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Old 02-02-2011, 12:30 PM   #1
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Default Axial open diffs

Hey all,

I have a newb question. Is there an open diff kit for axial axles? Does anyone make one or has someone figured out a way. I planning a scale build using the 70 ford f100. Most farm trucks I know of do not have locked diffs. Maybe a posi tac in the rear, but front an rear locked diffs ...no.

I want the fun of wheeling an old beater farm truck, open diff 4wd FTW!!!

Let me know?
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Old 02-02-2011, 12:48 PM   #2
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they do actually. Ill look for the part number, unless someone beats me to it
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Old 02-02-2011, 02:10 PM   #3
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Thanks.
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Old 02-02-2011, 04:46 PM   #4
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I asked the same thing. This is what i found out.

Need some help with Axial part #s
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Old 02-02-2011, 05:06 PM   #5
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makes for a very fun rig!
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Old 02-02-2011, 08:20 PM   #6
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i have a set of gears for an open/not locked diff some body gave my for a project i have on deck........bob

....
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Old 02-03-2011, 07:27 AM   #7
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The stock wheely king diff is open and it drops right in the axial housing, I have it in my Cherokee. It's fun for trails and also is easier on your drive train in most situations.
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Old 02-03-2011, 01:48 PM   #8
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Part#AXA30390
http://www.amainhobbies.com/product_info.php/cPath/1_25_1449_780/products_id/100213/n/Axial-Differential-Gear-Set
Also need a pin/shaft 3 x 22 (2 pcs) part# AXA30170

this is what was in the AX-10 RTR Instruction manual page 36
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Old 02-03-2011, 06:34 PM   #9
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Good for you!

I did this when I first got my SCX-10 I ran the rear end locked and left the front open.. Makes for a challenging time and what was once easy now takes the right touch of throttle and timing. I haven't run open diffs front and rear at the same time but someday I will, I have all the spare parts to make it happen.

Good luck
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Old 02-04-2011, 12:26 AM   #10
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the ax-10 rock racer/crawler came with an open or locked option. I have the open set in a ziplock. will see if i can find the axial part#. might be a good place to start looking.
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Old 02-04-2011, 11:26 AM   #11
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thanks to everyone for helping out. In my opinion open diffs really put the scale back into it. I mean how many "street rigs/class one rigs" run locked diffs in 1:1? Almost none, not none, but almost none. Most run limited slips, or arb style remote locking diffs.

Now take our street class/ Class 1 rigs. How much more scale would the crawling be if you had limited slip, or remote locking diff? It would bring that class to a whole new level of scale crawling. Obviously the class 2 and 3 rigs would be fully locked!
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Old 02-04-2011, 12:39 PM   #12
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Will an axial diff hold in diff oil?
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Old 02-05-2011, 08:01 PM   #13
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Quote:
Originally Posted by helhedded View Post
Will an axial diff hold in diff oil?
No. I tried running 100,000wt diff oil in my open front diff once upon a time for some low tech limited slip action but it didn't last more than about a month. it leaks out past the outputs.. I don't know of maybe a couple strategically placed o-rings or something might help but I never fooled with it after that.
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