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tmaxx problem - 12/23/2012 8:05 PM   
will19984713


 

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From: LEicester, UNITED KINGDOM
Status: offline 		 hi i am new to this so hope i am doing the correct thing. i have a traxxas tmaxx with a dynamite mach .26 engine. when i open the throttle for hard acceleration then engine just revs up and the car doesnt really speed up. i have put new clutch shoes in it amd it still does the same thing. any help with this would great.
thanks in advance 
will

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RE: tmaxx problem - 12/23/2012 9:11 PM   
Quickywd01



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Status: offline 		Slipper clutch on the outside of the transmission.

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RE: tmaxx problem - 12/23/2012 9:28 PM   
will19984713


 

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Status: offline 		 hi thanks for that. i tightened that right up and it is still doing it.  any other suggestions. 

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RE: tmaxx problem - 12/23/2012 9:56 PM   
ejc34710


 

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Status: offline 		Did you lose rear wheel drive by any chance? If the clutch is fine, slipper is ok, you may have damaged something in the tranny. Check to make sure all the pins are in the center driveshafts too.

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RE: tmaxx problem - 12/23/2012 10:03 PM   
will19984713


 

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Status: offline 		 hi thanks for the reply, i havent lost rear wheel drive. its a strange one. i have a replacement gearbox so i will put that in tommorow but if i hold the truck down and turn the spur gear its all tight and wont move until i let go of the wheels so seems as if the gearbox is ok. would the clutch bell be worn inside? i have put a strengthened set of tmaxx clutch shoes in
thanks will

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RE: tmaxx problem - 12/23/2012 10:04 PM   
countilaw



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Status: offline 		Check the adjustment on the  brake  lever.    It may be  too tight  and  holding the brake on.    There should be a little  play in it from front to back. 

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RE: tmaxx problem - 12/23/2012 10:16 PM   
will19984713


 

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Status: offline 		 hi the truck rolls freely and movrs fine under light throttle its when you ooen the throttle for hard acceleration the engine revs right up and the truck doesnt speed up  
thanks 

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RE: tmaxx problem - 12/24/2012 2:44 AM   
thebeave


 

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Status: offline 		Are your clutch shoes in backwards?

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RE: tmaxx problem - 12/24/2012 3:34 AM   
ejc34710


 

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Status: offline 		Yea, if you can spin the spur and all seems well (taking it you have the grey tranny, otherwise truck wouldn't move) then sounds like something up with the clutch.

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RE: tmaxx problem - 12/24/2012 8:17 AM   
will19984713


 

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From: LEicester, UNITED KINGDOM
Status: offline 		 hi i have the black transmission with reverse removed. i will check the shoes. how do i know whixh way to have them 
thanks 

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RE: tmaxx problem - 12/24/2012 9:16 PM   
will19984713


 

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Status: offline 		 hi i have changed the shoes round and it has made   drastic improvements but it still wont accelerate hard from standing without revving really high and going not very far. if i accelerate softly and then open the throttle hard its ok. anyone have any ideas? i have put a high stall set of shoes in it. 
thanks 

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RE: tmaxx problem - 12/24/2012 10:29 PM   
proptop



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Status: offline 		I would check the slipper again...take it apart and have a look...
A time or two I have seen where the slipper's little red pegs have gotten so hot, that they have melted and distorted the plastic holes in the spur. They get all buggered up and at funny angles instead of being in alignment. It really effects how well the slipper functions (or doesn't )

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RE: tmaxx problem - 12/24/2012 10:34 PM   
will19984713


 

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Status: offline 		 thanks very much i will look into this tommorow. merry christmas all 

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