Tuning help... I'm Lost

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Old 05-11-2012, 08:57 PM
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Ok, I will try that now, but while the engine was out of the car 2 days ago, I would be able to turn the engine very easily. It makes no sense to me due to the amount of fuel ran through it and how it was treated. This was also a sudden thing though, is it still possible the sleeve may be worn?
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Old 05-11-2012, 09:11 PM
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I just tried turning it over now and it does stop and become very hard to turn 3/4 of the way up, so its not a piston/sleeve problem, I don't think.
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Old 05-11-2012, 09:18 PM
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Yes it could already be worn out. If you run it wide open up the street a lot, that will wear it out quicker. Running it in dusty areas with the filter not properly oiled will allow fine dirt to enter the engine and will wear it(always oil both filters on the losi filter). Changing the plug with dirt all around the hole is not good. It should be able to hold itself at 3 o'clock when you hold it by the flywheel. If it flops on over, then its going to start giving problems like you describe.
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Old 05-11-2012, 09:23 PM
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I barely, barely run it WOT, if I do, its not for more than 1 second, I oil my filters and clean them when necessary. Maybe it is worn, I hope not though. Like I said, it wasn't very easy to turn the engine over.
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Old 05-11-2012, 09:26 PM
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Originally Posted by chopper82p View Post
I just tried turning it over now and it does stop and become very hard to turn 3/4 of the way up, so its not a piston/sleeve problem, I don't think.
That could be from extra oil left in the engine. Oil will help seal and will also take up space in the combustion chamber giving a ''false'' since of good compression. The best is to remove them from the engine. I would try different things(pipe,carburetor,air filter,whatever you can) first if you think the piston/sleeve is still good. Eliminate the easy stuff before moving into the engine.
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Old 05-11-2012, 09:38 PM
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I've got an engine that I thought still had good pinch when I turned it over through the flywheel opening but it would not run good when it got up to running temp. Pulled the p/s out and could push the piston through all the way out the top of the sleeve. I thought there was no way it should be worn out already.
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Old 05-11-2012, 09:50 PM
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That must be it, I'll check.
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Old 05-11-2012, 10:24 PM
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Yup, the sleeve is worn Time for a new engine.
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Old 05-12-2012, 09:08 AM
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You could send it to someone who pinches the sleeve. It works and only cost about 15-20 dollars. I've used rayaracing before with great results.
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Old 05-12-2012, 02:45 PM
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Originally Posted by Dirtdobber View Post
You could send it to someone who pinches the sleeve. It works and only cost about 15-20 dollars. I've used rayaracing before with great results.
Ray does an awesome job! Fast too!
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Old 05-12-2012, 04:07 PM
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Old 05-16-2012, 10:44 PM
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You could also replace the Piston/Sleeve. The SH #TE2831C is the same piston/Sleeve as the 454.
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