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thunder tiger ek4-s2 running in

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Old 01-18-2004, 06:19 PM
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tiger e.k.4 s2
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Default thunder tiger ek4-s2 running in

just purchased ek4 s2 any bodys thoughts or experience in running in this beast of a truck no problem starting on first 2 tanks
but would not start until i replaced glow plug is this normal ? i am following running in instructions on 4th tank high speed needle
2.5 turns out is this a common problem when running in . this is the first nitro truck i have ever owned .
any comments or thoughts i would apreciate.

this truck goes like a rocket on 1/4 throttle love that pro 70 bxr engine
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Old 01-18-2004, 11:52 PM
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RC Jack
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Default RE: thunder tiger ek4-s2 running in

Running your engine with only 2.5 turns out on the high side WILL FRY YOUR ENGINE...LITERALLY!!! Ringed engines are made to run rich and run better when they do, not to mention, they also last longer. Unless you really enjoy hearing that engine SCREAM and can afford piston rings at $15 EACH, I'd set the carb by this break-in:

During break-in, turn the
high speed needle 4-4.5 turns out from closed.
mid...flush
low....1 7/8- 2 turns

After you break the engine in, which will require at least a gallon, you can then set the HSN to 3.5-4 turns out from closed. As for the glow plug that came with your engine, I'd throw it out and use an OS or a McCoy. The stock plug will cause you nothing but grief. Also, make sure the fuel you use has 20% oil content. Nitro content isn't as important the oil content, tho, most go with 20-30% nitro.

I had, (past tense), an EK, one of the first ones and got run over. I have since rebuilt it...MY WAY! [link=http://www.radiocontrolzone.com/forums/showthread.php?s=&threadid=138666&perpage=25&pagenumber=2]PIE WAGON.[/link]
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