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Nice work!! I have a set on my wish list of goodies to purchase when I get back from the sandbox.
Just out of curiosity what size & type of hardware did you design into the knuckles and arms? (metric ARP/Toyota bits or ???)
The other side of the coin is the fact that the OP did ask for feedback. He just needs to realize that the criticism is coming from a very few people, not a majority. You cannot please everyone. You will not be selling your product to every 80 owner.
Throwing the original shim in there and calling it "good" is a head-in-the-sand approach at best. Sure, this isn't rocket science and "close enough" works fine most of the time, but unless you pull the preload cap assembly on and off a several times and try a variety of shim thicknesses to zero in on the correct preload for your particular bearing combination and knuckle ball, you're cutting corners, even if you don't know it. Being able to adjust the preload is an handy feature IMHO, so long as you don't mess with it after high-mileage has worn little grooves in the races. (Since trunion bearing races don't wear evenly, they can't be adjusted for wear.)
The only issue I wonder about is the tiny bit of sideplay created by having an adjustable trunion pin. The factory cap/pin is locked in place by the two bolts through its flange and can't move axially or radially, but a floating pin only loaded axially (the bearing preload) will be able to wobble by the tolerance between the pin and its bore in the steering arm.
On a trail rig this play will be insignificant compared to all the slop in the suspension system, just wondering how it will hold up over time. Could the minor radial movement slowly wallow out the hole and wear the pin, or will a thick grease film provide an adequate cushion? Or are there a pair of perpendicular lock screws that come from the side of the arm to lock the pin in place after the preload is set?
For the record I'm not worried about the pin play, just pointing it out to keep those of you with unbridled OCD awake at night. =^)
the bore in the knuckle is 1/8" longer than a stock knuckle since there is 1/8" of added material up top, so there is more holding it from wobbling, and it is a snug slip fit.
i'm glad you brought this up. you have a very good point, and i have put a lot of thought into this. first off, the pin goes up into the arm 1/4" and is a press fit. the bore in the knuckle is 1/8" longer than a stock knuckle since there is 1/8" of added material up top, so there is more holding it from wobbling, and it is a snug slip fit. there wont be enough movement for it to hurt anything or wear anything prematurely.
let me know what you think, feedback is good.![]()
heat treated chromoly pin inside a ductile iron knuckle bore. i don't forsee any problems with this. only time will tell, and i'll be testing these out thoroughly before product is released. they will be tested, removed, inspected and replaced before i give the final go-ahead.If it's real snug in the knuckle bore that ought to be okay. Only other thought I have is what if the pin does move a bit and wears a shallow groove where contacts the knuckle? (Which is harder metal, the knuckle or the pin?) If a groove develops on the pin, it could prevent preload adjustment unless lined up just right, or make it tough to pull off the arm for maintenance.
Just brainstorming here...no worries. (I'd probably give the bores in my knuckles a bit of a chamfer on both sides with with a Dremel stone 'cuz I have OCD, just in case the pin wears a bit.)
removal of the arm should be no problem at all. if i find that they need some bolts to remove them i will add that later on. i don't see that happening though.Are you going to have some threaded holes through the arm for jack bolts to aid in removing the arm? Or make the arm a bit longer so the tail overhangs the knuckle a bit, so you can get at it with a hammer?
no pics of the machined interface yet, the ones on my rig have a machined interface that is inferior to the ones that will be sold. we'll see how mine holds up.Any chance you could take a pic or two showing the adjuster and how it interfaces with the trunnion bearing? Pics might answer many of the questions as to how your design is better/different.
(TBD, the guy running them on his KOH truck needs to have a full report and pics on the product),.
i dont have all the answers you're loking for just yet, i still need to get an fj80 to fit this stuff on. i will eventually have a panhard relocation kit, which will absolutely be needed. all i can focus on right now is the conversion for mini trucks. i will have some more products for you 80's guys as well, as soon as i can get to it. in the mean time you will have to do some fab work if you want these on your 80 before i have the other parts available.Currently running SLEE Hi-steer have a few questions I didn't see asked/mentioned while reading through (forgive me if i missed them):
1. Running 1.5" tubing, will you have the appropriate clearance between everything:
a. btwn drag link and tierod?
b. btwn drag link and panhard bar?
c. btwn tie rod and front diff if you're running a diff cover/plate?
d. btwn any of the links and the frame support arm?
2. How is the panhard and draglink alignment addressed? they need to be parallel as you know, is there a drop or raise for the panhard bar?
The purpose for these questions are based on the fact that the slee hi-steer does have clearance issues and to have it 100% function and working well at FULL tuck and droop, the panhard and other items need to be modified.
The price is quite fair when you consider the fact that the product is stronger, works better (TBD, the guy running them on his KOH truck needs to have a full report and pics on the product), pretty much plug and play. the Slee required some welding.
there were 3 cars that were going to run them, but i couldn't get them their parts in time. oh well, they'll have them on soon enough for comps this year, then next year they will have them on for KOH. i had my 83 pickup out there and they got a lot of attention. didn't get to wheel much with all that was going on, but i ran chocolate thunder twice and made all the linked rigs on tons and 42's look like noobs.Was it actually run in KOH or was the truck just out there?