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86-95 Trucks & 4Runners 2nd/3rd gen pickups, and 1st/2nd gen 4Runners with IFS

Stock Ride Height?

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Old Sep 22, 2017 | 09:50 PM
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Stock Ride Height?

My front tires are off by 1/2" or so and I would like to get them even. Does anyone know what the stock ride height (with stock tires at 225/75/15) is for a 1990 4Runner/22re and where to measure?
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Old Sep 23, 2017 | 07:18 AM
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I'd like to know too as the DPO turned up the T bars on my 4runner.
My guess would be to measure from the center hub to the fender.
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Old Sep 23, 2017 | 08:13 AM
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Yea thats another reason why I want to get them back to stock. My ride is very bumpy and harsh. Not much flex at all in the front end.
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Old Sep 23, 2017 | 08:59 AM
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Ride Height adjustment:
http://web.archive.org/web/201102060...axle/2-4wd.pdf
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Old Sep 23, 2017 | 10:29 AM
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Originally Posted by scope103

Thanks for posting that. I wonder how accurate that pic is of what the actual ride height is. Looks like the lca is just about parallel to the ground ( someone told me thats a nono) and the bump stop has barely any clearance.

Last edited by mattyboi; Sep 23, 2017 at 10:32 AM.
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Old Sep 23, 2017 | 10:42 AM
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I have no idea how "accurate" the drawing is.

But if you have to choose between "someone told me" and the Factory Service Manual ....
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Old Sep 23, 2017 | 02:18 PM
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OOPS. Sorry... responded to wrong thread. LOL!

Last edited by RAD4Runner; Oct 4, 2017 at 12:09 PM.
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Old Oct 4, 2017 | 09:04 AM
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I have an extensive write up on this topic. For the Hi-Trac IFS you are looking at roughly 11.2" from the center of the lower control arm camber bolt in the front center to the ground on a 225/75 r15 @ 26psi.

This equals 13.5" from top of 15" wheel to fender lip in the front, regardless of tire size. adjust for 13.5".

When you adjust you must be on totally level ground, and you must lift the rear tires slightly off the ground by the center of the rear axle. This creates a three points of contact triangle that allows the IFS to self level without the influence of the rear springs. Each time you adjust you need to roll the suspension forward and backwards to let the tires move inward (if adjusting up) or outward (if adjusting down) to get the correct reading. Adjust again, roll again, adjust again, roll again.

1 full turn of the torsion bar bolt is USUALLY a quarter of an inch.

Last edited by 89fourrunner; Oct 4, 2017 at 09:08 AM.
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Old Oct 4, 2017 | 10:29 AM
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Originally Posted by 89fourrunner
I have an extensive write up on this topic. For the Hi-Trac IFS you are looking at roughly 11.2" from the center of the lower control arm camber bolt in the front center to the ground on a 225/75 r15 @ 26psi.

This equals 13.5" from top of 15" wheel to fender lip in the front, regardless of tire size. adjust for 13.5".

When you adjust you must be on totally level ground, and you must lift the rear tires slightly off the ground by the center of the rear axle. This creates a three points of contact triangle that allows the IFS to self level without the influence of the rear springs. Each time you adjust you need to roll the suspension forward and backwards to let the tires move inward (if adjusting up) or outward (if adjusting down) to get the correct reading. Adjust again, roll again, adjust again, roll again.

1 full turn of the torsion bar bolt is USUALLY a quarter of an inch.
Thanks for sharing that! I did as the fsm said and there was barely any clearance between the lca and bumpstop.

I actually ended up eye balling it to roughly 13.5" because it just looked right lol But i'll do it again as you described since I know my rear springs are sagging and my tire psi probably wasnt spot on either.
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