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FS: 2007-2013 Jeep Wrangler "HALO" Angel Eye KitThe Original 3/8" Ruffstuff Diff Cover!Building a Bumper?

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Unread 03-04-2014, 01:19 PM   #1
AdamH07
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TF727 identification

Ever since I bought my Scrambler I have been trying to figure out if I have the 904 or 999. Didn't even think about the 727.

I randomly ran across a picture of a 727 compared to the 904 and low and behold I think I have the 727. Below is a pic. I am basing this on the pasenger side bump out at the front. Just asking here for final confirmation before proceeding with the Lokar and Ididit mods. thanks!

727.jpg

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Unread 03-04-2014, 01:23 PM   #2
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Yep thats a 727. The bumpout is the giveaway.
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Unread 03-04-2014, 01:26 PM   #3
AdamH07
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Awesome! I appreciate it. I was a little bummed when I determined it definitely wasn't a 999. it being the 727 makes up for that.

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Unread 03-04-2014, 06:58 PM   #4
Truck633
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I ran into that bump (reverse servo) with my front ds from the Dana 300. Thought it was a wash, then found that with 4" of lift, it clears with no problem!!!
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Unread 03-04-2014, 07:11 PM   #5
VooDoo2
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Is the 727 stronger than the 999?
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Unread 03-04-2014, 07:34 PM   #6
seabass1858
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yes but I believe you would need one from an FSJ to fit your application from what i was reading some time ago not to mention drive shaft changes. correct me if im wrong
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Unread 03-04-2014, 07:48 PM   #7
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Only an AMC 727 will fit a CJ AMC V8 or inline 6. Those were found in FSJ's, so yes that part is correct. Any transmission that has a length difference of an inch or more compared to stock is going to require driveshaft changes.
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Unread 03-04-2014, 07:51 PM   #8
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Is the 727 stronger than the 999?
Yeah!! I did the comparison back before my swap. I don't remember exactly the numbers, but was very happy about the 727... It was badly abused, but the guy swore it was fine. Never was right... I am sure if I had more patience and waited to rebuild it, it would be unstoppable with the Lomax kit in my 300.... However I wanted it right away and the trip 9 was ready to go.

Still happy with it, just would like the lower first gear!
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Unread 03-04-2014, 07:55 PM   #9
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There is a way to get a lower gear, but it's hard to find the part. There were 727 used in some IH based bobtail (single rear axle) dump trucks. These had a 3.15:1 first gear. A friend of mine found one of these ultra-rare gearsets in a junkyard truck and it makes a huge difference in crawling. I bought his old 727 as he had built it with some premium parts.
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Unread 03-05-2014, 03:04 AM   #10
86cj74.2L
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I am pretty sure you can buy the lower first gear from the drag racing crowd.
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Unread 03-05-2014, 05:55 AM   #11
AdamH07
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I've got a 4" lift on it so I should be fine with front driveshaft clearance.
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