Only two wheel drive and engine trouble.  
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All Forums >> RC Cars, Buggies, Trucks, Tanks and more >> Exceed RC Support - Nitro Cars >> Only two wheel drive and engine trouble.
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Only two wheel drive and engine trouble. - 9/11/2008 12:32:59 AM   
cirec


 

Posts: 120
Joined: 12/24/2007
From: , TX, USA
Status: offline 		I have all the parts installed and I still only get two wheel drive.Only the back wheels spin.I can't start the engine anymore.I started it once and after a few seconds it stopped.I think it's because I didn't break the engine in since when I first got the Forza I couldn't figure out how to start the engine without it going on full throttle. If the engine is ruined I don't know if I should save up for something to race or get a Redcat Volcano for bashing.
       Post #: 1

RE: Only two wheel drive and engine trouble. - 9/11/2008 1:44:31 AM   
firebird78


 

Posts: 1540
Joined: 12/24/2007
From: lewis, KS, USA
Status: offline 		if you turn the center shaft going to the front diff does you front wheels turn?....any idea on how many turns from all in your carb adjustment screws are?...if you turn the flywheel by had does it turn free then hard then free again?

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(in reply to cirec)
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RE: Only two wheel drive and engine trouble. - 9/11/2008 4:10:31 AM   
yadac123


 

Posts: 849
Joined: 9/17/2005
From: , CA, USA
Status: offline 		spin your main gear in the gear box, does it spin the dog bone that connect to your front differential?

Andy

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RE: Only two wheel drive and engine trouble. - 9/11/2008 6:42:41 AM   
cirec


 

Posts: 120
Joined: 12/24/2007
From: , TX, USA
Status: offline 		The dogbone that connects to the front differential dosen't spin when I spin the main gear.The flywheel does turn freely and then it becomes hard to turn.

(in reply to yadac123)
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RE: Only two wheel drive and engine trouble. - 9/11/2008 7:17:07 PM   
tihstae


 

Posts: 577
Joined: 12/27/2007
From: Mesa, AZ, USA
Status: offline 		ok well i would check the grub screw on the main gearbox, that may have some loose, or your dogbone broke or something. Also how hard is it to turn the flywheel by hand, because if your engine is blown, you wont have much pinch, which is where it gets hard to turn at the top, these engines need that pinch to run, if you didnt break it in and you blew it, then it probably wont have pinch and you will have to get it repinched, or get a new piston and sleeve. put your settings on your carb back to factory, 2 1/2 on the hsn, flush with the collar on the lsn, and a 1-2 mm gap on the idle

(in reply to cirec)
       Post #: 5

RE: Only two wheel drive and engine trouble. - 9/13/2008 12:58:59 AM   
yadac123


 

Posts: 849
Joined: 9/17/2005
From: , CA, USA
Status: offline 		if you spin the front diff does both front wheel spin? if yes then the problem is at the gear box

Andy

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RE: Only two wheel drive and engine trouble. - 9/27/2008 3:06:45 PM   
cirec


 

Posts: 120
Joined: 12/24/2007
From: , TX, USA
Status: offline 		If the problem is the gearbox then would it effect the brakes for the front wheels?The brakes only stop the back wheels.

(in reply to yadac123)
       Post #: 7

RE: Only two wheel drive and engine trouble. - 9/27/2008 3:59:09 PM   
Frozenshade


 

Posts: 304
Joined: 7/3/2008
From: Southlake, TX, USA
Status: offline
quote:

ORIGINAL: cirec

If the problem is the gearbox then would it effect the brakes for the front wheels?The brakes only stop the back wheels.


Yes it would. Something is definitely not right in your gear box or drive train. Check the dogbone, and make sure the grub screws are tight in both drive cups.

(in reply to cirec)
       Post #: 8

RE: Only two wheel drive and engine trouble. - 9/27/2008 5:50:51 PM   
cirec


 

Posts: 120
Joined: 12/24/2007
From: , TX, USA
Status: offline 		I tightened the grub screws and the drive cup on the differential box keeps falling off when I use the buggy.

(in reply to Frozenshade)
       Post #: 9

RE: Only two wheel drive and engine trouble. - 9/30/2008 3:19:35 AM   
yadac123


 

Posts: 849
Joined: 9/17/2005
From: , CA, USA
Status: offline 		apply some blue locktit to the grub screw.

Andy

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(in reply to cirec)
       Post #: 10

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All Forums >> RC Cars, Buggies, Trucks, Tanks and more >> Exceed RC Support - Nitro Cars >> Only two wheel drive and engine trouble.
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