85 2wd C&C Dump 4x4 Conversion

[Gary Lewis]

[bp17oang]

Have started working on the rear situation too.  This was taken before I got the 4" tapered blocks and U-bolts which are in on this side now.  I am waiting on a shackle for the other side.

[ArdWrknTrk]

I know the output shafts both differ, 1345 -> 1356.
I can't imagine a New Process TC has any parts that interchange with Borg Warner.

[bp17oang]

To be clear I am referring to specifically to the end yokes, not the output shafts.

My theory and what I'm being told is while the output shafts might be different between any of the three of those as far as length or other aspects the splines and diameter might not be.

[bp17oang]

And if there is some reason why this new process end yoke will not work I'm going to be extremely curious to see what measurement or aspect of it is that it will make it not work because everything I have checked indicates it is the same. Spline length, inside diameter (both from inside of groove and top of spline), center line to end, all appear to be exactly the same. As I noted the only thing I've found that is slightly off perhaps is the seal grind diameter. And to be honest that seems like it might be within the margin of error of measuring with a caliper.

And like I said the guy that I bought it from took the yoke out and slid it on the front output shaft on an existing BW 1345. Now granted he's just telling me that he did that but that's all I know at this point.

[ArdWrknTrk]

I'm very glad you've found a place that has the knowledge and wherewithal to check a part fit before saying "yes"

Yeah, I didn't get it that you were only asking about yokes and not the output.

Spicer is the source for all of this, ultimately.

[bp17oang]

Got the springs and blocks in. Used 4" tapered blocks on the rear. Appears to be pretty close to level unloaded. Close enough for me anyhow!

Transfer case yoke should be here today 🤞

[Gary Lewis]

Looking good!  Progress is good!

[bp17oang]

Yessir! I must admit it's nice to actually see it level (without being on jack stands anyhow). Funny how working on a truck that's six inches lower in the back can mess with your mind.

One thing I wouldn't mind getting some thoughts on is that on the rear, on both sides, the rear section of the helper is about a 1/2" from the support hanger while the front is about 1.5" from it's hanger. Took me a minute to wrap my head around why, but it must be bc of the tapered block. Would anyone find that concerning?

I have thought about how to "correct" it and I've come up with these options: 1) move the brackets on the frame, 2) take the blocks out that the helpers sit on and have them machined with a counter-taper, 3) shim the front of the block to rise the front of the helpers.

Maybe I'm overthinking this too... It's happened before

[ArdWrknTrk]

Do you have a picture, showing the blocks and how the helpers sit?
I've only ever seen the factory 350 4X4 4" blocks, and they didn't seem to pitch the helpers like that.

It must be a great feeling, knowing there is light at the end of your driveline situation.  

[bp17oang]

Rear




Front







Block

And yes, it does feel good for sure. At least it's getting close to being a functional truck. I dropped off my driveshafts yesterday as well. He can make a rear one out of my multiple pieces and I'm having him replace the joints in the cardan while it's out.

[ArdWrknTrk]

10 stack plus 3 helpers?!?!
Should be a nice progressive spring rate.  

I don't think anything of having the helper closer at the rear.
It might point the pinion up a bit with a load, but it also might help combat spring wrap.

[bp17oang]

12 + 4 actually. Total spring rating of 11500 lbs. Should ride like a caddie!! 😂

Okay I was trying not to lose sleep over those hangers being like that. I guess the main thing I was thinking about was driving down the road and that helper beating off the bracket. But honestly how would that be any different than if it were loaded and sitting on the helpers and bouncing up and down

[bp17oang]

Ahhh what a relief to have this bad boy!

[Gary Lewis]

Yippee!!!!  

[bp17oang]

Importance of rear sway bar assembly on a dually with 16 leaf springs?   If I am going to use it I will need links and mounts that bolt to the frame (2wd are different).


[EDIT] Actually... since I moved it out of the shop I keep forgetting I have a 4X4 chassis sitting outside.  Duh.  Those mounts might work off of it.  

[Gary Lewis]

Unless you are going to be carrying weight up high, like a camper, I don't think the sway bars are important at all.  I disconnected them on Big Blue soon after getting the truck and that improved the ride quite a bit.  And when I put the D60 in I didn't add that sway bar.  So I'm running w/o sway bars and don't seem to have any problems.

[bp17oang]

Thanks Gary.

[bp17oang]

Getting to the point where I'm going to have start sorting out my wiring!!!

[Gary Lewis]

Yes!  Install them and see if it'll move.