Coils on an 86 truck

Junkers88 · 10-20-2008, 02:54 PM

This is my first write up so go easy on the jokes.

These are the coils I got off of ebay. They are 14" tall at set at 100lbs. The plates are pure ZUK customs. There is a top and a bottom, the bottom one has a hole in it for the spring pack retaining bolt thingy and the top comes predrilled for two self taping bolts. The bolts were only on long enough to get over to the MIG.

First measurement. Although the tape is a little off it actually measured out at 11 1/4 inches. It was just hard to hold it in place and snap a photo.

Ok the first thing you don't want to do is have the rig fall off the jacks and jack stands. No harm done other than bending the backing plates a little.

Pull off the rubber thingy (in my hand) and replace it with the lower mount.

Cut the top mounts out with a saws all or a grinder, grind the mounting surface flat and install. I didn't even need a compression tool for these. I just mooshed them with my hands and put them in. Be sure to put the top mount into the spring and then slide it under the frame. If you mount the top mount first it's going to suck getting the coil in there. I actually took this one back off and adjusted it a little before taking it to get welded.

Both sides are now done and we need to take a measurement to see what, if any, lift we got out of it. That shows 14" when the tape is held properly. So we got what 2 3/4 inches of lift? Since the back was a little low anyway I can now put in some 1 1/2" BJ spacers and it'll be level.

Last photo before I went and welded the mounts to the frame. Not too bad if I do say so myself.

The first test drive was amazing. Since the spring packs are no longer sitting on the overloads and completely flat the rear end doesn't bounce around at all. All told it was done and I was drinking beer in about 4 hours. This includes a trip to the store for blades and a long trip into town to the MIG.

Thanks ZUK for all the help and the mounts.

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