9 inch rear end - Ranger-Forums - The Ultimate Ford Ranger Resource


Drivetrain Tech General discussion of drivetrain for the Ford Ranger.

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  #1  
Old 06-21-2008
dangerranger91
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9 inch rear end

ok if i was going to do a 9 inch rearend what would be a great axle to use and is it possible for my truck 4.0 sohc 4x4 5sp supercab
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Old 06-21-2008
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you will need to move your gas tank or get a fuel cell the 8.8 are off set just a little bit. but there great axles.
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  #3  
Old 06-21-2008
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Originally Posted by Downey View Post
you will need to move your gas tank or get a fuel cell the 8.8 are off set just a little bit. but there great axles.
are you sure about that? I dont think thats accurate.

anyways, an EB 9 inch are a good width but you wont get a 5-4.5 bolt pattern. you would have to get conversion spacers or run different bolt pattern rims. Why do you want to switch? are you breaking axles?
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  #4  
Old 06-21-2008
dangerranger91
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well my problem is i might have a disk brake conversion kit for a 9" axle and so now what???SO my problem is do i not get this kit (KILLER DEAL!!!!) or not? or what do i need to do to get this to work on my 8.8 axle. my goal is to have disc brakes in the back with a LS dif. i know the explorer has all that but the deal i could get on these brakes r un real. besides the explorer axle is 1.5 inch wider than stock.
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  #5  
Old 06-21-2008
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so go find an explorer axle and just take the brakes

sell the 9"disc brake conversion, people always want them and WILL pay for them. It will probably be cheaper and easier than swapping axles...

edit, ah wait, they wont swap directly over to a 28 spline ranger 8.8 i dont think...
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  #6  
Old 06-21-2008
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A 9" will be wider than the exploder 8.8 most likely unless someone shortened it. even considering your killer deal it would probably be cheaper to do the ex 8.8 than a 9". you may get a good deal on the discs but you will still need to buy the axle and the LS. if you go the explorer route all you need to do is find a semi good deal and it has everything you said you wanted already on/in it.
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  #7  
Old 06-21-2008
dangerranger91
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so maybe get the brakes then sell them and use the profit on exchanging axles and that would solve it but..... the whole 1.5 inch difference. what about if i have an 8.8 axle cant i change to a 31 spline and then go take the brakes off a explorer (forgive me if it sounds lik i am dumb) like ok take the internals of an explorer and the brakes then do the swap with out the actual whole assembly grrrrr this is getting frustrating
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  #8  
Old 06-21-2008
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You cant put 31 spline axles in a ranger 8.8. swapping the whole axle would be easier any way. the hardest part would be swapping out brake stuff to accept the discs, that and moving the spring perches to the top. other than that its strictly a bolt on procedure.
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  #9  
Old 06-21-2008
dangerranger91
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do they make a 31 spline ranger (fx4,level2) i would really like to keep the look of a stock axle vs. a wider rear end
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  #10  
Old 06-21-2008
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they do but they dont have disc brakes. by time you find an fx4 axle ($$$$$$$$) and THEN find a explorer axle and take the breaks, thats a good chuck of money and you could probably just buy a kit for you axle...
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  #11  
Old 06-21-2008
dangerranger91
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yeah a kit for disc brake conversion is 876.and sum change from ssbc why is a fx4 axle so much more than a explorer axle ??
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  #12  
Old 06-21-2008
dangerranger91
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also what year would be best for the explorer axle isnt it like 95 -01 if so would it be best to use a 01 axle
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  #13  
Old 06-21-2008
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Quote:
Originally Posted by dangerranger91 View Post
yeah a kit for disc brake conversion is 876.and sum change from ssbc why is a fx4 axle so much more than a explorer axle ??
cause they are so application specfic and had much less production to them. more rare=more expensive.

Quote:
Originally Posted by dangerranger91 View Post
also what year would be best for the explorer axle isnt it like 95 -01 if so would it be best to use a 01 axle
95-01 doesnt matter. you could say that since a 2001 is newer is will have less wear but it could be quite opposite, depends on vehicle history...
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  #14  
Old 06-21-2008
dangerranger91
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ok i c. so what years did the 31 spline come equiped in the fx4 just by chance (i have several salvage yards by me) as for the explorer its a chance you take but you could always change gears and stuff (if needed) by that i mean the ls diff??
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  #15  
Old 06-22-2008
04 EDGE
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heres what i did. there was some grinding and welding involved, but total cost was 100 bucks.

https://www.ranger-forums.com/forum2...ad.php?t=64665
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  #16  
Old 06-23-2008
dangerranger91
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hey very cool using the brakes from the crown vic was it as easy as it looks or was it more dificult than you thougt and now what is your thoughts on those brakes
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Old 06-23-2008
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First and foremost, and I think you already know this, swapping to a 9" would be a lot of work and could entail a lot more work then you want.

If your goal is simply to get a rear axle with 31 spline axles and disc brakes, then an exploder axle is far and away the easiest and cheapest method.

Quote:
Originally Posted by dangerranger91 View Post
yeah a kit for disc brake conversion is 876.and sum change from ssbc why is a fx4 axle so much more than a explorer axle ??
Personally, I would never buy a brake kit from SSBC. Not saying they are bad (the kits look amazing), but they are just way over priced. You can find disc brake kits a bunch of different places and you can even make your own disc kit for fairly cheap like 04Edge did. Here's another writeup for disc brakes from rwenzing:

https://www.ranger-forums.com/forum2...ad.php?t=17512

It's not horrendously hard, but you'll probably have to put some work in to get it right.
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  #18  
Old 06-23-2008
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Quote:
Originally Posted by SniperX103 View Post
First and foremost, and I think you already know this, swapping to a 9" would be a lot of work and could entail a lot more work then you want.
a box bronco 9" is a completely bolt in rear....u are aware of this right, only thing needed is a relocation of a shock mount, but with a exploder 8.8 ud have to fab them anyways. given the option between the 2, id go with the 9", no c-clips to deal with, has a full removeable carrier, parts and availability for it is unmatched, and if u can find one from a 76-77 bronco there already 31 spline big bearing
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  #19  
Old 06-23-2008
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The only problem I see really going to a 9" is anti-lock rake compatability. I have a spring under 9" with disc brakes out of a lincoln versilles sittin it the shop. Its the right width, lug pattern, spring perch location (for lowered) and 31 spine axles. The only reason it isn't in my truck is the Antilock Brakes.
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  #20  
Old 06-23-2008
04 EDGE
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no 9" rear axle is a "bolt in" to any ranger!

the spring perches will not line up, the shock mounts are in different locations, the drive shaft will not bolt up

if you want rear disks cheap do as i did, it took some grinding and welding but it was worth it.
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  #21  
Old 06-23-2008
04 EDGE
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Quote:
Originally Posted by dangerranger91 View Post
hey very cool using the brakes from the crown vic was it as easy as it looks or was it more dificult than you thougt and now what is your thoughts on those brakes
this i can tell you, after it rains or first thing in the morning my rear brakes dont grab or lock up anymore!
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  #22  
Old 06-23-2008
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Quote:
Originally Posted by mhughes165 View Post
a box bronco 9" is a completely bolt in rear....u are aware of this right, only thing needed is a relocation of a shock mount, but with a exploder 8.8 ud have to fab them anyways. given the option between the 2, id go with the 9", no c-clips to deal with, has a full removeable carrier, parts and availability for it is unmatched, and if u can find one from a 76-77 bronco there already 31 spline big bearing
Quote:
Originally Posted by 04 EDGE View Post
no 9" rear axle is a "bolt in" to any ranger!

the spring perches will not line up, the shock mounts are in different locations, the drive shaft will not bolt up

if you want rear disks cheap do as i did, it took some grinding and welding but it was worth it.
Exactly what 04 said. The first thing I thought of the was the drive shaft. I know the connectors are different.

Also, don't forget in some Ranger's you have your speedo in the 8.8. Not sure what years that was in... but could be another issue to add to the pile.
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  #23  
Old 06-23-2008
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Quote:
Originally Posted by 04 EDGE View Post
no 9" rear axle is a "bolt in" to any ranger!

the spring perches will not line up, the shock mounts are in different locations, the drive shaft will not bolt up

if you want rear disks cheap do as i did, it took some grinding and welding but it was worth it.
are u certain, i took my 9" from a 77 Box Bronco and i bolted it right in on the existing spring perches?? i said u would have to relocate 1 shock mount because on the 9" they both are rearward facing shocks, and as far as driveshaft you will only need a adapter u joint, which doesnt cost much more then a stock u joint for the rear.

just a note....this is the ONLY 9" rear axle that im aware of that will "bolt in" to some degree, but it can be cheaper to bolt in the 9" becuase in reality it takes less fab work the installing a explorer 8.8 (u dont need to cut off and add new spring perches, u dont need to fabricate 2 new shock mounts)

Last edited by mhughes165; 06-23-2008 at 05:24 PM.
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  #24  
Old 06-23-2008
04 EDGE
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again, there is no "bolt in 9"" rear axle.

the wheel bolt pattern is different so you will need new wheels.

your ABS and maybe the speedometer will also not work.
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  #25  
Old 06-23-2008
dangerranger91
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well i finally made up my mind and i am going to the salvage yard in a couple of days with a buddy and i am either leaving with a explorer axle or gona do like 04 EDGE either way its gona be done I HATE MY DRUM BRAKES!!! and would really love a LS DIFF
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