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#8500 Diff - 5/30/2006 5:35:17 PM   
D0G


 

Posts: 745
Joined: 7/5/2005
From: Edmonton , AB, CANADA
Status: offline 		Will Part # 8500 diff work in my FG MT. All the internals seem to be the same but the Diff case/cover has this "ring" kind of thing on it and my concern is if it will have the clearance. I found this diff local here for 70$. Seller says it will fit, but Im not to sure.

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RE: #8500 Diff - 5/30/2006 5:39:41 PM   
hellya



Posts: 4059
Joined: 2/18/2005
From: Bonney Lake, WA, USA
Status: offline 		thats an adjustable diff you will need to raise your diff supports 10mm or get Eclon diff supports with built in risers

< Message edited by hellya -- 5/30/2006 5:43:56 PM >

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RE: #8500 Diff - 5/30/2006 5:40:19 PM   
D0G


 

Posts: 745
Joined: 7/5/2005
From: Edmonton , AB, CANADA
Status: offline 		And then I asume I will have to raise alot more as well..lol

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RE: #8500 Diff - 5/30/2006 5:46:00 PM   
hellya



Posts: 4059
Joined: 2/18/2005
From: Bonney Lake, WA, USA
Status: offline 		10 mm to let the teeth clear the chassis.. heres my adjustable diif with elcon supports

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< Message edited by hellya -- 5/30/2006 5:52:11 PM >

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RE: #8500 Diff - 5/30/2006 6:01:23 PM   
Automan



Posts: 1089
Joined: 12/5/2004
From: Middle Earth, SWEDEN
Status: offline 		I use this, it protects very well and stiffen up the rear, real good quality and strong, i don't regret putting it on my truck. It's made in Sweden and can be found at http://www.mamut.com/Luthagens_RC_hobby/subdet369.htm
This will also keep the center of gravity low compared to raising the whole thing 10mm, not much difference but it's there.

With this you only have to cut out a little bigger hole, then bolt this sucker on and it takes care of the rockproblem.. letting them pass trough, so no big risk to damage the diffcover with rock get jammed between, and it's not very expensive either. I recommend it

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< Message edited by Automan -- 5/30/2006 6:15:01 PM >

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RE: #8500 Diff - 5/30/2006 7:17:28 PM   
kengentry5000



Posts: 1316
Joined: 7/20/2005
From: Greensboro, NC, USA
Status: offline 		The FG diff riser block works great on my Firehammer with the FG 8485 2-way LS diff. It is plastic and less than $10 USD if memory serves me. I could not find the part number but Mike at RC Nuts or Troy over at FGPerfRC would know the part number.

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Firehammer with Zen 26cc and FG 8485 limited slip diff (no more "sit and spin" - just hooks up and goes).

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RE: #8500 Diff - 5/30/2006 7:17:50 PM   
radio_controlled_mad


 

Posts: 1543
Joined: 10/21/2004
From: cramlington, UNITED KINGDOM
Status: offline 		ORIGINAL: hellya

quote:

10 mm to let the teeth clear the chassis.. heres my adjustable diif with elcon supports


and heres mine,i think the elcon ones raise the diff an extra 6mm,cheaper to make some diff blocks out of a kitchen board like kengentry - or you can normally pick a set of those alloy fg diff risers up for £10 off ebay,as for the diff - instead of buying a full new adjustable one you can get conversion kits to transform the stock diff


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< Message edited by radio_controlled_mad -- 5/30/2006 7:21:01 PM >

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RE: #8500 Diff - 5/30/2006 9:15:19 PM   
Automan



Posts: 1089
Joined: 12/5/2004
From: Middle Earth, SWEDEN
Status: offline 		Those diff kit's are great value for the money. If the gears in your stock diff are in good condition, just get that kit and transfer the gears from stock diff to the new adj diff.

About raising or not, i just heard allot of people having troubles when raising their diff's, problems with gears slipping or something. I dont know if it is solved yet, but either raising it or doing it the way i did... there you have two way you can go


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RE: #8500 Diff - 5/30/2006 9:28:35 PM   
kengentry5000



Posts: 1316
Joined: 7/20/2005
From: Greensboro, NC, USA
Status: offline 		Hey Automan, that is a nice looking protector for sure. Not changing the rear geometry is a good reason to go this route.

I didn't see a price for this item...mind my asking what the going rate for this item is?

_____________________________

Firehammer with Zen 26cc and FG 8485 limited slip diff (no more "sit and spin" - just hooks up and goes).

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RE: #8500 Diff - 5/30/2006 9:54:07 PM   
Automan



Posts: 1089
Joined: 12/5/2004
From: Middle Earth, SWEDEN
Status: offline 		Hi there kengentry5k, im glad you like it. And i liked what i saw that's way i got it instead of raising the diff.

The price is 550skr, that's around 76USD (I think around 55-60$ is what you pay) and that isnt so bad (probably people buying from the US will get it cheaper just as when buying fg's from germany as you don't have to pay our kind of huge taxes etc). Im not making them or selling them, or know the person who sells them, just want people to know when i stumble on good products.


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All those moments will be lost in time, like tears in rain.

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RE: #8500 Diff - 5/31/2006 5:43:05 AM   
D0G


 

Posts: 745
Joined: 7/5/2005
From: Edmonton , AB, CANADA
Status: offline 		So I got the diff installed. My Question now is...

Is there a way to know when the diff is set right without running it?
-tighten the adjusting screws till both wheels MUST spin?
-then back it off a half?

-tighten the screws till resistance so they stay in?

Basically I just want to know where to start from so I am not messin around with that when I head out. Have it say "default" set before I start to fine tune it.

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