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REVO 2.5r problem. please help!

REVO 2.5r problem. please help!

Old 07-10-2005, 08:04 PM
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Default REVO 2.5r problem. please help!

i have the revo with the 2.5r and today was a bad day at the track, everytime i would take the ignitor off my engine, it would shut off, i tried almost everything. i tuned it, and two other guys tried tuning it so i dont think it was that.. i replace the fuel line, went through 4 glow plugs 2 medium, one cold, and one hot.. checked my o ring seal on the tank, checked the head gasket..pretty much all i could think of. the only thing that i didnt do was try my stock pipe, this was my first time running my vantage pipe, but i dont see how that would be the problem.

PLEASE HELP!!
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Old 07-10-2005, 11:15 PM
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If the engine was cold it is always a good idea to leave the glow ignitor on for a few more seconds then normal.Adjust your idle screw clockwise also.

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Old 07-11-2005, 09:25 AM
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ya i tried that... i drove around with the ignitor still in the engine . then pulled it out and it cutt off
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Old 07-11-2005, 09:26 AM
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clockwise would make the idle higher right? the idle is already real high
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Old 07-11-2005, 09:27 PM
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Default Header Crack?

Check to make sure you don't have a crack in your header. Happened to me this weekend (mine would stay running but had no bottom end at all - Also made a mess at the rear of the engine). Just a thought.
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Old 07-12-2005, 08:33 AM
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nope.. there is no crack that i could find.
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Old 07-12-2005, 08:53 AM
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Default stumped..

I would think its the glow plug. It sounds like the heat is not staying on which results forom the glow plug. Let us know what your find out....
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Old 07-12-2005, 09:37 AM
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my engine kept roasting glow plugs, i went through 4, 1 cold 2 med and 1 hot, the hot did a lil better but it still cut off, it would also cut off mid way when i was giving it throttle.
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Old 07-12-2005, 08:49 PM
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Try using a higher % nitro fuel.Should keep glow plug temps down a little.

Sean
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Old 07-12-2005, 10:48 PM
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make sure that little red thing that pinches the gas line is unpinched
Yesterday i spent 20 min trying to figure out what was wrong with it until my dad who knows NOTHING about it, comes up looks at it and says "dont you have to unpinch that red thing?"
i felt so stupid! LOL
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Old 07-13-2005, 11:42 AM
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The Vantage Pipe is going to let the engine breath alot more,BUT....I dont know for sure I havent owned a carbon fiber pipe before..But switching from an aluminum pipe to carbon fiber will make the engine run hotter because the stock pipe acts like a heatsink pulling heat away from the engine,Sounds crazy I know but you did state that you were going through plugs,but didnt state if the coil was all deformed,So you might have to tune just a little on the rich side,Just My O2 not Fact I know when I went from a Trinity Revo pipe back to the stock pipe(bad gasket didnt have one)I could tell a huge difference in power and had to retune the engine,The stock pipe just doesnt flow as much air.
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Old 07-13-2005, 02:32 PM
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didnt have a red cut off thing on it.. i am running 30%.. and the plugs werent deformed, just burnt. but i found a good solution, I GOT A NEW MOTOR.
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Old 07-17-2005, 06:40 AM
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Hi All! Has anyone here on the forums had any experienced with the HotBodies cooling head for the TRX 2.5, as far lowering the temps of their engine? Thx!
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