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Old 04-25-2012, 05:26 PM   #1
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Tire/drive train issues

Ok here's the deal I've got a 91 YJ its got about 12 inches of lift between the SOA, springs, and body lift. I found I can buy 46 x 15 inch tires for 100 bucks a piece with decent tread left. I'm in the middle of a 350 swap (as money and time permits,) and I just finished the 3/4 ton axle swap which are still full width.... My question is will I run into any problems with that big of a tire, other than the final drive ratio. Things like turning, and suspension travel (I'm assuming I'm going to have to do some cutting of the body.. I have a stock 81 truck 350 with a 4 bolt main, a granny gear Muncie 465 4 speed, and a gear driven np 205, the axles are from a 77 3/4 ton Chevy. Front is a 10 bolt, and and the rear is a 14 bolt ff. Does anyone see a problem with this combination.

Thanks in advance
Braden

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Jeep #1 94 YJ, 4.0 L, AX 15, NP 231, Waggy 44 Front, Ford 8.8 Rear, 4 inch BDS Military Wrapped springs, 33 x 12.5 x 15 Mickey T MTZ's 4.10's, 9000 lbs Harbor freight Winch,

Jeep #2 91 YJ, 350, SM 465 Granny Gear, NP 205, 44 Front, 14 Bolt FF Rear, 5.5 inch SOA, CJ front clip (Project)
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Old 04-25-2012, 06:17 PM   #2
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How are you going to turn this thing? That piss poor front axle will not last. With this much lift you got to be able to keep the axle centered, there will be so much flex side to side that driving this thing will be a night mare.

Just look at this web site to get all the ideas that you DONT want to do....

http://128.83.80.200/taco/scarysteering.html

Cause this is all I can picture of 12inchs of lift.

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Old 04-26-2012, 11:26 AM   #3
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It's not that extreme, Probably about half that. As far as the axle being center it still has the track bar all linked up. I did some figuring last night thought, made a template and everything and the frame ends up being in the way. So I've got two options... Either move the frame (I'm not too fond of this option,) or go to a smaller tire... which looks like the biggest tire I will be able to fit is a 40... as far as the front axle goes. I've been told it was a 10 bolt. I don't know an incredible amount about them. But I do know that several parts from a 44 fit it. I was always under the impression a 10 bolt was a half ton option, and I've never seen a half ton come with an and 8 lug bolt pattern
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When I've got money I've got no time, when I've got the time I've got no money!

Jeep #1 94 YJ, 4.0 L, AX 15, NP 231, Waggy 44 Front, Ford 8.8 Rear, 4 inch BDS Military Wrapped springs, 33 x 12.5 x 15 Mickey T MTZ's 4.10's, 9000 lbs Harbor freight Winch,

Jeep #2 91 YJ, 350, SM 465 Granny Gear, NP 205, 44 Front, 14 Bolt FF Rear, 5.5 inch SOA, CJ front clip (Project)
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