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Old 06-05-2008, 07:14 PM   #1
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Default Nitro 4tec 3.3 stalling

Hello i just bought a nitro 4tec3.3 from my local hobbie shop,and had them break it in for me for 40 bucks,well after break in when i take it home, i try to use it and the car wont idle,it will just stall while trying to let it idle,but when i am pressing on the throttle it will work until i let go of the throttle,also i was wondering why my fuel when i flip it over to release the excess fuel from the exhaust it comes out like a dark brown,but my fuel is 33% traxxas topfuel,which is blue,oh and my car is all stock. i dont know whats going on with the dark brown fuel,i hope somethings not wrong with it.
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Old 06-05-2008, 09:46 PM   #2
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nothing wrong ......just alittle rich...just need to retune the engine....look at your manual and it tell you briefly how to tune your engine
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Old 06-06-2008, 05:28 AM   #3
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high side needle(on top) sounds to be rich, turn it in....yes the oil will turn brown after its burtn but there shouldnt be any coming out of the exhaust like that....... how much you pay for that 4-tec?
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Old 06-06-2008, 09:01 AM   #4
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ok its too rich ? whould i only lean the hsn ? oh and i payed 355 for it new
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Old 06-06-2008, 09:13 AM   #5
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START IT BACK UP.....TURN HIGH SIDE IN 1/4 TURN...RUN AND TEMP IT...MAKE SURE SHE IS AT AROUND 240-250
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Old 06-06-2008, 10:14 AM   #6
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The golden rule for all RTR's out of the box:

When in dought, lean it out.
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Old 06-06-2008, 10:30 AM   #7
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ok thank you i like that saying,and thanks for the temps i will have to go and buy a temp gauge today,should i get an on board or infared? is the onboard hard to install ?
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Old 06-06-2008, 11:05 AM   #8
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Quote:
Originally Posted by Yankeesfan239 View Post
ok thank you i like that saying,and thanks for the temps i will have to go and buy a temp gauge today,should i get an on board or infared? is the onboard hard to install ?
Get the infared. More acurate. easier to read. (run the car. get it up to temp) bring it over to ya, shoot it real quick with the temp gun right on the glow plug)
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Old 06-06-2008, 12:13 PM   #9
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HANDHELD.....ALL THE WAY
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Old 06-06-2008, 02:55 PM   #10
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ok now i got it running fine,just now my steering is messed up,it keeps going left,and im adjusting my steering trim on my controller,i cant figure out whats wrong.
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Old 06-06-2008, 03:27 PM   #11
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CHECK SERVO.....SEE IF ITS BINDING BY HAND(CAR OFF) THEN PLAY WITH REMOTE!
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Old 06-06-2008, 08:36 PM   #12
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ok hey i might know what the problem might be i was using the car today,and when i put it up on my workbench, i checked my tires,and my left front tire had a soft spot in it,and all my tires arent on very tight all the way like they should be,so i will try it tommorow with new tires from my hobbie shop,and also i will have to make them really tight,i didnt know that you should tightn them after each play day
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Old 06-06-2008, 08:51 PM   #13
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you need foams they last longer
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