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Old 08-31-2009, 09:26 AM   #1
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Default glow plug promblems

Hey

i got a nitro 4 tec with a 3.3 engine and i keep fouling or burning my glow plugs after 1 use for about like 10-15 mins, if anyone noes how to slove this plzz reply. i am using 30% sport blue thunder nitro and i am using the super duty traxxas glow plug 3232x and i use ez start to start up the engine.

Thanks

Last edited by imran; 08-31-2009 at 10:10 AM.
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Old 08-31-2009, 09:43 AM   #2
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Originally Posted by imran View Post
Hey

i got a nitro 4 tec with a 3.3 engine and i keep fouling or burning my glow plugs after 1 use for about like 10-15 mins, if anyone noes how to slove this plzz reply.

Thanks

What percentage Nitro are you using, Plug and head clearance?
Too close an head clearance will foul and burn the plugs?
Are your needles very sensitive?

More info
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Old 08-31-2009, 10:12 AM   #3
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hey i am new to this and i dont noe what you mean by head clerance and also how can you change that
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Old 08-31-2009, 10:13 AM   #4
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Originally Posted by imran View Post
Hey

i got a nitro 4 tec with a 3.3 engine and i keep fouling or burning my glow plugs after 1 use for about like 10-15 mins, if anyone noes how to slove this plzz reply. i am using 30% sport blue thunder nitro and i am using the super duty traxxas glow plug 3232x and i use ez start to start up the engine.

Thanks
I would run 20% nitro if you do know your true head clearance. Also you may want to fattten up your highend needle
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Old 08-31-2009, 11:11 AM   #5
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if its burning(dull grey filament) then it means u have less fuel for burning.

but mostly its the head shim clearance that caused this sort of problem.
unscrew your heat sink and button head from the sleeve. add 1 or 2 more 0.1mm head shims between the sleeve and button head. still in doubt, just richen your high speed needle it should be ok if its not too hot.

just my 2 cents
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