8ight-T temps  
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All Forums >> RC Cars, Buggies, Trucks, Tanks and more >> RC Truggy >> 8ight-T temps
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8ight-T temps - 6/29/2008 7:45:39 PM   
SycoCell


 

Posts: 271
Joined: 1/28/2008
From: Punta Gorda, FL, USA
Status: offline 		Just wondering what a good range in operating temps are? Also what fuels are you guys using?

My truck loves to run at about 210-230 racing, generally around 220. It's running on 20%. What temps are you guys running?

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RE: 8ight-T temps - 6/29/2008 8:05:55 PM   
trx2.5maxx


 

Posts: 134
Joined: 2/20/2007
From: daytona beach, FL, USA
Status: offline 		thats a good temp 230-250 bottom off the tank if you run 30% you might see a drop in temp and a boost in performance you are running jac which is a good fuel . i run jac 30% and dont really see temps above 240 at the bottom off a tank

< Message edited by trx2.5maxx -- 6/29/2008 9:04:52 PM >

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RE: 8ight-T temps - 6/29/2008 9:07:34 PM   
Jamie22


 

Posts: 311
Joined: 10/29/2007
From: Princeton , WV, USA
Status: online 		I run around 205-220 on trinty 30% fuel

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RE: 8ight-T temps - 6/29/2008 9:40:47 PM   
SycoCell


 

Posts: 271
Joined: 1/28/2008
From: Punta Gorda, FL, USA
Status: offline 		Sounds good. I'm on my last bottle of Jac. It's not sold here where I live. I can only get it up in Daytona. Ever used anything else in your truggy?

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RE: 8ight-T temps - 6/30/2008 12:12:15 AM   
phattracker


 

Posts: 522
Joined: 11/19/2007
From: Crossville, TN, USA
Status: offline 		Traxxas top fuel is good to me. I have a choice of 2 fuels here. Sidewinder and Traxxas. It makes good power and I was able to lean it out 3/4 to 1 turn just to get it back up to race temp over the sidewinder. So I guess you could say it runs cooler. Ive converted 3 guys at the track to it over the sidewinder.


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RE: 8ight-T temps - 6/30/2008 1:12:09 AM   
Oasis TR


 

Posts: 707
Joined: 11/17/2006
From: visalia, CA, USA
Status: offline 		You should never tune to motor temp..smoke and how it runs..

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RE: 8ight-T temps - 6/30/2008 1:38:12 AM   
SycoCell


 

Posts: 271
Joined: 1/28/2008
From: Punta Gorda, FL, USA
Status: offline 		Yeah I mostly tune now for performance and smoke. I actually have my truck a bit richer than factory. I love how it runs like that. And i figure that i'll get the most out of the Mach. By the way, i'm surprised people put LRP's and such in these things. In my opinion, i think that the Mach 427 has tons of power.

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RE: 8ight-T temps - 6/30/2008 1:58:25 AM   
phattracker


 

Posts: 522
Joined: 11/19/2007
From: Crossville, TN, USA
Status: offline
quote:

ORIGINAL: Oasis TR

You should never tune to motor temp..smoke and how it runs..



Man, thats true. All the way. However, Good smoke, good sound and pull it in and take a temp and its 300+. Then the sight and sound method is gonna F you. Its a good idea if your new to take temp readings often, atleast until you are comfortable with what your mill is doing. Peace. No disrespect.


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RE: 8ight-T temps - 6/30/2008 3:44:20 AM   
SycoCell


 

Posts: 271
Joined: 1/28/2008
From: Punta Gorda, FL, USA
Status: offline 		Yeah I still am going to take temp readings all the time. But I'm past that stage of spending my whole day trying to get a temp that i'm not. Oh well. I'm content how this baby runs. My MGT loves to run around 280 though haha.

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RE: 8ight-T temps - 6/30/2008 4:17:39 AM   
phattracker


 

Posts: 522
Joined: 11/19/2007
From: Crossville, TN, USA
Status: offline 		+1 if your happy, thats all that really matters. Have fun.


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RE: 8ight-T temps - 6/30/2008 5:42:12 AM   
Oasis TR


 

Posts: 707
Joined: 11/17/2006
From: visalia, CA, USA
Status: offline 		Don't get me wrong..I still use a temp gun also, I do write temp, conditions..ambient temperatures, time of day, settings..etc down in a race journal (i know what a dork..lol) it helps me understand how to stay ahead on my tuning..I have run some of my motors as high as 260 (it was 110 outside) and as cool as 190 (it was in the 40's)..conditions can change to drastically to rely on just a temp gun..i will never be offended by someone else's opinion on RC..it is your motor after all..

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RE: 8ight-T temps - 6/30/2008 10:49:19 AM   
Logi3


 

Posts: 108
Joined: 6/19/2008
From: Cardiff, UNITED KINGDOM
Status: offline 		Running at 190F is more likely going to damage your engine as the liner is not getting to a high enough temp to expand, your piston will be slamming into the liner which will be very tight, casuing stress to the rod etc

If you have healthy smoke and the car sounds good you cant go wrong. If it sounds good its running good, if its smoking it means the engine is getting lubrication. Up the track, some cars are running 230f screamign there balls off and the likes of the Go engines are running 260~270f screaming there balls off. Both puffing out blue smoke.

So it also depends on the engines too, try running a go engine at 230f it wont even be able to turn the wheels. I tried it, and the poor thing couldnt move! go it back up to 250 and it was running but groggy. litlle leaner (run at 265~270) and it was screaming with healthy smoke!

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RE: 8ight-T temps - 6/30/2008 1:12:43 PM   
SycoCell


 

Posts: 271
Joined: 1/28/2008
From: Punta Gorda, FL, USA
Status: offline 		Sounds good. Another thing:

My engine doesn't like to idle longer than lets say about 15-20 seconds. It sounds good idling, but then it slowly just dies out. I've heard these Mach's don't like to idle past 10 seconds. Is this okay?

< Message edited by SycoCell -- 6/30/2008 1:14:36 PM >

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RE: 8ight-T temps - 6/30/2008 2:16:54 PM   
Logi3


 

Posts: 108
Joined: 6/19/2008
From: Cardiff, UNITED KINGDOM
Status: offline 		Yea that nots too bad, the problem is that idling causes fuel to build up, so it ends up way rich and overloading the chamber. You want about 15-20secs as normally the car wont be upside down aslong as that.

Best thing to do if you car has been stationary for 10 seconds + is just lift it up and blip the throttle, clears the throat

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RE: 8ight-T temps - 6/30/2008 2:29:13 PM   
SycoCell


 

Posts: 271
Joined: 1/28/2008
From: Punta Gorda, FL, USA
Status: offline 		Yeah that's what I do. If i need to put the body on or something, i'll usually just tap the throttle or trim up the throttle and trim it back down when i go to use it again.

_____________________________

"I seemed to hit a speed bump!"
"No, that was just his Revo!"

(in reply to Logi3)