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Old 09-28-2009, 04:49 PM   #16
235frog
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Default Re: Pete's Buildup '73 Scout II

And now the latest is:
And these:
Putting them together took a full 5 hours or so and left me tired and sore.

Now I picked up a rear Dana 70hd with 4.56 gears
The thing is huge!
I later picked up a front full width d44 with 4.56 gears to match the rear. The rear carrier is welded, and I will transfer one of my aussie lockers from the the Scout axles to the full width Dana 44. Still waiting on $$$ for the swap though.
I ended up putting fatmat sound insulation in the hard top, but I stopped taking pictures of stuff for a while now. Details will follow with the axle swap.
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'73 Scout II 345/727/d20
D44, D70HD with 37s

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Old 11-24-2009, 08:09 AM   #17
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Default Re: Pete's Buildup '73 Scout II

Well progress is slow,, but it is happening. I have all the parts for the rear end swap now, and cut out some spring perches. I found that no one makes a spring perch for a Dana 70hd. They have 4" axle tubes so finding ubolts and plates was a pain as well.

I used 2.5" box tube with .25"wall for the perches. I made them 10" long to help with the spring wrap and started drilling out 3 different holes for the spring centering pins before I realized that I only needed two holes since I won't want to ever shorten the wheelbase.

I measured where I needed the spring perches and the angle I wanted for the pinion and tacked the perches on. Now I am just waiting to have them burned in.

Hopefully the whole swap (front and rear) will be done by mid-January.
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'73 Scout II 345/727/d20
D44, D70HD with 37s

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Old 12-04-2009, 01:53 PM   #18
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Default Re: Pete's Buildup '73 Scout II

Since I am going to swap out the rear axle and May have to deal with changing the driveshaft length I decided to swap over to a cv style. So, I went to the pick-and-pull yard today and grabbed a front driveshaft off of a '97 xj to get the cv joint.

Following the directions from here:driveshaft shortening 101 - pirate4x4.com bulletin board
I began to cut the shaft:

After smacking it a bit the joint popped out

And here are the two pieces

Once I get the rear axle under the Scout in the next couple of weeks I'll work on measuring out the driveshaft and attaching the cv.
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'73 Scout II 345/727/d20
D44, D70HD with 37s

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Old 12-21-2009, 02:54 PM   #19
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Default Re: Pete's Buildup '73 Scout II

Well I had the perches burned in over the weekend and the tubes welded to the carrier so I don't have to worry about the 30-year old plug welds holding the tubes in place.


Today I finally found the motivation and time to start swapping out the rear end.

I tried to get both axles in the picture but the Dana 70hd is just too much of a pig to move around. So hopefully you can see the huge difference in size between the two axles, just look at the tubes.

And this is after I bolted the 70 in place. I still need to weld the shock tabs on, put the carrier back in and fill it up with oil, bleed the brakes, and get the rear driveshaft with a cv joint in. It started raining so I called it quits. Here is how it sits now.


It still has the Scout II Dana 44 in the front so it will be parked until I swap in the full-width 44.
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'73 Scout II 345/727/d20
D44, D70HD with 37s

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Old 12-22-2009, 04:24 PM   #20
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Default Re: Pete's Buildup '73 Scout II

Bled the brakes and mounted the shocks up.

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'73 Scout II 345/727/d20
D44, D70HD with 37s

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Old 01-05-2010, 03:52 PM   #21
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Default Re: Pete's Buildup '73 Scout II

Some more progress. I installed the carrier, filled the diff, and sealed it up on the d70. I am now just waiting on the dom tubing to make the tierod and draglink (which should arrive Thursday) and the parts for hydro assist which should also be here before the end of the week.
I picked up the rear driveshaft today. I had the shop re-tube the xj shaft I had since it would have been almost double the amount to mount a cv joint on my current 2.5" shaft.

With the cv shaft I had to install the cv yoke on the t-case that I bought from IHOnly north. Here is a comparison so you can see the difference between a standard ujoint yoke and the cv yoke. Cv yoke on the left. Standard on the right.

Then some pics of it bolted in place.


Yesterday I drilled and tapped my steering box and reassembled it. I put some plugs in it for now and I am debating whether to install it or wait until I add the cooler and ram (for hydro assist) I will probably just wait since I would rather bleed the system only once.

Tomorrow I should install the ball joints and start assembling the front axle.
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'73 Scout II 345/727/d20
D44, D70HD with 37s

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Old 01-07-2010, 08:27 PM   #22
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Default Re: Pete's Buildup '73 Scout II

Start of today's progress on the front axle.

Then some pictures of where I finished up at.


The heavy duty differential cover was a Christmas gift from the wife from RuffStuff. Between ihonlynorth, ruff stuff, and part's Mike I have been getting a ton of packages to try and get this axle swap done before the next wheeling trip.
The hydro-assist parts should show up tomorrow or Monday so I should be seeing the ups guy again.
I haven't mounted the steering arms yet since I need to see if the tierod will clear the springs without a spacer or not. I got some sky manufacturing thick arms so the have a built-in 7/8" spacer. I ended up getting the 4" studs though so in case I need to add a 1/2" or even a 1" spacer I won't have to purchase new hardware. A problem I ran into at the end of the day was trying to mount the 2" wheel spacers (I bought to widen out the front to match the d70 rear) won't let me fit a socket in to tighten the lugnuts. So I need to find some lug nuts that will work. Hopefully with the current studs because I don't want to tear down the axle again just to swap out the studs.
The ups guy showed up as I was working and brought my 1.5" x 1/4" dom for my tierod and draglink. I am using 7/8 thread tre's and draglink ends. Maybe tomorrow I will work on cutting those to length. The whole issue of the spacers has me bummed since that means yet another trip to the parts store.
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'73 Scout II 345/727/d20
D44, D70HD with 37s

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Old 01-08-2010, 02:27 PM   #23
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Default Re: Pete's Buildup '73 Scout II

Cut the tierod and welded the bungs in.


I welded one bung into the draglink but I am waiting to get the axle under the Scout before I cut the end and weld the other bung in.
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'73 Scout II 345/727/d20
D44, D70HD with 37s

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Old 01-16-2010, 08:45 AM   #24
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Default Re: Pete's Buildup '73 Scout II

Well, I thought I should update. I don't have the pictures to post up right now, but the front axle is in, the 2" spacers have been mounted, the tierod and draglink have been installed, the hydraulic lines and ram have been plumbed and bleed. (the ram still hasn't been permanently mounted yet). The brakes need to be bleed some more since the braking is very spongy. Mounting the front axle was way more of a pain than the rear. I don't remember the front axle being so difficult when I did the SOA conversion a couple of years ago, but this time I had the axle completely assembled before I tried to mount it. Last time I just used the bare housing+knuckles and that is the way I should have done it this time.
I still need to mount the ps cooler that showed up yesterday and place the bumpstops. The shock will be used in the interim, but they won't last since they were made for only a 4" lift. The up-travel looks to be fine, but the down-travel with the wider axle will be an issue. I will post some picture up later.
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'73 Scout II 345/727/d20
D44, D70HD with 37s
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Old 01-16-2010, 02:51 PM   #25
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Default Re: Pete's Buildup '73 Scout II

Here are some of the "semi-completed" swap. It started getting too dark and I was tired so I called it a day and left it somewhat together.

Tierod and draglink pictures. I ended up with using a .5" spacer on the steering arms. It was too close to the springs at full droop. I May have gotten away without it, but I wanted to have everything in place anyways in case I ever get around to adding another leaf to the front spring packs.


Here is a picture as seen from the front. You can see that the ram is just being held up by some 550 cord (parachute cord for you non-military types ) the driver-side bushing probably needs to be replaced it started looking how it does after I played on the rock pile at hollister.

A picture of my ram.

Before someone asks, the draglink is mounted at this time, but it is parallel to the tierod so you can't really see it in a straight on view/picture.
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'73 Scout II 345/727/d20
D44, D70HD with 37s

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Old 01-16-2010, 02:55 PM   #26
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Default Re: Pete's Buildup '73 Scout II

And here is a picture of the steering box. I still need to clean up some of the ps fluid that burped out of the reservoir when I bled the system.

I used a drop pitman arm that I had on when I bought the Scout. It had a superlift SUA 4" lift on it so I assume the pitman arm is the superlift arm.

I still need to mount the ram and route the hoses, bleed the brakes some more, try and measure for bumpstops (so I don't smash my oil pan), and see what other random things need to be taken car of.
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'73 Scout II 345/727/d20
D44, D70HD with 37s

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Old 01-17-2010, 07:46 AM   #27
Michael Dimock
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Default Re: Pete's Buildup '73 Scout II

Lookin good!
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Old 01-17-2010, 08:13 AM   #28
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Default Re: Pete's Buildup '73 Scout II

Nice work!
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TPI SBC, 700R4, 203/300, 4.88, Lockers, 35's, Beadlocks, Bobbed, Pinched, Boat Sides, OBA, Hydroboost, Hydro Assist, Rocklights
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Old 01-17-2010, 09:10 AM   #29
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Default Re: Pete's Buildup '73 Scout II

Wow! I actually got some responses! That's a first. Thanks for the comments.
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'73 Scout II 345/727/d20
D44, D70HD with 37s
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Old 01-17-2010, 09:18 AM   #30
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Default Re: Pete's Buildup '73 Scout II

One day I hope mine will look that good. Nice work.
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