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06-29-2006, 11:12 AM
I think it sucked in some dirt through the exhaust system.....cause there are scratches on the bottom of the connecting rod and a small gouge in the piston......i always hade the air filter on there....the only way it could have gotten dirt in is becuase of the o.s. header, cause before i bought a some rubber things for the o.s. header to fit it wasnt making a seal.....so dirt must have gotten through there becuase i couldnt even shut the engine off with my finger on the exhaust, it would just keep running......
so im guessing that dirt got through the exhaust port then scrathced the bottom of the connecting rod and then it eventually made a litlle gouge on the piston.......not big enough for it to blow the engine but just enough for it to blow glow plugs and idle funny Losi 8ight with v-spec
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06-29-2006, 11:46 AM
sorry bud, but thats impossible lol
www.czech-it-out-graphics.com 1/29/07 never forget....TTT  Bringing old know-it-all blow hards back to reallity at a forum near you "Always Imitated, Never Duplicated"
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06-29-2006, 11:47 AM
I really doubt that it came thru the exhaust. It looks like you have alot of scrap on top of your piston.
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06-29-2006, 11:49 AM
Judging by the piston, there is a slight bit of detonation or pitting on the edges, prolly from the low deck height. The bead blasted look on top is from running lean. If i get a chance I will show you what the top one of my pistons loooks like
www.czech-it-out-graphics.com 1/29/07 never forget....TTT Bringing old know-it-all blow hards back to reallity at a forum near you "Always Imitated, Never Duplicated"
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06-29-2006, 12:15 PM
you may have been lean bottom rich top, or rich bottom lean top, and not have even know it. I am betting it was the second case.
www.czech-it-out-graphics.com 1/29/07 never forget....TTT Bringing old know-it-all blow hards back to reallity at a forum near you "Always Imitated, Never Duplicated"
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06-29-2006, 12:39 PM
That piston shows signs of running lean, I disassembled my 3.3 the other day and had a dark brown maple syrup color going.
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06-29-2006, 02:02 PM
ok.......well its weird cause becuase i went to hte track on tuesday I had a brown maple syrup like color ring and the rest was good.....i must have run too lean at the track and thats why it was blowing glow plugs.......how do i know if im too lean then?
Losi 8ight with v-spec
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06-29-2006, 02:21 PM
thatll do it, did u go to LH? those long ass straights. Did u re tune when u got there, i would recommend opening ur HSN about 4-5 hours before even hitting the track
www.czech-it-out-graphics.com 1/29/07 never forget....TTT Bringing old know-it-all blow hards back to reallity at a forum near you "Always Imitated, Never Duplicated"
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06-29-2006, 02:22 PM
Also, check and make sure your airfilter ain't dirty.
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06-29-2006, 02:26 PM
well the motor is shipped off to traxxas........they will hopefully figure out whats wrong with it.......oh and I just checked my temp gun, it works good now.
maybe it got screwed up when i dropped it 20 feet onto rocks cause travis didnt catch it. I dont think my temps are what are causing me to blow glow plugs, its something else. Losi 8ight with v-spec
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06-29-2006, 02:27 PM
Quote:
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