RCU Forums - 3.3 engine prob

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jatoblack23

05-23-2010 10:34 PM

3.3 engine prob

i was out playing with my jato when it starting to bogg i check the temp and it was fine then it turn off no noise, then i tried to start it bac up and it was locked i tried to move the piston with the flywheel that was pretty hard but itmoved. i took apart the engine and saw that there was metal in there i saw a little pieceof metalthat holds the rodin the piston(the piston is fine)chipped and thats what caused the engine not to rotate. should i replace the piston and sleeve or get another engine for my jao 3.3?

jatoblack23

05-23-2010 10:40 PM

RE: 3.3 engine prob

can i use an piston and sleeve from another traxxas motor?

bigdogkanicsar

05-24-2010 01:48 AM

RE: 3.3 engine prob

Quote:

ORIGINAL: jatoblack23

i was out playing with my jato when it starting to bogg i check the temp and it was fine then it turn off no noise, then i tried to start it bac up and it was locked i tried to move the piston with the flywheel that was pretty hard but itmoved. i took apart the engine and saw that there was metal in there i saw a little pieceof metal that holds the rod in the piston(the piston is fine) chipped and thats what caused the engine not to rotate. should i replace the piston and sleeve or get another engine for my jao 3.3?

you should be able to replace piston/sleeve assembly. if your going to take one from another engine, you should take crank and all. inspect the bearings to make sure there is no damage.

CarGuy7a

05-24-2010 02:39 AM

RE: 3.3 engine prob

You may be better off doing the Traxxas ERP rather than rebuilding it. The piston/sleeve and a rod would cost more than a new mill.

bigdogkanicsar

05-24-2010 11:57 AM

RE: 3.3 engine prob

Quote:

ORIGINAL: CarGuy7a

You may be better off doing the Traxxas ERP rather than rebuilding it. The piston/sleeve and a rod would cost more than a new mill.

i have to agree

TossinDirt

05-24-2010 08:50 PM

RE: 3.3 engine prob

Totally agree with the replacement option from traxxas. I tried the rebuild and after pushing the sleve out I just decided to do the swap. $100.00 is about what it runs to do this. Parts alone will cost you roughly 75-90 anyway. this way you let them build it and all you have to do is break it in.

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