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Unread 06-30-2010, 11:21 PM   #1
mikeyford3
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1994 YJ Wrangler 
 
Join Date: Jun 2010
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Got a Ford 8.8! now i have some questions

So i got a 8.8 for 80 bucks! I want to know everything about installing it into the jeep before i do it! i have looked through about 30 threads and i see different things. This is what i have think i should have to do just by common sense and being a ford guy:

The perches and shock mounts need to be cut moved and welded on.
the axle tubes are pressed in so weld the axle tubes.
8.8s dont use pinion yokes like the d35 so need the pinion flange for the driveshaft.

Now for the Questions:
Will i have to get a new driveshaft?
Should i keep the axle in the same place as the d 35 was or move it back or forward any?
Will the brake lines and E brake bolt right up with the lines on the jeep?
And anything else i should know about installing the 8.8?

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Unread 06-30-2010, 11:30 PM   #2
2jeepscj8
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I have the 8.8 in my TJ you shouldnt need a new drive shaft just the yoke for the 8.8 an you will need e-brake cables too I got my stuff from http://www.mountainoffroad.com/
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Unread 07-01-2010, 12:31 AM   #3
provinT13
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Actually you can re-use your stock e-brake cables, will cost you about 30 cents. You will need 2 passenger side brake lines from a stock explorer, not a driver and passenger line, just 2 passenger lines. You can re-use the stock drive shaft but you will need an 8.8 flange

These are VERY useful threads

http://www.jeepforum.com/forum/f12/f...inally-636291/

Ford 8.8 Axle in YJ

If you can't cut off the explorer perches without hacking them up, I got my kit from ruff stuff specialties and I love it

http://www.ruffstuffspecialties.com/...ine-p-186.html
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Unread 07-01-2010, 01:49 AM   #4
whitie_08
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heres how i did my brakes... on the axle everything is factory ford. i joined my jeep [frame to axle] line to the ford [frame to axle] line via a compression fitting. im left with enough brakeline to never worry about it regarding lift and flex.


close up
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Unread 07-01-2010, 06:06 AM   #5
dell2028
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I would leave the axle in the same place the D35 came from unless you want to get into stretching the wheelbase. You can get the Ruffstuff perches, or any that have 3 mounting holes, and stretch it an inch. I assume you have an SYE and CV. If so make sure you have enough slip in your shaft before doing that. If not, on 4+ inches of lift your slip yoke is probably close to max and I would leave it right where the d35 was.
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My Build Up

95 YJ, D30/8.8 w/ 4.88s, SOA, 35x14.50x16.5 Pit Bull Mud Dawgs, 101" Wheelbase, Custom Front Bumper, Winch, Custom Rear Tow Points, Traction Bar, Aussie Locker in front, 20 Gal. Gas Tank modification, Hurculiner Tub, Custom Rear Bumper, SYE and CV shaft, BTF Cross-over Steering, RCI 2191 fuel cell, BTF Rockers, RE 1.5" SOA springs up front and XJ springs in the rear

Down the line a bit...engine swap, the list goes on.
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Unread 07-01-2010, 07:58 AM   #6
mikeyford3
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Okay so i am re-using the everything off the axle just cutting it really carefully!
I dont not have a sye i have a 98+ np231 but i am keeping the axle in the same place
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Unread 07-01-2010, 08:32 AM   #7
bpr
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Quote:
Originally Posted by mikeyford3 View Post
So i got a 8.8 for 80 bucks! I want to know everything about installing it into the jeep before i do it! i have looked through about 30 threads and i see different things. This is what i have think i should have to do just by common sense and being a ford guy:

The perches and shock mounts need to be cut moved and welded on.
the axle tubes are pressed in so weld the axle tubes.
8.8s dont use pinion yokes like the d35 so need the pinion flange for the driveshaft.

Now for the Questions:
Will i have to get a new driveshaft?
Should i keep the axle in the same place as the d 35 was or move it back or forward any?
Will the brake lines and E brake bolt right up with the lines on the jeep?
And anything else i should know about installing the 8.8?
Use that $ you saved on the 8.8 and get you a sye now so you can weld the perches in the correct location one time and be done.
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Unread 07-01-2010, 09:00 AM   #8
dell2028
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2nd that. Get the SYE and a CV shaft and be done with it. Believe me, doing right the first time saves you big in the long run.
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My Build Up

95 YJ, D30/8.8 w/ 4.88s, SOA, 35x14.50x16.5 Pit Bull Mud Dawgs, 101" Wheelbase, Custom Front Bumper, Winch, Custom Rear Tow Points, Traction Bar, Aussie Locker in front, 20 Gal. Gas Tank modification, Hurculiner Tub, Custom Rear Bumper, SYE and CV shaft, BTF Cross-over Steering, RCI 2191 fuel cell, BTF Rockers, RE 1.5" SOA springs up front and XJ springs in the rear

Down the line a bit...engine swap, the list goes on.
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Unread 07-01-2010, 12:24 PM   #9
timatoe
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I'm sure somewhere in the 30+ threads you've read, you've seen this, but I'll post it here too. Measure 9/16's of an inch from the outside edge of the spring perches going toward the outter edge of the axle. Mark that spot ( I cut a light groove in the tube), then put the new perches over at that new spot and you should be dead on. I think I had to tap mine one way about a 1/16 once it was under there.
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Unread 07-01-2010, 12:47 PM   #10
Poke
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Quote:
Originally Posted by mikeyford3 View Post
So i got a 8.8 for 80 bucks! I want to know everything about installing it into the jeep before i do it! i have looked through about 30 threads and i see different things. This is what i have think i should have to do just by common sense and being a ford guy:

The perches and shock mounts need to be cut moved and welded on.
the axle tubes are pressed in so weld the axle tubes.
8.8s dont use pinion yokes like the d35 so need the pinion flange for the driveshaft.

Now for the Questions:
Will i have to get a new driveshaft?
Should i keep the axle in the same place as the d 35 was or move it back or forward any?
Will the brake lines and E brake bolt right up with the lines on the jeep?
And anything else i should know about installing the 8.8?
I used my stock drive shaft.
I used all the exploder stock brake lines/hoses with no issue.
I used my yj stock ebrake cables

KISS!!!!!
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Unread 07-01-2010, 01:58 PM   #11
mikeyford3
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well the guy backed out of the deal so now i need to find a new 4.10 8.8

anyone have an extra ones layin around? hah
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Unread 07-01-2010, 03:57 PM   #12
mikeyford3
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found another 8.8 for 175 picking it up on the 13th!
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Unread 07-01-2010, 05:28 PM   #13
imstillatwork
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anything under 200 is a great deal.

You'll want to get a flange adapter that uses 1310 u joints, and bolts to the 8.8 pinion flange. Dana/Spicer part number 2-2-1379. Yes 1330/1310 hybrid u joints are available but I think a one time $30 flange that lets you run normal 1310 joints is worth it.

The diff cover is incredibly thin sheet metal, so plan on getting a beefier one.

I have the 8.8 in the garage right now, so can't comment on installation. Paid 150 with no gears (need 4.88's anyways) and LSD carrier (wanted open for lock-right /aussie, owell.)

If anyone wants to trade and LSD carrier for an open lemme know
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Unread 07-01-2010, 09:37 PM   #14
mikeyford3
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1994 YJ Wrangler 
 
Join Date: Jun 2010
Location: South Jersey
Posts: 89
Quote:
Originally Posted by imstillatwork View Post
anything under 200 is a great deal.

You'll want to get a flange adapter that uses 1310 u joints, and bolts to the 8.8 pinion flange. Dana/Spicer part number 2-2-1379. Yes 1330/1310 hybrid u joints are available but I think a one time $30 flange that lets you run normal 1310 joints is worth it.

The diff cover is incredibly thin sheet metal, so plan on getting a beefier one.

I have the 8.8 in the garage right now, so can't comment on installation. Paid 150 with no gears (need 4.88's anyways) and LSD carrier (wanted open for lock-right /aussie, owell.)

If anyone wants to trade and LSD carrier for an open lemme know
I might have a old open carrier from a 8.8 laying around ill have to check!
It would be the right carrier break too because it was out a 4.10 axle ill let you know tomorrow!

Yeah i am going to be doing this right the first time!
i have a 8.8 with a limited slip 4.10 gear ratio
Im cutting the perches off and the shock mounts
Im going to be sanding it all down painting it to look nice!
Maybe a locker. Thinking cable lock
Beefy diff cover
and a sye
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Unread 07-01-2010, 09:55 PM   #15
timatoe
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Quote:
Originally Posted by mikeyford3 View Post
I might have a old open carrier from a 8.8 laying around ill have to check!
It would be the right carrier break too because it was out a 4.10 axle ill let you know tomorrow!
There's not a carrier break on the 8.8 FYI
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