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Roughly has long does a piston/sleeve last?

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Old 06-11-2003, 05:51 PM
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Bacchuss
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Default Roughly has long does a piston/sleeve last?

I have a Savage 21 nitro truck and am just wondering roughly how long before i would need to replace the piston/sleeve?

Assume the engine is run with great gas, properly tune and maintained.

I thought i read somewhere they can be worn out in 3 gallons of gas? that sucks if that is the case piston/sleeve ain't cheap....heck you can burn 3 gallons of gas in a month easy.
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Old 06-11-2003, 05:53 PM
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Default Roughly has long does a piston/sleeve last?

well... iver heard anywhere from 3-5 gallons depending on how you run your truck.
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Old 06-11-2003, 06:00 PM
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Default Roughly has long does a piston/sleeve last?

Keeping the temps down is the biggest factor. If you run it on the hot side for performance (270-290) than I'd say you can expect 3-5 gallons. Keep it cool (220-240) and I'd say the upside of 6-7 is reasonable. All this depends mostly on keeping a clean air filter, dirt and dust kills these engines.
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Old 06-11-2003, 06:02 PM
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Default Roughly has long does a piston/sleeve last?

Thatsaboutrigt. 3-5 gallons is on acheap engine tho.

Some ofthe more expensive engines will give ya about 5 to even 10 gallons or more.

Speakin of which I just remembered that I have all the ingredients for a "custom" fuel mixture but I've yet to touch it. I'm hoping that adding a little castor to the fuelwill increase its longevity but.. enough on fuel.

Temperature is the most important. And contrary to popular belief LESS is NOT BETTER.
There a range at which the engine willrun best. USually its around225-240.
But again some engines will run better when run hot upto 275.

(sorry.. bad keyboard)
-ram
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Old 06-11-2003, 06:05 PM
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Default Roughly has long does a piston/sleeve last?

yeah i plan on keeping the engine temp down much as possible...i can't believe thats all they last.....this dang hobby is way expensive....but still i love it
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Old 06-12-2003, 12:59 AM
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Default Roughly has long does a piston/sleeve last?

my stock savage didn't even last a gallon..
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Old 06-12-2003, 03:10 AM
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Default Roughly has long does a piston/sleeve last?

and how lean and hard did you run your engine?
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Old 06-12-2003, 03:15 AM
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Default Roughly has long does a piston/sleeve last?

Not very hard. and about 250-270 range

But i think adding my big joe tires had alot to do with it. I still had the stock clutch bell and shoes, and i don't think the stock engine could handle the bigger tires.
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Old 06-12-2003, 03:21 AM
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Default Roughly has long does a piston/sleeve last?

pry couldnt, well what engine did you replace it with just dont leave me out here!!
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Old 06-12-2003, 03:26 AM
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Default Roughly has long does a piston/sleeve last?

I just put a new piston/sleeve in the old engine tonight, will break in tomorrow.

I have a .26 on order. Was just going to replace blown .21 but that was a month ago, got sick of just looking at my truck, so i found the piston sleeve and arm for 56.00 on ebay so i purchased it to tie me over til the 26 gets in stock.
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Old 06-12-2003, 03:27 AM
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Default It does not have to cost a lot to last long!

I have gotten 8 or more gallons out of my TRX Pro on my Stampede! I have gotten 5-6 out of my Duratrax Torq .21 and both are still running good! I have put a new Torq .21 in the Maxx I just finished and it is running better then I could have ever exspected it to! It has enough power and is very fast and it will not rip out my drive train also it runs very cool at around 220-230!
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