RC10GT RTR engine ?

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rctenracer
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RC10GT RTR engine ?

Post by rctenracer »

I have a gt rtr that has a locked up motor AE .15 . Looking to replace it with this motor .
http://www3.towerhobbies.com/cgi-bin/wti0001p?&I=LXJL59&P=ML

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RC10th
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Re: RC10GT RTR engine ?

Post by RC10th »

Stay away, those engines were terrible.


Something like this is better in my opinion even though it is only ABN cylinder construction.

http://www3.towerhobbies.com/cgi-bin/wti0001p?&I=LXBDKD&P=ML

I would even give this a try over the Traxxas engine.

http://www3.towerhobbies.com/cgi-bin/wti0001p?&I=LXELRE&P=ML



9 times out of 10 the locked engine can be cleaned up and put back together. If you haven't seen this already here is a Hyper .12 engine I cleaned up that was locked solid. You dont have to go to the extremes I went to to get your engine running.

http://www.rc10talk.com/viewtopic.php?f=78&t=39831
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rctenracer
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Re: RC10GT RTR engine ?

Post by rctenracer »

Great info. I'll tear down the engine and give the heat gun a try.

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RC10th
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Re: RC10GT RTR engine ?

Post by RC10th »

Heat gun is only used to remove bearings. I would pour a little WD40 or nitro fuel in the crank case and let soak for a few hours. A bit on top of the piston would help too.
I was old school - when old school wasn't cool !

rctenracer
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Re: RC10GT RTR engine ?

Post by rctenracer »

Got the engine down to short block and used WD-40 . After work I will work on it. This AE.15 has a SG crank ? I found some clutch nuts # 7602 and 7603 at local hobby shop 5 bucks for both. So I ordered that $39.00 dollar engine from tower .
http://www3.towerhobbies.com/cgi-bin/wti0001p?&I=LXELRE&P=ML

rctenracer
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Re: RC10GT RTR engine ?

Post by rctenracer »

All freed up , cleaned and reassembled with new o-rings and rear case gasket from OS. Engine is very tight to turn but ran a tank of fuel threw it on a bench stand with a mc59 plug and needles adjusted per the manual. Started a ran fine with a few pulls. It was just gummed up with old fuel that looked like tar both in the needles and piston . How do I keep it from getting gummed up again ? Stupid question but I am new to nitro.
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RC10th
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Re: RC10GT RTR engine ?

Post by RC10th »

Just run the engine out of fuel when you are finished for the day. Drain the tank and keep starting the engine till it no longer kicks, only takes about a minute or so.

You can use after run oil after if you like, it just protects the steel crank and bearing from rusting when you put it away. 6 -7 drops down the glow plug hole and a few down the carb is all you need, pull the engine over a few times and your done.


A few basic tips with nitro you always want to see smoke in the exhaust, if you can't hold the head for about 5 seconds it's too hot (220f is about the temps you want to see)
I was old school - when old school wasn't cool !

rctenracer
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Re: RC10GT RTR engine ?

Post by rctenracer »

Engine is all tuned in on my test stand. I am sure I will have to do a little tuning when I get it in the GT and put it under a load. Thanks for your info on the engine and the runnig temps. Broke the pull start twice and went with a tiger drive S-702 . Had to do some dremel work on bushing inside the case as it was pressed in to far causing a bind to the drive gear .
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RC10th
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Re: RC10GT RTR engine ?

Post by RC10th »

No problems, I look forward to hearing how your GT goes. Keep us posted.
I was old school - when old school wasn't cool !

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