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trx 3.3

Old 04-17-2008, 02:10 PM
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jayrguidaben
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Default trx 3.3

has any one of you have heating problems on a 3.3 on a t-maxx.
Old 04-17-2008, 02:11 PM
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Clymer122693
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Default RE: trx 3.3

What kind of issues? not getting hot enough or getting too hot in temps?
Old 04-17-2008, 02:15 PM
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jayrguidaben
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Default RE: trx 3.3

getting hot. because all i see is most of the 2.5 got over heating issues. i just want to campre it to 3.3
Old 04-17-2008, 03:16 PM
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iamnot
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Default RE: trx 3.3

every engine can have over heating issues

air leaks and poor tuning will do it to any engine

the 2.5 series are fine engines
a bit finicky to tune maybe
but no more inherently prone to overheating than any other nitro

the 3.3 is a good motor too
Old 04-17-2008, 03:31 PM
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jayrguidaben
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Default RE: trx 3.3

your right on finicky to tune on the 2.5 but on the 3.3 is it the same finicky to tune? because i have a new 3.3 now and tired of retuning again and again on 2.5 and just waiting to lose compression
Old 04-17-2008, 03:33 PM
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Default RE: trx 3.3


ORIGINAL: jayrguidaben

has any one of you have heating problems on a 3.3 on a t-maxx.
Yes TRX engines are prone to premature engine failure. Just look on this forum, every other thread is "problem with 3.3" "3.3 over heating", do yourself a favor and replace the TRX motor with anything other then a TRX motor. Actually you could put a wheel with a rat running on it probably would be more reliable
Old 04-17-2008, 03:39 PM
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jayrguidaben
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Default RE: trx 3.3

i already did search on this forum but there is only a few having problems on 3.3 but a lot on a 2.5. just wanna make sure before i put the new motor.
Old 04-17-2008, 03:57 PM
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slayerphonics
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Default RE: trx 3.3

ORIGINAL: jayrguidaben

i already did search on this forum but there is only a few having problems on 3.3 but a lot on a 2.5. just wanna make sure before i put the new motor.
Only a few?!



Oh BTW another new post about TRX engines

http://www.rcuniverse.com/forum/m_7386020/tm.htm

This is sad.

Good luck on that 2.5
Old 04-17-2008, 05:12 PM
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Clymer122693
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Default RE: trx 3.3

Most of those posts are by noobs BTW.

Once again,If TRX engines are such crap then why does so many people from all over the world use the 3.3?
Old 04-17-2008, 05:20 PM
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Default RE: trx 3.3


ORIGINAL: Clymer122693

Most of those posts are by noobs BTW.

Once again,If TRX engines are such crap then why does so many people from all over the world use the 3.3?
They use them because they come in there truck then when it blows up the replace it with something better.

Its an RTR motor like most RTR motors they just are not that good. Revo and the t-maxx is a great monster trucks, but Traxxas engines are just not up to par.
Nobody is replacing there OS,RB,Sirio,Nova,GRP,Picco,LRP or Gotech with a traxxas engine.
Old 04-17-2008, 05:28 PM
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Clymer122693
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Default RE: trx 3.3

Not everyone does. The 3.3 has a much smoother power band then most smallblocks for the revo and that is why alot of racers including myslef use the 3.3. I keep my 18tm as a back up engine.
Old 04-17-2008, 05:45 PM
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Default RE: trx 3.3

i like the trx 3.3 enines and these problems are coming from first time engine users....all new engine users blow there first engine i did. its no uncommon its the learning curve.
Old 04-17-2008, 05:54 PM
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Default RE: trx 3.3

On my first revo with my first trx 3.3 and starting gallon number 6 and after my initial noobness getting the tune dialed in, it has run like a total champ. I tear it down after every gallon just because and the engine is in excellent shape. If I lock the slipper clutch, firm up the rear suspension, it still is a wheelie king. I run it WOT quite a bit. Maybe because I haven't owned another engine I don't know any better, but when this one wears out I'm just going to get another TRX 3.3. I do run the thing on rich side, but since I only bash, it works great.

Old 04-17-2008, 06:51 PM
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Default RE: trx 3.3

well not all noobs but most noobs.
Old 04-17-2008, 06:56 PM
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Default RE: trx 3.3


ORIGINAL: [email protected]

i like the trx 3.3 enines and these problems are coming from first time engine users....all new engine users blow there first engine i did. its no uncommon its the learning curve.

I agree here with MJAson2305 most problems(not all, but quite a few) do in fact come from first time users but usually they get over that once they get the hang of tuning a nitro engine after several times of doing it repeatedly. i didnt blow my first engine, but naturally I did make mistakes.....just like any first timers....[)]
Old 04-17-2008, 08:49 PM
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jayrguidaben
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Default RE: trx 3.3

should i change the engine now to 3.3 or wait until it loose compression?
Old 04-17-2008, 09:39 PM
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Default RE: trx 3.3


ORIGINAL: jayrguidaben

should i change the engine now to 3.3 or wait until it loose compression?
that would be totally personal preference
balanced, of course
by your state of finances

(if you can afford to do it now, why wait?)
Old 04-18-2008, 07:46 PM
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Default RE: trx 3.3

ORIGINAL: slayerphonics


ORIGINAL: jayrguidaben

has any one of you have heating problems on a 3.3 on a t-maxx.
Yes TRX engines are prone to premature engine failure. Just look on this forum, every other thread is "problem with 3.3" "3.3 over heating", do yourself a favor and replace the TRX motor with anything other then a TRX motor. Actually you could put a wheel with a rat running on it probably would be more reliable
Well, two things cause that
1. there is more TRX motors than aftermarket motors, so the breakage rate is higher.
2. There is allot of noobs with TRX engines who don't know how to tune.


I have a 2.5R on my npede and I absolutely love it. Never overheated. Runs well. I would buy another in a heartbeat if I needed one.

Here is some pics for proof that I own a TRX:

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Old 04-19-2008, 03:04 AM
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jayrguidaben
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Default RE: trx 3.3

thanks guys for all the reply. i just put my 3.3 a while ago. im gonna break it in tom. just found out on my 2.5 there is an air leak on the carb.

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