+ Post New Thread
Threads 1 to 21 of 21

Forum: TRX Engines

Troubleshooting Traxxas engines, tips, tricks, hop-ups. Be sure to specify Pro .15, TRX 2.5 or TRX 3.3 in your post.

  1. Sticky Thread Sticky: Tuning your TRX Engine

    Want to get the best performance from your engine? Read these articles: How To Start and Tune the TRX 2.5/3.3 Racing Engine How To Tune the TRX...

    Started by captainharlock‎, 10-04-2002 02:53 PM
    4 Pages
    1 2 3 4
    • Replies: 123
    • Views: 82,623
    08-01-2012, 10:12 AM Go to last post
  1. Lightbulb Nitro 2 cycle engines & superchargers/turbos debate

    There's so much debate about boosting nitro engines so I wanted to get your guys opinion on the subject. To me it doesn't seem possible to get a...

    Started by Chaotichamster‎, 04-21-2013 08:04 AM
    2 cycle, nitro, supercharger, turbo, turbocharger
    • Replies: 5
    • Views: 386
    04-22-2013, 06:17 PM Go to last post
  2. 5204 and 5206 2.5 engines

    what would you use the 5204 and the 5206 engine on? would it work with the nitro sport?

    Started by sacjc4‎, 07-29-2009 01:46 PM
    • Replies: 1
    • Views: 1,063
    04-25-2013, 07:16 PM Go to last post
  3. Carb settings out of the box?

    First I'd like to say that I couldn't be more proud of the life of my last 3.3. Apparently It was some kind of record. I was on the 4th tank of my...

    Started by Mark Ball‎, 04-27-2013 10:31 AM
    • Replies: 3
    • Views: 166
    04-27-2013, 01:55 PM Go to last post
  4. 3.3 goes by itself

    After my 3.3 heats up a bit the car will go by itself after letting go of the break, what do i need to adjust?:wacko:

    Started by slash4x4baja‎, 04-13-2013 07:34 PM
    trx 3.3
    • Replies: 5
    • Views: 373
    04-28-2013, 09:47 AM Go to last post
  5. after run oil on 3.3

    if i use my t-maxx 3.3 today and plan on using it tomorrow for sure do I still have to do the after run oil procedure? what is the max amount of time...

    Started by 2010‎, 05-01-2013 01:06 PM
    • Replies: 1
    • Views: 157
    05-01-2013, 01:27 PM Go to last post
  6. zip tie air intake tube to carb on trx 3.3??

    On my new tmaxx 3.3 4907 i noticed the air intake tube just slides into carb with no zip tie or clamp? is that ok for good seAL?

    Started by 2010‎, 05-01-2013 01:07 PM
    • Replies: 1
    • Views: 178
    05-01-2013, 01:27 PM Go to last post
  7. 3.3 breakin question

    Just got a new 3.3 for my tmaxx.. the break in procedure says body off for first tank then body on for the rest.. do I need to have the body on for...

    Started by madmaxx2.5r‎, 05-03-2013 02:42 PM
    • Replies: 2
    • Views: 189
    05-04-2013, 07:02 AM Go to last post
  8. after storage woes

    my revo with the 2.5R engine has been in storage for almost 2 years. well, i pulled it out to get it ready to run, and alas, the motor is siezed. i...

    Started by dustystix‎, 05-05-2013 12:31 PM
    • Replies: 4
    • Views: 237
    05-08-2013, 08:37 AM Go to last post
  9. whats better 3.3 or .26 picco

    I wood like to know the engine is better 3.3 or .26picco

    Started by rioyellow‎, 05-09-2013 08:44 AM
    • Replies: 1
    • Views: 157
    05-09-2013, 11:43 AM Go to last post
  10. 2.5 won't start

    Hey i have a trx 2.5 and it will not start even with pull start i kill a 7.2 volt batery on the ez start i had the same problome before on this...

    Started by riley n‎, 04-18-2013 02:31 PM
    • Replies: 2
    • Views: 256
    05-10-2013, 08:22 PM Go to last post
  11. Engine Question

    Hello all, New to the forum and new to RC cars I was helping a buddy move and he found an old Nitro rustler pro .15 thats been sitting in his garage...

    Started by obidya‎, 04-27-2013 09:53 AM
    • Replies: 4
    • Views: 243
    05-10-2013, 08:31 PM Go to last post
  12. how do i tell if a nitro engine is worn out?

    ok so i just finished replacing all my parts and i put a trx .15 in my tmaxx i got the engine used but it all looks great inside and out so anyway i...

    Started by nathan8856‎, 04-02-2013 09:22 PM
    • Replies: 10
    • Views: 507
    05-13-2013, 03:45 PM Go to last post
  13. help me with a gross motor.

    i picked up a couple trucks for 80 bucks. both nitro. question is, one of the engines is full of rusty sludge and the carb is seized (rotary carb)....

    Started by smp‎, 05-13-2013 10:40 PM
    • Replies: 8
    • Views: 137
    05-14-2013, 10:11 PM Go to last post
  14. Motorsaver mod

    Just wondering if someone has the steps to mod the traxxas filter neck onto the motorsaver filter housing? The link to the misbehaving website...

    Started by Ozrevoguy‎, 05-01-2013 07:44 PM
    • Replies: 7
    • Views: 311
    05-15-2013, 03:35 AM Go to last post
  15. First attempt at port and polish

    This is my first attempt at a port and polish job on the sleeve and crank. This motor is a wore out 3.3 I used for practice so I wouldn't destroy a...

    Started by CarGuy7a‎, 03-02-2013 09:24 PM
    • Replies: 12
    • Views: 862
    05-15-2013, 08:39 AM Go to last post
  16. stupid question but

    I pulled my 3.3 out to work on the car set the engine on a shelf over some paper came back the next day and had a mini puddle of fuel right above...

    Started by dustyfingerz‎, 05-15-2013 08:48 PM
    • Replies: 5
    • Views: 153
    05-17-2013, 09:21 PM Go to last post
  17. Trx2.5 Running Issue

    So a few days ago I was helping my dad move some stuff in the shop and I found his Nitro Rustler that he bought a few years ago, we hadn't driven...

    Started by kylerustler58‎, 05-17-2013 07:46 PM
    issue, problem, running, traxxas, trx2.5
    • Replies: 2
    • Views: 48
    05-18-2013, 06:12 AM Go to last post
  18. Turbo Head Button

    Does traxxas sell a turbo head button or even a regular head in the button form for the 3.3?

    Started by kshoulde35‎, 05-13-2013 03:52 PM
    • Replies: 4
    • Views: 110
    05-18-2013, 06:23 AM Go to last post
  19. Lightbulb Weird engine issue

    Hi, Not sure what to search for so I'll describe the problem: My 2.5 engine seems to run fine, blue smoke, decent acceleration, etc but when I...

    Started by Stefan042‎, 04-24-2013 04:16 PM
    • Replies: 5
    • Views: 331
    05-18-2013, 05:57 PM Go to last post
  20. tuning question 3.3

    ok today I took out my tmaxx and tuned it on which I think just right. good low end power it wants to wheelie and good top end power and coming to a...

    Started by 2010‎, 05-18-2013 06:21 PM
    • Replies: 1
    • Views: 45
    05-18-2013, 07:13 PM Go to last post
  21. Best place online to buy nitro fuel...

    Since the hobby shop is not so close for my house, its kind of far... Anyone have any recommendations to buy 20 percent nitro fuel online? Any brands...

    Started by 2010‎, 05-15-2013 10:56 AM
    • Replies: 8
    • Views: 210
    05-18-2013, 10:20 PM Go to last post

Forum Information and Options

Moderators of this Forum

Thread Display Options

Use this control to limit the display of threads to those newer than the specified time frame.

Allows you to choose the data by which the thread list will be sorted.

Order threads in...

Note: when sorting by date, 'descending order' will show the newest results first.

Icon Legend

Contains unread posts
Contains unread posts
Contains no unread posts
Contains no unread posts
More than 15 replies or 150 views
Hot thread with unread posts
More than 15 replies or 150 views
Hot thread with no unread posts
Closed Thread
Thread is closed
Thread Contains a Message Written By You
You have posted in this thread

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts