84-85 Trucks & 4Runners 2nd gen pickups and 1st gen 4Runners with solid front axles

1984 4x4 pickup suspension HELP

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Old 02-17-2018, 07:04 PM
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Exclamation 1984 4x4 pickup suspension HELP

Sorry for making new thread, I'm sure the information is here somewhere I just cant find it..
I plan on lifting my truck 7" and putting 35" tires on it. I'm ready to pull the trigger on a 7" RC lift but I need to know what I'm going to run into.
Has anyone used this kit from rough country T307PKS? ( https://www.summitracing.com/parts/sja-t307pks )
Am I going to need longer drive shafts?
Is it going to death wobble without additional steering stabilizers?
Will I need to extend brake lines?
Will I need to change/modify any of the steering components?
Is there a better option?
I am also ordering 5.29 gears
P.S: I'm waiting up at my computer for any replies so please dont be shy, I'm hanging by the edge of my seat waiting for more input before I click buy!
Old 02-27-2018, 12:42 PM
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Pump the brakes. What are you going to use it for first of all?

Why 7"?
Why not 6" or 4?
You should be able to run 35's with a 4".
Serious questions.

Anything around 4" or more will need driveshaft lengthening and shimming. You probably want to look at a Crossover steering upgrade. Also probably V6 rotors and calipers up front and a 1" master cylinder upgrade. Extended brake lines are a must. Also if your going to do it i would go through the front and rear end wheel bearings at a minimum. Lots of added stress with those oversized tires.

This is a start.
Old 07-26-2018, 12:20 PM
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Late response here, but don't forget to adjust the proportioning valve for the rear brakes
Old 08-06-2018, 07:36 PM
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I just bought a 4runner on 35s. The thing can barely brake. My first upgrades are in the works and include front v6 calipers and rotors, rear disc brakes, 1" master cylinder and new proportioning valve.
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