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  #1  
Old 10-18-2011, 11:15 AM
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For those looking to 2 wheel drive their jeeps

Here is a thread running on http://www.ford-trucks.com/forums about installing an 03 and up Crown Vic front end which is a bolt in system much stronger than the Mustang 2 and can be had for around $300 for the whole thing including power rack steering! The only draw back I can see is it is a 5 on 4.5. bolt pattern on the wheels.




http://www.ford-trucks.com/forums/71...o-67-f100.html

second bill using a 2007 Mercury Grand Marquis

http://www.ford-trucks.com/forums/75...a-72-f100.html
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congrats...that's the first post on here I have absolutely no effing clue how to comment on.


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Last edited by bigun : 10-18-2011 at 05:19 PM.
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  #2  
Old 10-18-2011, 01:31 PM
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wow..that looks dead simple.
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Old 10-18-2011, 03:57 PM
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Ooooh...I like that!

I have a 4.6 taking up space in the garage too.

Maybe this winter it's time to 2wd & 4.6 one of the Jeeps?
This looks way better than a dummy axle from a CJ10a.
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Old 10-19-2011, 08:22 AM
catch2otwo catch2otwo is offline
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Quote:
Originally Posted by Gambler68
wow..that looks dead simple.


Ive been looking for a better solution then fabbing a drop axle. excellent, i will be reading up on this.
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  #5  
Old 10-19-2011, 08:30 AM
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Holey moley...the solution! This one just jumped to the top of the project list.

Haven't read all 86 pages yet, but it appears that the drop would be about 5 inches. No drop spindles available (yet), but add another three inches with a body channel...serious drop for not serious money or effort. The stance shown in the artist rendering of the green truck in our photo string is now in the cards. In fact the artist penned in a blown Ford Lightning engine in that drawing. By the way, there are also some good strings buried within the ones you posted.

I'm coveting my ol' Mom's Merc. Would the converted vehicle be a Meep or Jerk.

Thanks again.
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Old 10-19-2011, 12:46 PM
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Hmmm. Must find!
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  #7  
Old 10-19-2011, 08:48 PM
catch2otwo catch2otwo is offline
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does anyone know what the width of our frames are? The ford truck frame in the build thread is 34 inches wide same as the crown vic which makes it bolt on. If ours are wider or narrower, it wont be quite bolt on...
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  #8  
Old 10-20-2011, 08:44 AM
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Jeep frame is also 34 inches in the front. It's already boxed, so the idea of adding sleeves for the bolts would not work or would require some extra work. Also, it looks like there is some curvature in the frame rails in that area, so it would take some minor fabrication to achieve a flat, level surface.
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Old 10-20-2011, 11:34 AM
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Anyone know the exact flange to flange measurement (wheel mount spacing "WMS") for a J10? I got to page 44 (of 86) in the IFS swap string and came across 67.5" for the Ford IFS. I believe the wide track Jeeps are in the 64-65" range. That would take a little off of the potential amount of wheel backspacing available...if that's your thing. It also presents some questions about how viable this is for a narrow track FSJ.

By the way, the guy doing this IFS swap also installed a 3.9 Isuzu diesel with a GM 700R4 and said he was getting in the 30 mpg range. And then....he installed a compound turbo setup which makes mega horsepower....and still got mega mpg. Then he says he's swapping in an Allison 6 speed...haven't gotten that far in the thread yet.

That thread is an absolute gold mine for anyone contemplating IFS, IRS, or diesel swaps. After owning an Isuzu NPR with the 175 HP engine, I have been an advocate of this little engine. Makes the ancient Cummins 4bt look almost silly by comparison...even in stock form. The compound turbo discussion is around page 36 in the string.

Thanks
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  #10  
Old 10-20-2011, 11:56 AM
catch2otwo catch2otwo is offline
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Wow so the frame is already the correc width. Judging by his height I'd be bagging it like the rat rod in the thread running the same front.

I skimmed through all pages half asleep last night. Definetly a wealth of information. Great find
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  #11  
Old 10-20-2011, 08:12 PM
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Does anyone know the width of the FSJ fame between the engine?
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Old 10-20-2011, 08:22 PM
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Measurements of the CV IFS are here:
http://www.ford-trucks.com/user_gall...&albumid=32665
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Old 10-22-2011, 08:27 PM
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The IFS swap has been on my mind for a good while now. Never thought about using the grand marquis or crown vic front crossmember. i was actually looking heavily at the 73-87 chevy 2wd 1500s. some of those had the same 6 lug pattern and it too is bolted on. i think what makes it simpler with our rigs is the fact that we don't have a crossmember; just cut or unbolt the factory leaf springs, yank the axle, and go from there. plus, the aftermarket is full of parts for those setups. as an additional plus, we already have a saginaw steering box, so maybe the steering on the 2wd setup wouldn't be that hard to bolt up.

what is of concern though is the width and the height of the arc (if you will) on the front of our frames. i believe our frames are wider and also, the chevy frame does not have as high a bump as our rigs. now, it may be possible to still do this by cutting the 2wd crossmember in the middle, taking another one, and using it to fill the space to make the setup wider. of course, then you run into steering issues because now the linkages need to be longer.

so either way it isn't easy but something i've been toying with. the dummy j10 axle is a lot easier, but the IFS swap is way cooler.
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Old 10-25-2011, 02:13 PM
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Quote:
Originally Posted by The Colonel
Does anyone know the width of the FSJ fame between the engine?

Outside frame width is 34.22 according to frame chart specs.
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  #15  
Old 10-28-2011, 08:01 AM
catch2otwo catch2otwo is offline
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Ive been debating whether it would be easier to do some kind of ifs swap or run a 2wd axle out of another similar truck.

My dilema is that Id like to pretty much lay frame or get close to it so either way there will be alot of work. I do however want to keep the truck as simple as possible.

In the name of simplicity, a drop axle along with doing a little work on frame, I feel would keep the front end pretty straight forward. Seen alot of custom builds and there are just so many ways of going about it.
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  #16  
Old 10-28-2011, 08:43 AM
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If you swap this Ford IFS into a narrow track FSJ body, there will likely be issues with wheel offset and fender clearance...as with the Ford pickup in the referenced string. A 67.5 WMS is pretty wide. By the way, I noticed the XJ6 and XJS Jaguar also use a bolt in front cross member. Haven't checked the layout or measurements. Probably some other Euro stuff as well.
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Old 05-30-2012, 03:58 PM
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Digging up an old thread, but...
Found the Ford Aerostar to be a relatively compact, lightweight bolted-in unit with the proper width for us narrow-track owners. Thinking that's what mine will get. Plus they came with 8.8 rearends too. A little modification to the angle of the steering rack to cure the vertical input and there you go. Biggest problem is that they aren't pretty to look at, but neither is the rest of my Jeep's underside.
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Old 06-03-2012, 08:47 AM
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In looking at the first page, I wonder, those 5 bolt hubs with bearings are changed as one unit, would the Chevys hubs with the 6 bolt pattern work in their place?

EDIT; the new Nissans use the same hub with 6 lugs...
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Old 06-07-2012, 12:48 PM
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The wheel size will still be an issue. You will need 16+ to clear the brakes.
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Old 06-19-2012, 11:58 AM
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If you're looking to stay six-lug...

The Chevy Colorado / GMC Canyon should use a smaller hub with the 6 on 5-1/2" bolt pattern that might lend itself better to modification to fit the spindle of the Crown Vic than the fullsize 1500 hub assembly.
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