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Absolutely agree. Just a comment on current state of spiraling costs

Cost is based on demand not quality. Sometimes they are aligned, sometimes they are not. You get what you pay for is silly. People were buying broncbuster tierod braces (with a square cross section 🤣) for >$300. I am sure these are high quality and no disrespect intended towards the...

Yeah the front/rear balance is kinda off with 400/250 combo. 400/200 should be much better. The 500/200 combo seems ideal and it is pretty easy to adjust preload and get ride height near shock mid stroke. Also keep cg down a bit. Not ideal for 37s tho. Great for 35s. It seems that you are...

Whatever dude.. my door handles have some flair… I am a bit color blind tho. my wife insists they are all a different shade of blue.. 🤦‍♂️

Getting spring rate correct for your vehicle weight can’t be understated.

Eibach 3”x16” 400 lbs/in spring has 9.4” of available travel. Shocks have 5.5” stroke. Assuming 0.5” of hard bump stop at jounce end then conservatively, 9.4 - 5 =4.4 inches of preload max. Call it 4” to be safe. Carrying 1500 lbs on corner in front (stockish) that is 1500*1.6=2,400 lbs to...

Good read. I for one appreciate this detailed post and the time it takes to write this. I don’t even bother with threads that just have video. Don’t even open them. Thanks for your thoughts.

@illverado EDIT. Correction to be more concise. Under static loads. As far as the ball joints are concerned, their reaction forces are dictated by the scrub radius moment arm and they don’t care where the wheel bearing is located. Wheel/knuckle acts as a rigid body. As far as the wheel...

Of course. My comments were not about your post but more general. Your analysis of the bearing moments is accurate just not complete. The applied moments are the force (normal force acting on tire contact patch centroid) times a moment arm. The full moment arm distance needs to include the...

I doubt this. Wheel offset and scrub radius dictate the bending moments applied to the wheel bearings so that is really the main point. Curious if @Ducati1098 has seen many wheel bearing failures on stock wheels.

Lots of strange and conflicting information in this thread. 9” wide wheels have a center line at 4.5” from edge. So 5” backspacing has a positive 12.7 mm offset (1/2”). That is not super aggressive. Not even negative. The pic does seem to show a negative offset but hard to tell. No idea where...

Even more so with the significant motion ratio you have put on your trailing arms.

25.4 mm/inch

Just to be crystal clear. I am NOT anti portal. We all know suspension lifts have advantages allowing bigger tires and more clearance. We all also know they can’t be extrapolated or unbounded without issues. As lift increases there are diminishing returns. Nothing is free. A portal lift is no...

You will not need new UCAs if only doing a 1” suspension lift. You should not have any issues with alignment.

Exactly this. The distinction between loading and response is necessary. For the scenario of interest, body rotations in the for-aft and up-down plane must be considered. So pitch motions. The loading occurs from traction forces at the tire/ground interface generated by torque at the wheel...

Hey now… tone it down a bit.. purposeful machining tolerances of +1/4” and -0” gives you that extra needed thread engagement.

Question for @5GENIDN. Three significant figures on gear ratios seems silly. Surely there are machining tolerances and gear engagement tolerances that stack up. Can there realistically be any significant binding with a <1% difference front to back?

And I thought I had long posts….. Just kidding. Awesome write up. Very informative.

Indeed. Except maybe 3.1” wheel spacers. 🤣