Builds Stretched 1-Ton FJ40 (67 Viewers)

[DangerNoodle]

How long are your lowers from eye to eye?

27 and something, I think. It's somewhere in my build thread.

 

[Mike Shull]

27 and something, I think. It's somewhere in my build thread.

I found it and here is a link for future reference: Builds - 1976 FJ40 Wheeler Build - https://forum.ih8mud.com/threads/1976-fj40-wheeler-build.1174820/post-13332550

Unless you shortened them later on, does 35" upper and 38.75" lower sound right?

 

[Mike Shull]

...disregard the above post. I see later on where @DangerNoodle shortened his upper to 27.25".

 

[matzell]

I do not think it matters too much on inboarding them, I would put them under the frame for strength. I think you will be fine.

 

[Mike Shull]

Has anyone used the updated 2016 version of the Triaged link calculator? It has the front and rear in one file and the results are significantly different.

 

[DangerNoodle]

Has anyone used the updated 2016 version of the Triaged link calculator? It has the front and rear in one file and the results are significantly different. My anti-dive (93%) and anti-squat (86%) figures from the 2005 version are nowhere close to that of the 2016 version (21% and 30% respectively). Am I not reading the 2016 diagram appropriately?

View attachment 2939726

I have, and I did notice that. I think it may be a combination of the anti-lift and anti-dive, but I'm not 100% sure. May want to double-check your inputs as well, but I'm assuming you have already done that.

 

[Mike Shull]

I’m still looking for an answer and I’ll report back when I find something. I did double check my data and I bet that I’m not reading the outputs correctly. No big hurry over here.

 

[Mike Shull]

Has anyone used the updated 2016 version of the Triaged link calculator? It has the front and rear in one file and the results are significantly different.

Update: The 2016 version that I found of the original Triaged Calculator was edited by Bush65 (Pirate4x4 name). According to the revision notes, he added calculations for front drive and brake bias, which when set to zero seem to mimic calculations from previous versions of the document. My calculations in the above screenshot are not correct so I will delete that picture so it doesn't confuse anybody who might stumble across it.

I'm moving on to other things as I am happy with my mockup. I'll post the final outputs here once I have the suspension tack welded, which won't be until April/May. I'm taking a break from the Cruiser for a bit.

 

[Mike Shull]

I started working on the Cruiser again. The rear leaf springs and mounts have been removed and it’s ready for the truss.

 

[Mike Shull]

I made some more progress this weekend. I’m glad that @DangerNoodle talked me into doing the rear suspension now.

The uppers on the rear are going to be 36” in length. The lowers will be somewhere between 40-42” to clear the rear driveshaft.

I learned that this pinion is about one inch off center so I adjusted the upper tower so that it would fit centered on the axle.

 

[Firemedic831]

looking good

 

[Mike Shull]

Can someone please take a picture of what the body looks like in this area? I want a general reference point for when I weld my shock tower on. I am planning on cutting the body to fit the tower. I just need to know what the body mount area looks like.

 

[Firemedic831]

This help

 

[Mike Shull]

Thanks @Firemedic831! Yes, this is a big help and it looks like I have a lot of room to move things around. Thank you.

 

[ceylonfj40nut]

Axle truss reminds me of robo cop. What ya climbing with those?

 

[Mike Shull]

Axle truss reminds me of robo cop. What ya climbing with those?

Thanks, I think . I’m not sure where I will take it first. It’s been at least 5 years since I’ve had it in Moab.

 

[Mike Shull]

The upper links are tacked in. They seem a bit long so I’ll have another look after I get the lower crossmember mount made.

 

[Mike Shull]

I hope that the driveshaft doesn’t hit the lower mount. . I might have to order a shaft before I finish welding.

 

[matzell]

Put a cv on the driveshaft and it should push it out enough to clear. Neapco makes a 1410 that will run at 30 deg.

 

[Mike Shull]

Could someone please put an angle finder on their frame and let me know if the center section on your Cruiser is level?