RE: XL sluggish  
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RE: XL sluggish - 10/12/2008 6:52:19 AM   
BudBud



Posts: 3752
Joined: 12/21/2006
From: Salina, KS, USA
Status: online
quote:

ORIGINAL: steinersamuel

Thanks Bud. It smokes like a mother runnin around there. Is this normal for this truck? Thanks Sam


They do put off quite a bit of exhaust smoke. If they are not, they are going to be too hot. Looks like a blue con trail.....

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Doing my best to fill a 55 gallon drum with broken or worn out R/C parts.... 8^)

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       Post #: 26

RE: XL sluggish - 10/12/2008 9:14:12 AM   
gravediggerracing



Posts: 3962
Joined: 7/21/2005
From: SW Burbs of Chitown, IL, USA
Status: offline 		Fuel with a high oil content can make your Savage a mosquito fogger. Keep the oil at 12% max.

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RE: XL sluggish - 10/12/2008 6:00:20 PM   
steinersamuel


 

Posts: 61
Joined: 1/12/2007
From: Chelsea, MI, USA
Status: offline 		Got to run her a little this morning, still sluggish. The motor mount loosend up and forced me to stop. When I toor it down to fix it I noticed a pile of oil residue on the motor. Possible air leak? Seams to be coming from around the rotostart area. I'm gonna also put the stock bumpers back on along with taking off the whole reverse system off as well. Put the stock exhaust on as well, and see what happens.Thanks Sam

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RE: XL sluggish - 10/12/2008 6:30:12 PM   
BudBud



Posts: 3752
Joined: 12/21/2006
From: Salina, KS, USA
Status: online 		It is normal for the backing plate-roto-starter to seep a little through that roto-shaft. However, you may have a leaking backing plate itself, which will give you tuning issues that can drive you crazy, including sluggish performance and high temperatures. There is a simple cure....

Remove the engine, remove the starter, remove the backing plate. I use Permatex Ultra Copper, their part number 101BR, available at all fine auto parts stores. It came recommended to me and it worked great, so I have always used it. Other people use Ultra Black, Ultra Blue... they are basically the same, just different temperaure ranges.... The cheaper silicone gasket maker will not work as it becomes solvent on nitro fuel and will become long stringy globs of goo. Anyway, I use a Q-tip to apply it, some people use plastic applicators or their fingers. My fingers always seem to get involved too. A very thin coat is all you need.






While we are addressing these types of leaks, the base of the carburetor is another great source. Same thing, a thin coat right at the top flange. The engine photographed is a Orion 26 made by Picco, but yours will be very similar.





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Doing my best to fill a 55 gallon drum with broken or worn out R/C parts.... 8^)

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       Post #: 29

RE: XL sluggish - 10/14/2008 3:08:47 AM   
steinersamuel


 

Posts: 61
Joined: 1/12/2007
From: Chelsea, MI, USA
Status: offline 		BUDBUD, Thanks very much for the pointer and great pic( I'm a visual learner). This is next on my list, I was thinking of doing somthing like this, but was unsure of what to use that would hold up to nitro. Again thanks a bunch, I'll keep you posted. Thanks Sam

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       Post #: 30

RE: XL sluggish - 10/19/2008 12:52:44 AM   
steinersamuel


 

Posts: 61
Joined: 1/12/2007
From: Chelsea, MI, USA
Status: offline 		I finnaly got the truck back together and ran and tunned it, and it is a beast. This thing runs like a raped ape. Thanks soo much for everyone's help. my truck will now blow over backwards from a dead git . by the way, the integy parts don't slow it down a bit . thanks everyone. Sam

< Message edited by steinersamuel -- 10/19/2008 12:53:28 AM >

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RE: XL sluggish - 10/19/2008 2:25:20 AM   
BudBud



Posts: 3752
Joined: 12/21/2006
From: Salina, KS, USA
Status: online 		I take it that stopping the air leaks got her ripping for you? If so, glad I was able to help you out. Bud

_____________________________

Doing my best to fill a 55 gallon drum with broken or worn out R/C parts.... 8^)

(in reply to steinersamuel)
       Post #: 32

RE: XL sluggish - 10/19/2008 3:06:24 AM   
steinersamuel


 

Posts: 61
Joined: 1/12/2007
From: Chelsea, MI, USA
Status: offline 		Bud, I think you hit the nail on the head sir. u da man, and thanks again

(in reply to BudBud)
       Post #: 33

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