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So I'm one of those engineers that need a reason. 'Drives the best' or 'is best' are just words to me. I'd like to actually understand what the technical reason is. There are millions of dollars that go into engineering of any vehicle, and they come up with what they do through a scientific process. Toyota took a American straight 6 engine design and made it even better. I have to assume that angle is set up for some reason. When you change it I do know you can have uncorrectable tire wear, but I'd be more concerned about what's going on with the birfields and the pressures put on the trunnions.

Do you know the technical reason? I guess I should do some research.
Going from +1 to +3 or +5 makes it harder to steer, but increases high speed stability. It is true that my rig does take some concentration on the freeway, but it's also true that there are times I'm glad it's not harder to turn, and I don't even want to think about loosing power steering. if it wasn't such a PITA to rotate the axle, I'd try turning mine a few more degrees and see if the effect is worth it.

I like facts, not theories so here goes.

Facts:

1. Toyota designed/built castor @ 1* based on a very specific platform (as you so wisely state) stock suspension, tires, weight, among other variables to be sure.
2. SOA is a drastic change form how Toyota originally engineered the system

Thus, is it not logical to re-think what was done at the factory? That's like bolting on turbo and not thinking about the engine internal components.

Your desire to defend the work you have done is understandable... I do it too. But you are outnumbered by many years of real world experience. Just check the search button if you don't believe me.

P.S. What do engineers use for birth control?...Their personalities.

Had to.
 
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I like facts, not theories so here goes.

Facts:

1. Toyota designed/built castor @ 1* based on a very specific platform (as you so wisely state) stock suspension, tires, weight, among other variables to be sure.
2. SOA is a drastic change form how Toyota originally engineered the system

Thus, is it not logical to re-think what was done at the factory? That's like bolting on turbo and not thinking about the engine internal components.

Your desire to defend the work you have done is understandable... I do it too. But you are outnumbered by many years of real world experience. Just check the search button if you don't believe me.

P.S. What do engineers use for birth control?...Their personalities.

Had to.
I've no desire to 'defend my work' - that's laughable for me. It is logical to rethink what was done at the factory, so much so I'm considering doing a +4/+5 C&T to compare, however all I hear so far from you is emotion and vague references. I grew up on a working farm, rebuilding tractors when I was 12 with what was on hand - I understand real world experience, however some things we did caused failures elsewhere because we were ignorant of the engineering behind it. Then I got a degree, and I find very few actually understand why they do things besides 'it's just the way we do it'. For some, that's all they need, but I hate doing something when I have no idea why. There's no point to discussing this further.
P.S. You know why is it better to have a wife AND a mistress? Because they both think you're out with the other one and can go to the lab and get some work done.
 
Reading through your thread. I operate at a much lower quality level than you do! Regardless, awesome sir. :clap:
Your welds look a lot nicer than mine, and having a lathe and mill sorta tips the scales. I spend way too much time fabricating and not enough on the trail.
 
Your welds look a lot nicer than mine, and having a lathe and mill sorta tips the scales. I spend way too much time fabricating and not enough on the trail.

Thanks man! That means a lot.. to be honest it was the 2nd bead I've laid down since about 98 when I was a metal sculpture major. Up until then I had never done any welding other than stick. The wire feed is really nice and to be honest I've never NOT hammered slag off of a weld, so the lack of gas seems totally normal to me.

What kind of engineer are you? structural, mechanical?
 
I've no desire to 'defend my work' - that's laughable for me. It is logical to rethink what was done at the factory, so much so I'm considering doing a +4/+5 C&T to compare, however all I hear so far from you is emotion and vague references. I grew up on a working farm, rebuilding tractors when I was 12 with what was on hand - I understand real world experience, however some things we did caused failures elsewhere because we were ignorant of the engineering behind it. Then I got a degree, and I find very few actually understand why they do things besides 'it's just the way we do it'. For some, that's all they need, but I hate doing something when I have no idea why. There's no point to discussing this further.
P.S. You know why is it better to have a wife AND a mistress? Because they both think you're out with the other one and can go to the lab and get some work done.

I hate it when we fight.
 
What kind of engineer are you? structural, mechanical?
I'm not sure what kind...I started out as a EE designing embedded systems (think palm pilot), then started developing software. Wished I'd gotten more education in ME. Professionally, I get paid for electronic, software, and mechanical design. I often get work from folks who have malfunctioning hardware and they want me to fix it in software, which is when I pull out one of my oscilloscopes and it just goes downhill from there.

I still use a stick, but I've got a TIG that I use an awful lot, and I'm with you on the slag - it is SUCH a pain, and unlike you, I ain't never been educated at the end of a welding machine. I have managed to patch some rusted out body panels with that TIG. I used to braze a lot, so TIG is right down my alley.
 
I hate it when we fight.
I hardly ever get drawn into these things. Maybe it's the lack of sleep, or I had a loose screw.
 
You should change your username to "rickrocket P.E." just so everyone knows you are above them :lol:...

I work with some engineers... many of them are freaking morons.

You bragging about a mistress? really? :clap: Hope you and your wife feel good about that...

I'll quit trolling you now, because everyone (including yourself apparently) knows you're wrong about the tech.

No hard feelings. Cheers to a fellow cruiserhead!
 
You bragging about a mistress? really? :clap: Hope you and your wife feel good about that...
Dude, it's a joke about engineers being more interested in geeky things than females.
 
Farz,
One of the things I've discovered on these FJ60s is that the body putty often leaks where the gas filler is, and all that goes down and eventually rusts out that rear quarter panel.You should see evidence of the filler leaking from the streaks on the inside.

While you are working on the beast, you might think about dumping a bunch of undercoating into both sides at the back. If you take the back tail light assembly out, you can get to bits you can't otherwise. It also will help to spray as best you can over the fender well next to the back seats.

Other places are where the fender well meets the quarter panel on the front, and in the bottom of the tailgate - I have two that are rusted there.

You are obviously aiming for the pinch weld seam, and you really want it to flow down into the the tiny space between them, so it helps if the metal is hot, and you use the 'cheap' undercoating that is kind of tar based.

Just thought I'd throw that out.
 
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Oh the joys of bushing replacement... I have to change my front springs out in the near future.. CAN'T WAIT!

J
Uhhhhggg. No mas.
my reaction to everything that doesn't come apart like it should

The rain made me even more angry at these things. I've had enough of this weird Seattle like weather and I'm ready for more blue skies and high desert dryness!
 
At least your house isn't burning like two years ago. My mother is in the sub that burned badly and my sister is in Peregrin. Pretty exciting times for them. And, hey, 24 isn't washing cars down like last year!
Got these damned shackle pins out--- killing it with fire.by farz_fj60, on Flickr

I found a great way to remove them....and now I can't remember what I did. I had 6 axles out at one time....
4inarow-sm.webp


See how easy your job is - just two axles!
 
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Ok, got some more done. I've been waiting on my buddy to pull his 3rd members so I could get them prepped for my 60 axle. The Diff's are coming out of a 40. Anyway, instead of pulling the 1st of the 2 diffs for me, he was nice enough to bring the whole axle so I could get them out myself. Of course be brought the rear first- so, guess who had the pleasure of dealing with removing c-clips around around this dumb locker? This guy. Anyway, I was happy to do it, getting a sweat deal on these. 4.88's and lunchbox's x2.

013b11956893be699db82ce33750918475a016e3ce by farz_fj60, on Flickr

He apparently had bent an axle shaft!

017176acc2ee75aac8995bfb60e6d64c5c2e13d42d by farz_fj60, on Flickr

Started breaking MY rear down to drop in the new and improved diff.

01f39626ac769d8f55ce6d6a025d76294b72a1cf0e by farz_fj60, on Flickr

010e4c25c98498446e6ad536d6496b625d1d1da22c by farz_fj60, on Flickr

So much easier working inside of here with just spider gears as opposed to the locker.

010801636fe75fde47966a47b3e48424ed89e75f64 by farz_fj60, on Flickr

and done.

01affb7da0e521b6e7f940b4d95bbdee158ef890ee by farz_fj60, on Flickr

Started to get the front axle shoved underneath the springs, gotta do some more trimming on the diff perch though.

I'll try to get some better pictures tomorrow.

018842c213e7933886e7040a86d7644ee652e89a29 by farz_fj60, on Flickr
 
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