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Nealinator's budget custom coilovers

My adventures in making my new Bilstein 5100's my own

Nealinator's budget custom coilovers

Postby nealinator [OP] » Apr 21 2018, 1:52pm

Ok...that was my teaser title to get your attention...haha...

I have been wanting to upgrade my shocks for a while now. About 3 years ago, shortly after purchasing the truck...I purchased some OEM Rancho shocks and installed them. I was happy with the improvement from the worn ones that were on there, but after hearing much about the Bilstein 5100's I wanted to give them a try. Got a full set for front and rear for a decent price and worked on installing the fronts yesterday.

Along with this, I had purchased a set of struts off of a member and was going to use the newer parts to refresh my struts a bit.

I will give a before and after then go into some more detail.

Before:
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After:
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I like how these turned out. Painting the spring was just sort of a fun twist I thought I would add to dress them up a little.

The take off shocks I had gotten came off a 2015 silverado. I was unsure of what difference the may have from the nnbs truck shocks since they had different numbers. Here is a shot side by side and you can immediately see some differences:
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The location of the lower spring mount on the body is a different height on the new shocks. The shaft is a bit longer and has a longer threaded section.

Secondly there are big differences in the upper mount:
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Additionally the upper shock bump stop was longer on the newer one. I tried to use it but could not get the shaft to push up through to get the upper bolt on...so took it back apart and reused my old ones.
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The newer style on the left have a much taller central mount location making the shorter thread a concern using with an older style shock. After discovering this, I ended up reusing my old ones...but the spring seat and boot along with the plastic upper spring seat were the same and reused.

After I got the old shock off one side, I used the weight of the truck to dis-assemble the strut assemblies I had bought.
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Then I got after prepping and painting the springs.

First I sanding them down good then wiped them down with alcohol.
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Sprayed them with some self etching primer
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Then started applying the GM DE 1608 high temp ceramic blue I had:
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Got the ring height settings moved and transferred over the lower spring mounts. Here is where I maybe added some height from the set up I had before. The lower mounts from the previous picture lift the bottom of the spring some from the older location.
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About ready to install
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Pics of final result:
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Hopefully get to the rears today. Ran over my time I had and went to the NHRA drag races with my son yesterday evening.
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Nealinator's 5.3L 4x4 Z71 All Terrain   185,275 miles
AMP Power Steps - Retrax Pro Cover - Terra Grappler G2 - Airaid MIT - Mobil 1
Borla Exhaust - Eonon GA7180 - Custom Catch Can - Bilstein 5100's - $ Cost $ - DiabLew Tune
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Re: Nealinator's budget custom coilovers

Postby ferraiolo1 » Apr 21 2018, 1:55pm

Nice work.

Did you buy the 5100s for your year truck or for the 2015 to get some extra height?


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Re: Nealinator's budget custom coilovers

Postby nealinator [OP] » Apr 21 2018, 2:01pm

I bought for my year. Ended up with some additional height due to lower spring mount difference and possibly the upper rubber seat/boot thickness. My old ones were thinner I think...but completely shot.

The springs themselves seemed to be identical for the most part...height wise.

I may go back and drop the 5100's down a notch or two. I need to take some measurements again. I did it fast last night scrambling to put things away and get cleaned up to go to the drag race. Front was up but I dont recall the exact measurements. And I still have some side to side differences. I am thinking that the rear could be throwing off the front if they are uneven? I plan to test that and jack up and level the rear and see where the front sits after that...
Last edited by nealinator on Apr 21 2018, 2:06pm, edited 1 time in total.
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Nealinator's 5.3L 4x4 Z71 All Terrain   185,275 miles
AMP Power Steps - Retrax Pro Cover - Terra Grappler G2 - Airaid MIT - Mobil 1
Borla Exhaust - Eonon GA7180 - Custom Catch Can - Bilstein 5100's - $ Cost $ - DiabLew Tune
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Re: Nealinator's budget custom coilovers

Postby tsuintx » Apr 21 2018, 2:03pm

Nice job and good pics, as usual, Neal.
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Re: Nealinator's budget custom coilovers

Postby ferraiolo1 » Apr 21 2018, 2:05pm

You would need to drive it for a few miles and let everything setting before determining that. My front settled about 1in after driving it.

Rear shocks at least will only take about 30min


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Re: Nealinator's budget custom coilovers

Postby nealinator [OP] » Apr 21 2018, 2:07pm

Well drove it about 110 miles or so last night to Baytown for the race...so I will re-check this am sometime.
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Nealinator's 5.3L 4x4 Z71 All Terrain   185,275 miles
AMP Power Steps - Retrax Pro Cover - Terra Grappler G2 - Airaid MIT - Mobil 1
Borla Exhaust - Eonon GA7180 - Custom Catch Can - Bilstein 5100's - $ Cost $ - DiabLew Tune
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Re: Nealinator's budget custom coilovers

Postby JLarsen45 » Apr 21 2018, 2:11pm

Nice color choice on them


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Re: Nealinator's budget custom coilovers

Postby boomerangg22 » Apr 21 2018, 3:11pm

Looking good Neal.
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Re: Nealinator's budget custom coilovers

Postby Hoagie90 » Apr 21 2018, 3:27pm

Freaking imgur images never show up on the work computer.

Those look good Neal! I have to stop look at your build thread and other individual mod threads. Always giving me more reasons to spend money that I don't have :lol: :lol: :lol:
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Re: Nealinator's budget custom coilovers

Postby NARDA1 » Apr 21 2018, 3:43pm

Great job!
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