Is a ford 9" in a SWB Jeep as bad as some people lead on????? - Off-Road Forums & Discussion Groups
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post #1 of (permalink) Old 05-02-2000, 10:43 AM
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Is a ford 9\" in a SWB Jeep as bad as some people lead on?????

I am planning a 9" swap and since some people have done it I am wondering if the low pinion is as big of a deal as some might want youto think. I like the 20 minute 3rd member swap, large aftermarket axle support all the way to 40 spline axles, etc. Any comment?
Aaron

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post #2 of (permalink) Old 05-02-2000, 11:03 AM
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Re: Is a ford 9\" in a SWB Jeep as bad as some people lead on?????

The low pinion is one problem. The thing that comes to mind with me is driveshaft length. I'm having trouble with d/s length in a relatively stock CJ5. If I was to swap in a 9", I'd have to go with a HIGH pinion. The stock 9" hog's head is huge compared to my AMC20.

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post #3 of (permalink) Old 05-02-2000, 11:08 AM
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Re: Is a ford 9\" in a SWB Jeep as bad as some people lead on?????

I have a TJ so I am not as bad off as a CJ5. I know poeple have done it on YJs with out too much trouble. I would never spend the insane amount of $$ for a high pinion 9".
Aaron

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post #4 of (permalink) Old 05-02-2000, 11:57 AM
 
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Re: Is a ford 9\" in a SWB Jeep as bad as some people lead on?????

I would like to hear more opinions on this topic...

I have a set of early bronco axles at my disposal, and I was considering them for a rock climber...

I have virtually no experience with 4X4 suspension or dirvetrains past the transmission tail shaft, I'd like to hear the pros and cons...

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post #5 of (permalink) Old 05-02-2000, 12:36 PM
 
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Re: Is a ford 9\" in a SWB Jeep as bad as some people lead on?????

I have a freind who swapped in the full width F-9", and D 44 from a Ford 1/2 ton onto his 95 YJ. He is a cappable driver and as far as strength, it is a rock solid set up. But he is constantly fighting with clearance problems,in the rocks, which is what he built it for. He is seriousely rethinking his choice of both the 9" low clearance and the full size width. Ive never driven it, but he does struggle, where he used to shine.

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post #6 of (permalink) Old 05-02-2000, 12:50 PM
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Re: Is a ford 9\" in a SWB Jeep as bad as some people lead on?????

I don't think the low pinion will be that big of a deal with a CV driveshaft. It will basically keep the business end pointed up. I know people that have 9"ers in XJs with standard driveshafts and they never hit their pinion in the rocks. I guess I will do it anyway and see what happens.
Aaron

post #7 of (permalink) Old 05-02-2000, 06:00 PM
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Re: Is a ford 9\" in a SWB Jeep as bad as some people lead on?????

My buddy John did a D44 full width onto his CJ7, and is running 38.5" Super Swampers .. he doesn't seem to have any problems ..

Take a look at his "Orange Crush" at members.home.com/jeeps

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Vance - Calgary, Alberta, Canada
1985 4x4 S-10 and 1988 Jeep YJ
post #8 of (permalink) Old 05-03-2000, 09:36 AM
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Re: Is a ford 9\" in a SWB Jeep as bad as some people lead on?????

I can see where tight woods trails could make it a pain if you were really wide.
Aaron

post #9 of (permalink) Old 05-03-2000, 09:39 AM
 
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Re: Is a ford 9\" in a SWB Jeep as bad as some people lead on?????

I like 9", strong rear with easy access, "fairly" easy to find discs on 'em. The low pinion COULD cause a problem on some setups. A CV joint on the front of the rear driveshaft is MANDATORY, in my opinion, on a jeep with a standard 9". This is the stock setup on the EB's. Gears / parts are cheap and available for them too.

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<font color=red>'88 YJ, 4" susp,3" body,33's,283 Chevy V8,TH350,4.11's,D30,D35c</font color=red>
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post #10 of (permalink) Old 05-03-2000, 01:15 PM
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Re: Is a ford 9\" in a SWB Jeep as bad as some people lead on?????

Yeah that's my point. Gears are $115. A whole 3rd member with a spool is only $425. Axles range from $125 to $185 with bearings, studs, seals, and all. Disc brake setups are easy to do AND you can swap the gears on the trail in 20 minutes if you have a spare 3rd member with you. It is like having an entire spare rear end that is easy to swap broken parts out of. Of course the pinion is low but I don't think it is that bad. The high pinion 8.8s pinion sticks out farther than the 9" and it is supposedly 3 3/4"s higher. What does that equate to angle wise. I would like to see some figures because I don't see how it could be that bad. Early Broncos put 6"s of suspension lift on and don't need CV shafts. They have a little better wheelbase but still. I don't see how a 4" lift on a TJ with CV shafts and a SYE kit could be all bad. Oh and remember that Currie used to run regular 9"ers in their awesome YJs and they were the cream of the crop for driveable rock crawlers.
Aaron


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