Move rear axle back 2", will it hit the gas tank? - Off-Road Forums & Discussion Groups
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post #1 of (permalink) Old 07-24-2003, 07:03 PM Thread Starter
 
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Move rear axle back 2\", will it hit the gas tank?

Since I've got 4 front leaf springs from the '78 and '79 FS Cherokees I salvaged, I've been thinking about installing them on my YJ for a little lift and a longer wheelbase. These springs will move each axle by 2"s, increasing the wheelbase and improving the approach/departure angles.

I know up front there won't be any clearance issues, but what about in the rear? Will my axle be going into the gas tank? I'd crawl under there and check myself but that would require digging everything out from under the Jeep and crawling through mud and spider webs [img]images/graemlins/frown.gif[/img]
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post #2 of (permalink) Old 07-24-2003, 07:59 PM
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Re: Move rear axle back 2\", will it hit the gas tank?

well moving the front forward.. dose raise issues with your drag link... hitting your pitman arm.. shock alignment.. driveshaft length...

as for the rear.. not up to speed on yjs.. but in a my cj with a 20 gal tank..ya.. youd be 2" into it.. i rub it now..
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post #3 of (permalink) Old 07-25-2003, 02:07 AM
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Re: Move rear axle back 2\", will it hit the gas ta

I think YJ's nad CJ's are set up about the same for clearance, but the Dana 35 is a bit slimmer behind the axle centerline than the model 20 my CJ has. Mine hasn't hit the 20 gal tank and it's been flexed up pretty good, but I know I don't have 2" of clearance...maybe 1/2".
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post #4 of (permalink) Old 07-25-2003, 03:43 AM
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Re: Move rear axle back 2\", will it hit the gas tank?

I'm running a D44 in my YJ that is SOA. I have two verticle metallic stripes on my Jeep. One on the diff cover, and one on the gastank skid. Just thought I'd share.
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post #5 of (permalink) Old 07-25-2003, 01:46 PM
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Re: Move rear axle back 2\", will it hit the gas tank?

On my CJ (not a YJ, but thought I would share anyway) , when I swapped in my waggy axles (44F/20R) I moved them 1" with offset spring perches. The pitman barely scrapes the diff cover in the front, and the rear diff drags a little on the skid plate (15 gallon stock tank, CJ).

The stock skid plate now is deformed enough that I do not think it touches any more, but it did for a while.
post #6 of (permalink) Old 07-25-2003, 02:19 PM
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Re: Move rear axle back 2\", will it hit the gas tank?

My guess is that it will hit. In fact, I am basically doing the same thing by moving my spring hangers back a few inches.. Thats one of the reasons that I am going with a fuel cell
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