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Old 01-02-2018, 01:41 PM   #3
Keith Seymore
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Join Date: May 2009
Location: Motor City
Posts: 9,149
Re: 1987 K5 Sierra Classic

Very nice -

Quote:
Pretty much eliminated the steering problem. First and foremost, removed the ridiculous oversized 32x11.50x15 Goodrich's and went back to stock size. Now the speedo is correct. Went through the suspension replacing worn tie rod ends, drag link and steering box. Swapped rag joint for borgeson extreme duty double u joint intermediate shaft. Aligned it and added extra 1/8" toe. Still want to replace the front springs and shackles and sway bar mounts but its a pleasure to drive now. Tramlining is all but eliminated.
There are a couple more easy things you can do:

I can't tell from the photo but if you have the two leaf front spring pack you can upgrade to the three leaf front spring; that will tighten up the front end a bit and minimize the axle windup associated with braking (which will help it to stop straighter and/or minimize feedback into the steering wheel).

Also - run as much caster as you can stomach: like 10 degrees or so. That will help with on-center stability in a straight line.

K
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