 PM
  #4  
Tech Rookie
Thread Starter
 
Join Date: Jan 2018
Posts: 2
Default

How accurate is the telemetry in the spectrum cause thatís what I have? And is there a way I can test the heat. The manual says drop water in the head and see how fast it disappears.
Z4130 is offline  
Old 01-09-2018, 08:58 PM
  #5  
Tech Elite
 
grizz1's Avatar
 
Join Date: Nov 2007
Location: Auckland, New Zealand
Posts: 2,983
Default

Originally Posted by Z4130 View Post
How accurate is the telemetry in the spectrum cause thatís what I have? And is there a way I can test the heat. The manual says drop water in the head and see how fast it disappears.
Yep, the old spit test on the head is ball park accurate enough for most situations.
Put a glob of spit on you finger tip and drop it on the part of the cooling head that turns down and inwards towards the glow plug.
Rule of thumb is -

If the spit just sits there and does nothing - it's too cold.

If the spits sizzles and disappears within a couple of seconds - it's too hot

If the spit bubbles a bit and then boils / evaporates away over a period of 6 - 7 seconds - it's pretty good (probably around that 190 to 210 range where most engines seem pretty happy.

As mentioned there are a lot of variables as to how hot each individual engine will like to run on a good tune.
If your getting that 6 - 7 sec spit test and the engines performing well and blowing nice smoke - then it's a happy engine. Don't worry about temps any more than that.
grizz1 is offline  
Old 01-10-2018, 09:16 AM
  #6  
Tech Initiate
 
Join Date: Apr 2017
Posts: 48
Default

210 is very cold imo. Most engines run around 260, Ive had an engine that ran 300 degrees and it didnt have any kind of damage or shortened life span. If it is tuned correctly it probably wont overheat. Never tune with temperatures either
J.Whiting and kaptain crash like this.
Pugg is offline  
Old 01-10-2018, 09:17 AM
  #7  
Tech Initiate
 
Join Date: Apr 2017
Posts: 48
Default

Dont forget running a cold engine is gonna wear the sleeve out sooner also
Pugg is offline  
Old 01-10-2018, 10:43 AM
  #8  
Tech Fanatic
iTrader: (1)
 
Join Date: Dec 2016
Location: New Jersey
Posts: 762
Trader Rating: 1 (100%+)
Default

Yea it all depends on the engine to. Some run cold some run hotter. I think I remember lutz saying he had engine that ran 250 and another 290 with same settings. Main thing is the tune and how it feels. A lot of people say alpha engines are better being really hot.
But the main thing is if you have proper tune and smoke coming out.
jersey is offline  
Old 01-10-2018, 01:21 PM
  #9  
Tech Addict
 
timjs's Avatar
 
Join Date: Jun 2015
Posts: 727
Default

Ive run engines at and over 300f for years.

Tuning is based on performance and sound. Temperature and smoke mean next to nothing.
On a windy day, you'll have lower temps. And some fuels smoke more than others.

I'm sure I'll catch flack for my opinion but I've yet to cook an engine, ever.
So many newbies get caught up in tuning to temps that it makes nitro seem so difficult. If it's running good, just keep running it. If it's too lean it WILL sound different and performance will suffer.
timjs is offline  
Old 01-10-2018, 02:17 PM
  #10  
Tech Apprentice
iTrader: (1)
 
BMOC's Avatar
 
Join Date: May 2013
Posts: 77
Trader Rating: 1 (100%+)
Default

i dont even pay attention to heat anymore unless i'm breaking something in. base yourself off of sound and performance.
BMOC is offline  
Old 01-10-2018, 06:24 PM
  #11  
Tech Prophet
iTrader: (96)
 
houston's Avatar
 
Join Date: Sep 2004
Location: Sherwood,OR
Posts: 15,843
Trader Rating: 96 (100%+)
Default

Originally Posted by BMOC View Post
i dont even pay attention to heat anymore unless i'm breaking something in. base yourself off of sound and performance.
houston is offline  
Old 01-11-2018, 01:35 AM
  #12  
Tech Fanatic
iTrader: (1)
 
Join Date: Dec 2016
Location: New Jersey
Posts: 762
Trader Rating: 1 (100%+)
Default

Originally Posted by BMOC View Post
i dont even pay attention to heat anymore unless i'm breaking something in. base yourself off of sound and performance.
Yup, break in Is the main time you should be worried about heat and also if your going to drive in cold then preheat of engine you can monitor temp. But everything else is tune.
jersey is offline  
Old 01-31-2018, 06:41 PM
  #13  
Tech Master
iTrader: (16)
 
Join Date: Feb 2009
Location: Santa Clarita CA
Posts: 1,092
Trader Rating: 16 (100%+)
Default

Alphas like to run hot 250 to 300 is common
J.Whiting likes this.
wrayth is offline  
Old 02-01-2018, 08:19 PM
  #14  
Tech Master
iTrader: (7)
 
Join Date: Oct 2008
Location: Houston, TX
Posts: 1,550
Trader Rating: 7 (100%+)
Default

Originally Posted by BMOC View Post
i dont even pay attention to heat anymore unless i'm breaking something in. base yourself off of sound and performance.
This right here.

Tune for performance by sight and sound and then check temps. Im averaging about 240-260F and one hell of a race tune
Evoking1230 is offline  

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are Off


Thread Tools
Search this Thread

Contact Us - Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service - Do Not Sell or Share My Personal Information -

Copyright © 2023 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.